Spc121 - Stinger Digital 1 Farad PRO Electrolytic Capacitor

• 18V-20V Surge
• For Systems Up To 1000 Watts
• Louder & Clearer Bass Response
• Monitor System Voltage
• Stabilizes Battery Voltage

this capacitor is pretty much just a big piece of junk with a bunch of lights Ive noticed that about most stinger products they look flashy but aren't really functional all there stuff seems cheaply made in my opinion im running a 500 rms watt sub and amp with this capacitor and when the bass hits hard my lights definitely dim pretty bad. i hooked it up just like the directions said and charged it properly. I just dont think its a good product

Battery Disconnect Switch with Key

I wanted a cost-effective way to turn off my battery power to my RV, and this seemed to fit the bill. I especially liked the fact that it has a weather cover when the key is not inserted, and when it was, the boot also kept the weather out.

Well I drilled the necessary holes in the battery box cover and made the installation, hooking up the battery leads last and then installing the cover back onto the battery box. That was it! Works beautifully. I put a keep string to tie the key on to the RV when it is being used, as I don't want to risk losing the key.

Product came in quickly and is doing its job but not without an issue. When I initially installed it, it would not cut the power off to my RV. After breaking the nuts loose to take it out I decided to check one last time and it was working. Re-tightened the nuts was not working again. Apparently, if you "over-tighten the nuts it will cause this to malfunction and not cut the power off as it should. Not sure why but, this was my experience.

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I have a 25 hp outboard that was permitting a small current to drain the battery in a couple of weeks. This switch handled the starting current, and solved the problem.

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HTC Original Smart Car Kit for HTC Thunderbolt (Retail Packaging)

I don't often leave one star reviews, but this product deserves it. Flimsy cradle, hard to get phone in and out, very limited range of adjustment. Most car cradles allow flexible adjustment and then you simply tighten the adjustment screws to secure in your preferred position. Instead, this one allows only a very limited range of motion (you can spin in circles, but arm angle is fixed except for a little indentation in one position), and then when you have it where you want it... there is no way to tighten it! I returned it because no matter what I did, it was too loose and moved around as I tried to use the phone. The $10 OEM cradle is much better, the only reason I bought this one was to fit my extended battery, but for 3.5x the price it is inferior in every way.

Very Flimsy, cheap. I suggest the Igrip instead. I bought this because I bought a hard case for my phone and it won't fit into the Igrip with it on. Neither does this.

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There are many products out there with the same intended purpose as this one, but none do it quite as well as this one. It's quite obvious that HTC put a lot of thought into exactly how this fits into the cradle and hold it extremely securely--even while going over bumps. I had looked at many other company's versions of this product and this one was the best in every way!

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While I wish that the Thunderbolt had charging connectors instead of having to solely rely on the micro USB port, the dock works well. The phone is annoying to get in and out, especially if using the extended battery like I am. But when it's docked, it is secure and is very handy.

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Isound Isound-4590 Portable Power Max Travel Pack

• Model_Number - ISOUND-4590
• Depth - 8.90
• Height - 2.30
• Width - 5.90
• Weight - 1.7500

During the Sandy storm we lost power, my son loaned me his power pack which saved us; we were able to charge our cell phones and ipads etc' These small things do big jobs so i purchased my own.

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It is excelent source of USB power any where I go alone, with friends or with the family in the car, camp or plain

CAR CHARGER ADAPTER for Garmin RINO 530HCX 530 (ROUND POWER TIP CONNECTOR -USE WITH THE BATTERY CLI

• SUPER FAST SHIPPING ++ITEMS ARE 100% FULLY TEST 100% FULL MONEY BACK GUARANTEE
• Smart Fuse protection from sudden power surge
• USE WITH THE BATTERY CLIP CHARGER ADAPTERTHE ROUND POWER JACKIS LOCATETHERE
• 12 MONTHS WARRANTY EXCHANGE

this product is as streamlined as can be expected and seems to work very well in the vehicle. Price was reasonable, quality seems good, time will tell.

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Unit shipped fast... works as described... not a bad value for the dollar... best feature was availability when finding one locally was unsuccessful

Gomadic Intelligent Compact Car / Auto DC Charger for the Garmin Nuvi 680 - 2A / 10W power at half

• Intelligent circuit provides precise output voltage and resistor configuration specific to the Garmin Nuvi 680. This ensures battery is safely and efficiently charged without affecting battery longevity.
• Gomadic TipExchange Technology protects your investment by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Garmin Nuvi 680) included with additional tips sold separately)
• Charger provides a full 10W (2,000mAh) of available current in a small form factor a little over 1 inch long. Flexible, straight cable measure 50 inches in total length.
• Generous input voltage range of 12-24VDC, supports a wide variety of DC charging ports from cars and trucks (both foreign and domestic) to boats, planes and RVs.
• Built using high quality capacitors and circuit components to ensure that charging current does not interfere with FM radio transmissions. Rigorous Q&A process.

Well, I took my Garmin 680 car power charger (with the Garmin of course) on a motor trip and shortly after leaving town the Power Charger fell apart in my cigarette lighter, breaking the cigarette lighter. The Toyota dealer said that one should never use the cigarette lighter to power other electronic devices--that one should use the car's power charger for that. Not all cars have additional power outlets---mine does. I was unable to find a replacment in any store so now must purchase one online. To make matters worse, I purchased the MS program that now cannot be used because it "reads" through the Garmin car the power charger. Fortunately, I found an adaptor that would power in my car using the wall plug. The Microsoft service, however, will have to wait until I can get another Garmin Car power plug.

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Schumacher PSJ-4424 DSR ProSeries 4400 Peak Amps Jump Starter and Portable Power Unit

This model is a recent purchase and I also have one 12V only model (3600) that I purchased two years ago. I own two farms and several vehicles and various farm equipment. Both units are very rugged and perform very well. I have used them both to start farm tractors, cars, trucks, mowers, a generator, and my Bobcat in winter. The cables and clamps are heavy commercial quality items that store nicely when not in use. The built-in charger works well to quickly charge and maintain the internal batteries. It will jump-start several vehicles between charges. These have really proved invaluable and save me the hassle of getting a truck close in while trying to get the battery side close enough so I can wrestle around with a cold set of jumper cables what a pain.. I carry one of these on trips, when towing or in bad weather so in an emergency I don't have to rely on the kindness of strangers for a jump-start although I have rescued two damsels in distress and one city guy with a Neon so far. You don't have to worry about smoking the alternator on your truck when jumping an unfamiliar vehicle either. The accessory 12V cigarette lighter-type outlet has actually proven to be a handy "never thought I would use it" feature. The switches are commercial quality and are not flimsy junk like many others. The LED readout actually provides useful information concerning internal battery or vehicle voltage levels or percentage of charge. If you are in the market for a no-nonsense unit, then I can tell you I have been very pleased with both of mine. You can rest assured that you will get what you pay for. Ladies, these would make a great gift for your busy guy. Just make sure it's big enough for his equipment. The 12V only is fine unless he has really big trucks, tractors or airplanes. I had to buy both of mine myself. I was able to take advantage of an Amazon gift card to help out on the second one. I was very surprised how quickly this one arrived.

Only charges to 63%. Amazon has no system for complaints, returns, resolutions because it was sold by amazon and it is battery (hazardous).

They suggest the manual, the manufacturer which I am trying, but, we have a commercial vehicle down in a field waiting for a jump.

Frustrating it is better to purchase from a reseller than from Amazon directly.

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I had intended to buy a high capacity jump starter for some time for use on the farm. I was prompted to go ahead and get one a few months ago because the batteries on my Dodge Ram 3500 have reached the point that they will hold a charge for only a few days -some times the truck may set a week without being used. Since the vehicle starts fine when used regularly, I didn't want to buy a new pair of batteries till I had to.

I have been amazed at the power that this jump starter delivers. It starts my truck's relatively big Diesel engine every bit as easily as new batteries would.

Only one minor complaint: The cables on the jump starter lack a couple of feet being long enough to reach from the ground to the battery on my truck. This is a minor problem -I simply set it on the bumper.

As I said, I have owned this jump starter only a few months. If future problems occur, I will amend this rating.

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I used it to start up a ford econoline with a seized up alternator, and it turned it over like nothing. I had to keep it on the van because the battery was dead and would stall without the power. I had to start it 8 or so times to drive it up on my trailer.

Only problem with it is the fan stays on the entire time it is plugged in. The manual says you can leave it plugged in forever, but I don't know how long that little fan inside can take it. That is my only problem with it so far.

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Very heavy & solid. Have never used as cars, motorhome & motorcycles not failing yet. However, reading other reviews this seems to be a very reliable jumpstarter. Again it is very, very heavy but I carry in my motorhome (bus). Does NOT have a cable to charge the unit dont understand why the manufacturer is not supplying this.

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Lisle 11120 Battery Brush

The side for the battery post works great. The bristle side crushed downward after cleaning one set of connectors, similar to what a wire brush looks like when it's been used for a really long time. I twisted the bristles in both directions and saw no difference. I took a wire brush and brushed the bristles back to their original position. Besides that, it's a pretty good product.

Note: Don't turn the post cleaning side counterclockwise, it will not work and may break.

The only battery brush i could find that was made in America. It cost more but its worth it and has outlasted all the other

junk brushes I have found at the local hardware stores and auto parts places. It doesn't cost much more so I don't understand

why these brushes are so hard to find.

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I love buying products made in the USA and this one is, so that gets points right away, but the plastic body is fairly cheaply molded. But in my experience these brushes don't really last forever anyway. The good news is that this is a little tool WELL worth owning, I noticed when I took my battery terminals off, my + was very corroded underneath so I was happy to have cleaned them both up for the winter, then I sprayed the terminals with marine corrosion block. If you are buying a brush buy this one over the cheap import and at least you are showing extra support for the USA

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Duracell DRPP600 Powerpack 600 Jump Starter and Emergency Power Source

I purchased this to have as an emergency power source in the event of extended power outages. Living in Oregon, I am primarily concerned with the possibility of a large earthquake (see Cascadia Subduction Zone), which could mean we would be without mains electrical power for a period of days or weeks. I would like to be able to keep small electrical gadgets like smart phones charged, as I have heard that the wireless cell network is often brought back up before the rest of the electrical grid. I would not be using this with high-draw appliances, I just want to be able to keep the small stuff charged up over a longer period of time. Although I am somewhat technical (a computer programmer), I came into this not knowing much at all about batteries and the like. So with that in mind, here are my initial impressions, along with some ideas for a more modular alternative setup.

Duracell has replaced the radio which earlier reviews talked about in the back of the unit with two USB charging ports. Some of the video reviews I saw online prior to purchase mentioned these ports, but didn't actually show them, so it was a relief to actually find them given my desire for charging small devices. I'm glad that Duracell apparently decided to get rid of the little radio and clock those are things that I would much rather just keep separately.

The unit is quite heavy, but the handle is comfortable and this makes it easy to move around at least within a house. The build quality is only so-so the main panel consists of a plastic sheet that is stuck down with glue, and my panel is already coming unstuck in places. I pressed it back down and it seemed to stay. Minor cosmetic issue.

When charging for the first time, the manual says to do it for at least 35 hours. During charging, the green light on the front panel blinks. This light changes to solid green when charged; it did this for me after about 6 hours, but I still left it charging for the full 35 hours just to be on the safe side I didn't want to ruin the battery by trying to use it prematurely, especially if it had been sitting around in a warehouse for a while.

When you use the unit for power, you have to be sure to first unplug the charging lead, otherwise this can apparently cause damage to the transformer. Just to see how long it would last, I tried plugging in a 100W incandescent light while we were watching TV in the evening (the light was the only thing plugged into the Duracell). Unfortunately I didn't note the exact run time before the alarm sounded, but it was somewhere between 1 and 2 hours, I think. I immediately unplugged the light and put the unit back on the charger. This was around 9pm; this time it didn't stop flashing until mid-afternoon the next day. So that gives you some idea of how long it can run a simple light, and how long it takes to recover afterwards. To be honest, I wasn't overly impressed I know 100 watts is a bright bulb, but somehow I've never thought of light bulbs as actually taking up that much power (I am no electrical engineer, so my opinion doesn't mean all that much I'm just talking about perception here). I also would have hoped that the thing would have recharged faster than it did, but it is what it is.

After a little more research, I noticed that people were saying that the battery inside the Duracell is not "deep cycle", which means it's not made for being repeatedly discharged using most of its capacity. Apparently if you discharge this Duracell too much then it can permanently damage the battery. Also, the internal battery is not that easy to replace perhaps it can be, but it's not clear how. So, this got me thinking about a more modular approach. I like modular, because it allows you more flexibility in choosing parts, and also you can replace each part if it should go bad. So I started looking at deep cycle batteries, and inverters (for getting power out of the 12V battery at 120V or for USB charging). I was looking for the highest capacity batteries, i.e. which have the highest aH number (I believe this is "amp hours"). I eventually settled on the Optima Yellowtop batteries, since they are deep cycle (as opposed to the Red Top, which are starter batteries, not made for extended discharge). Specifically this one: Optima Batteries 8051-160 D31A YellowTop Dual Purpose Battery, seems to have the highest aH rating amongst the Optima range. at 75 aH (vs 26 aH for the Duracell), and it's deep cycle, and made for vehicles which have a lot of extra electronics.

Then there's the issue of how to charge the battery. This one is a no-brainer, Optima also makes a charger: Optima 150-34178 Digital 1200 Battery Charger. I have this now and it seems to be very nice I'll post a separate review, but suffice to say I like it so far.

Next is getting power out of the battery in the voltages that are needed for everyday appliances. I did this in two stages: First, a 12V adaptor socket with clamps for attaching to the battery posts: Roadpro 12V Battery Clip-On and Cigarette Lighter Adapter (this lets you plug in anything that you could plug into the "cigarette lighter" socket in a car e.g. a car USB charger would be able to charge smartphones etc). Next, an inverter (to convert the 12V DC to 120V AC power) e.g. Samlex America PST30S12A 300W Pure Sine Wave Inverter. These things are obviously also useful everyday in the car for charging gadgets, laptops and so on. Incidentally, you might want to do some research on, or at least be aware of the difference between modified sine wave (MSW) and pure sine wave (PSW) inverters this affects the quality of the AC current being produced by the 120V outlets. The inverter in this Duracell is, I'm pretty sure, MSW. I also have the Samlex PST30 that I linked to above, which is PSW, and just out of curiosity I tried running a Wahl shaver first through the regular AC socket on the Duracell, and then through the Samlex, which was plugged directly into the 12V socket on the Duracell (so, both tests are using the same battery, just different inverters). There was a noticeable difference in the sound of the shaver between the two sources. It sounded more subdued and quieter on the Duracell's MSW inverter, and much stronger and maybe faster on the Samlex. Apparently many devices don't mind what they are plugged into, or at least they can tolerate the non-optimal AC produced by MSW inverters, but some devices may be affected by it (e.g. you might experience heating up of transformers, or buzzing, or different performance as in the case of my shaver). Just something to be aware of PSW is definitely more expensive, but as the name suggests, the sine wave produced is more, well, pure. So if you have sensitive equipment then you should look at the PSW possibilities. Note that you can use the PSW in combination with the Duracell, just as I did here simply plug it into the 12V socket and you are using the battery directly.

I have built a small wooden enclosure to put around the Optima YellowTop battery while it is being charged, so that I can keep it inside the house (we have cats and I don't want them to be able to mess with it). I choose to keep it inside the house, rather than out in the garage, for two reasons: First, it seems that batteries are quite sensitive to getting too cold or too hot, so I want to maximize its useful life. Second, these AGM (absorbed glass mat) batteries are sealed, and so there isn't any danger of harmful fumes coming into the room. I wouldn't do this with regular lead acid batteries you need to be careful! I think it's ok with the AGM, though after all, this Duracell unit which is the main subject of this review uses an AGM battery, and it's clearly meant for use inside the house.

So anyway there you have it a much more modular, and probably much higher capacity alternative. The downside is that it is more expensive (at least initially), due to having to purchase the separate battery, charger, adaptor and inverter. But then you can replace the battery whenever you need to, or even have multiple batteries standing by. It's just much more flexible. Also, I have to say that I get a lot more confidence from the Optima 1200 charger than I do from the Duracell, due to the fact that it seems to be much more advanced in terms of multistage/maintenance charging. The Optima 1200 also does an automatic 3 hour maintenance cycle on the battery every 30 days, which helps keep it desulfated (an issue with AGM batteries).

I would say that the Duracell 600 is still worthwhile if what you want/need is an all-in-one package that works out of the box and can be easily transported. My modular solution is definitely not so portable, but remember that I got this primarily for use in the home, not taking on the road. I am still glad I got the Duracell, because I think its transportability will no doubt come in useful in ways I can't imagine right now e.g. on car journeys, camping or whatever. It's a very handy little thing to have around. I will leave it inside the house, not in the trunk of the car, though (again extreme heat and cold kills these things), and I leave it constantly plugged in so it can trickle charge the battery.

I'll also mention some other options which I have been learning about since I first wrote this review: As I said initially, I was primarily interested in keeping small gadgets charged up in the event of a power outage. There are alternatives that may be more appropriate for that specific purpose than either this Duracell or the Optima battery setup I outlined above. For example, the Anker Astro3E 10000mAh Dual 5V 3A USB Output External Battery Pack Charger for Smart Phones, Android Phones is a very nice battery pack that is about the same size as my Samsung Galaxy S3, and it will keep it topped off for a few days at least. One thing worth noting here: The 10,000 mAh of the Anker is equivalent to 10 Ah, and the Duracell's battery is 26 Ah, so three of the Anker battery packs would theoretically have more total capacity than the Duracell... and at about $40 for the Anker vs $150 for the Duracell, even three Ankers would both cost less, and take up less space. So if you're primarily interested in keeping USB devices going during outages, then it would seem there are better options out there than this Duracell. However obviously if you need the inverter (to run devices with regular electrical plugs) then the Anker can't do that.

Then there are new, small, efficient solar chargers that have recently come on the market which are much more effective that the previous generation. For example, the Solar Joos Orange Portable Solar Charger is really nice (I have it), and the Instapark 10 Watt Solar Panel Portable Solar Charger with Dual USB Ports for iPhone, iPad & all other USB Compatible Devices is another one that I am trying out. You can also of course get a larger solar panel for charging up the Optima battery, e.g. Instapark® NEW All Black 50W Mono-crystalline Solar Panel (you also need a charge controller, e.g. Sunforce 60031 10 Amp Digital Charge Controller to hook it up to your battery). The point is, if you think about what it is you actually want to keep charged up, then there may well be better, more compact solutions than this Duracell. I also like the idea that the little solar chargers can be used indefinitely even in the event of a power outage that lasts for an extended period as long as the sun is shining, you'll be able to charge. Just something to think about.

Hope this will be useful to somebody, I think it's a very interesting problem to think about how you might be able to keep all your little gadgets charged up in the event of a big disaster. Knowing how all the parts fit together (battery, charger, inverter etc) can be helpful in knowing what you're looking at when evaluating products like this Duracell.

I bought this powerpack over five years ago and it still works fine. I have used it several times a year during short power

outages to run my laptop, internet modem, portable 9 inch TV and a small lamp with a low wattage bulb. I used it once to jump

start my car. I felt like I needed to have three hands, because I needed one to plug in the jumper cable to the powerpack and

two hands to keep the red and black wires seporated so they wouldn't spark. It made me nervous. I like that it is expandable by connecting another 12 volt battery. There is also an option to charge via solar panel, all though I don't want to spend $250 for a solar panel when I only use the power pack for short periods of time. If you want to go camping, it might make sense to get the solar panel.

One time when there was a power outage, I turned on the built in lantern and put the pack next to the bathroom door so I

could see to take a shower. I guess the steam from the shower got into the AC outlets and that part stopped working for

several days. Eventually the outlets dried out enough and they started working again.

Buy Duracell DRPP600 Powerpack 600 Jump Starter and Emergency Power Source Now

I bought this as a power failure backup for my CPAP. I found it was good for 2 nights of use (without using the humidifier).

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First of all let me say Amazon was great in the process However Duracell and DuracellDirect were not.

I purchased the product and it came packaged very well from Amazon. I charged it for a couple of weeks before I used it. I was using it at a trade show to power my laptop via the AC plug. The first day it worked like a charm. Charged it overnight and the next day no AC power. The unit showed a full charge but no AC Power. Called Duracell many times that morning and was put on perpetual hold or cut off. Horrible customer service by both Duracell and DuracellDirect. When I finally got ahold of Duracell Direct the service Tech said it was probably a bad inverter. Called Amazon and they were very good at refunding my money but they do not take it back as it is classified as dangerous to ship (although it was shipped by them TO me). Although I'm glad I'm getting a refund but what I really wanted was AC power at the trade show.

Would like to get it fixed for future use, but it looks like I'm stuck with a BOAT ANCHOR.

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After 1 year the pack quit charging, no green light. The AC charger (transformer) is the problem. A 12V charger is an ok replacement with the correct connector. Mine has two pins and doesn't work one way. A 10.5V 13.5V charger can be used to replace the transformer. Leave it plugged in to a AC outlet or it does discharge quickly. FYI just in case.

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Wagan EL2001 150 Watt Continuous Power Slim Line AC Inverter

I use the Wagan 150 Watt Power Inverter with a ub1280 8 amp, 12 volt, lead acid battery to power my Ibanez 10 watt bass guitar amp. This setup gives a calculated 5 hours play time. There is some buzz which I assume is coming from an unclean signal in the power inverter. It does allow me to take my Ibanez electric bass guitar and amp anywhere though.

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Sirius XM Radio 5 Volt USB Power Cable for Legacy 5V receivers (NOT PowerConnect)

• USB Power Charger Cable for Sirius and XM Radio plug and play receivers
• Works with Legacy 5 Volt receivers (does NOT work with PowerConnect receivers
• Charge your Sirius XM Radio from any USB charger or Computer

I bought it to use with this solar powered battery charger I got a few years ago. It works with that to charge and play my XMP3.

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Worked as expected. When you order one, check your Sirius radio to see what kind of input plug you need. There are two different connectors depending on your model of radio.

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Received in 3 days, and works perfect with my starmate unit. The wire guage seems a little small but still seems to get the job done.

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After my car charger burnt out I bought this to go with a USB plug for my car. works great.

very handy to have a usb adapter for my xm. item works with no problems. cord is very long so no problems with it reaching anywhere!

Whistler XTR-445 Laser/Radar Detector Battery Operated with Built-In Battery Charger with OLED Red

• Battery-powered radar/laser detector provides up to 15 hours operation on a single charge (power cord and rechargeable batteries provided).
• Provides 360-degree alerts for selectable radar and laser signals, POP mode alerts, and Safety Warning System alerts.
• New and improved red OLED text display provides distinct visual confirmation of signals detected, signal strength, and indicates engaged modes of operation.
• VG-2 cloaking technology makes you invisible to radar detector detectors; 3 City Modes and Highway Mode for reducing false alerts; dim/dark mode
• One-year warranty

Who's the joker who gave this a 1 star review? My experience with this item is a 5 star one. Here are my thoughts.

Pros:

Scans for so many types of detection K, X, Ka, VG2, Laser... I've seen them all go off in just a few days. I had no idea there were so many cops around!

alerts you in order so the most advanced speed detection system is prioritized over the lower ones.

Detects signals from cops I can't even see and I'm on a motorcycle, so I'm taller than cars and can look in all directions. So, basically it's picking up signals from a few blocks away.

gives you signal strength of radar etc from 1 to 9 so you know if they're right up your ass or a few blocks away AMAZING!

legal :)

fits to my screen easily with the enclosed suction attachment. Was a bit nervous about it falling off but I've been over some major bumps and so far all good.

-contrary to the 1-star fool the batteries that come with it last a good amount of time, as do my other rechargeable batteries that I use with it. Don't know what he's on about.

display is bright and easy to see

flashes an 'all-clear' when the signal goes away.

Cons:

errrmmm... racking my brain to think of one... my only addition would be a headphone socket so I didn't have to rely on glancing at the display (bit loud on a motorcycle to always hear the voice forget it on freeway).

Case-study

I was a little dubious before I bought this that it would work, but it really does. I tested this on day one by flying past a stationary cop in traffic. Sure enough he starts to follow me. I cruise at the speed limit and within 10 seconds I am alerted the exact moment he switches on his radar gun to track my speed. I ride on. Since I did nothing but obey the the law and speed limits, after a mile or so he gets bored and peels off. System gives the 'all-clear', and away we go. I couldn't ask for more for what I feel is a very reasonable price a just under at hundred bucks. Get one! :)

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Like the different filters to tune out traffic sensing radar. Seems pretty sensitive to real radar from cop cars. The vg2 went off a few times already. You have to keep in mind that when vg2 is detected the local oscillator In the detector shuts down for 30 seconds to avoid detection by the cops. So even though it shuts down of corse u know there are cops around. It's a keeper.

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I have owned two other Whistler radar detectors and the XTR-445 is much more sensitive than the others and the ability to use it without the power cord is the main reason that I bought this model.

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Seemed to work great, would detect radar with more than enough time to slow down, about the same range as my old Passport. Didn't seem to have any more false alarms than my Passport, in fact there were a couple spots on my daily commute where the Passport would false, but the Whistler would remain silent. This was using the Highway mode on both. They don't use Laser around here luckily, so I can't comment on that.

Batteries seemed to be good for about 5 hours before they would read 25% left. That was good enough to last the week for my dailt commute to work, but if it sat unused for 2 days after re-charging, it would drop to 75% without ever being turned on, dropping the life to about 3 hours. Not great for any trips, don't forget the cord, or some spare batteries. I had planned to replace the cheap chinese batteries with better quality rechargeables to see if that would extend battery life.

Got in the car yesterday and turned it on, it goes through the entire test sequence, and then says "NO BATT" and shuts itself off. How can it turn on if there are no batteries? I tried charging it overnight, even tried a different set of batteries. Same results.

JR is paying return shipping to exchange it, so I will try another. Hopefully it has a longer life span. I can highly recommend JR music world, great service.

UPDATE 9/11/2012: I received the replacement from J&R a couple of days ago. The batteries that came with this one are garbage, and will only run the unit for about an hour before the charge runs out. I have tried regular alkalines (DO NOT charge these!) and it shows 50% battery life after 8 hours. I have some Eneloops on order to fix the low battery life. Just a warning that if you do buy this unit, plan on replacing the batteries right out of the box.

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I was very satisfied with the way it responds so quickly to any detection. The only negative thing I have to say about it is, the battery life does not last long at all. I can get about an hour to maybe an hour and fifteen minutes use out of it before the low battery beep goes off. Other than that, I would highly recommend this product to anyone looking for a good, yet affordable radar detector.

Twin USB Charger 12V-24V DC

Came in a timely manner. I use it to charge my phone and GPS simultaneously. In the field it charges my phone fast in my military vehicle. Seeems pretty solid and all in the field who don't have one wish they did.

Works great on 12 or 24 volt systems! I use it in my car and my airplane. Shipping was extremely fast!!

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