Automatic Transformer Adapter 500W 110v/220v 220v/110v

At half the size of comparable step-down/step-up transormers, this is an excellent piece of kit that auto-senses what voltage it is connected to and provides the alternate output. Following the guidance of having approximately twice the power capacity of your intended equipment, this 500Watt unit does not hum or buzz, has no excessive heat and is currently running my 240V UK Hi-Fi (Amp, CD and turntable) at 300Watts from a US 110V supply without any drama. I have also used it to run my wife's 240V sowing machine without any problems. It's small size helps to hide it away behind furniture, but if you can't hide it, its not obtrusive. Its power cable came with a moulded euro 2-pin plug fitted, which I replaced with a standard US plug.

I bought this item for some friends visiting from Europe who had brought a number of devices with them from Europe. Most of the converters/adapters are one way hence if you try to find an adapter in the US most will be for 110 to 220. also most have very low power amp ratings. Worse then useless for a Euopean who needs one after they get here. This device works in both directions! It automatically adjusts the out put voltage/current based on what you plug it into. If you use this in the US it will convert 110 to 220. If you are in Europe it will convert 220 to 110. How great is that? Whats more it can do more then just power your camera or IPOD. You can plug Laptops, hair dyers, electric shavers you name it into it. Most units that do this are very large comercial units that are hard to find and cost an arm a and a leg etc. This unit is true universal adapter. It is small works both ways and has a high power rating. Its not expensive! Dont try to use your arc welder with it but for most everyday hand appliances and electronics this device just Rocks.

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I bought this to use on an overseas preamp from Germany and it works great! The automatic voltage feature is cool it looks at the incoming voltage and based off of that converts to the other voltage 110v goes to 220v and vice versa.

This makes no noise, it doesn't run hot, and it doesn't introduce noise into a very high end audio system.

The only thing to be aware of is that the plug it comes with is for Europe you need to order a plug adaptor to use it here in the US. Buy one on Amazon and save a lot vs. having to run elsewhere and paying way too much!

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Great product! Light: 1.9 kg and very small (compared to the competition), and you don't have to worry about nothing: if detects the voltage of the outlet your are plugin it to and automatically converts to the opposite voltage, like 220 --> 110 or 110 --> 220. But the best part is that you don't need to change fuses as this one comes with a thermal fuse, meaning: if you over connect appliances to the converter if will automatically go off and the you just need to hit the RESET button. That simple.

Customer service is great. My fist device was not working properly. 15 minutes after submitting my Return request, the seller called me (!), asking me details of the problem with the item. They promised me they will send a new one with priority mail without having to return the broken one! Amazing!

Two days later I got the second device and this one is great.

Tottaly recommend this Seller and this product.

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I purchased this transformer along with a compact 4 plug extension cable. My wife and I charged two laptop computers, two i-Phones, an i-Pad, and electric razor with it. Usually most if not all items at the same time over night without any trouble. It did not get hot, turn off, or come loose from wall plug. I highly recommend it to anyone needing a transformer for electronics. Keep in mind that I also purchased a multi-plug extension cord knowing I would be charging more than one item at a time since this as with most transformers only have one outlet.

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