PowerEx Stealth Two Hour 4 Bank 9.6V Charger w/3-9.6V Batteries

I bought the Powerex Stealth charger with the 3 Powerex batteries plus 1 single battery so I would have 4 batteries for my wife's Shure dual mic system she uses at home to sing karaoke. After a little less than a year all four batteries have bit the dust. One at a time the batteries refused to recharge and now all are bad, red lights on the charger flash and no recharging takes place. The batteries probably have less than 50 charge cycles on them, advertisement claims "hundreds" of charge cycles.

I work with audio production and needed rechargeable 9V batteries for my wireless transmitters and receivers. Those batteries didn't work at all with my Seinheiser transmitters and worked only for a short time with my receivers. I just called Maha Energy (the manufacturer) who told me they'd replace the charger and batteries. But since the charger seems to be working fine, I'm having doubts that I got 4 malfunctioning batteries. What are the odds of that happening? Anyway, just thought I'd let you know so you don't go through the same hassle I did. I guess I should stick with the renown brands even if they cost more.

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I first bought this system for use with wireless microphones that eat 9vdc batteries and do not perform well with the 7.2 volt rechargable nicad cells. The problem has always been that with the same number of cells inside the 9v stack at 1.2 V instead of 1.5V you loose .3 V x 6 cells or 1.8 volts which drops the typical rechargable cell from 9V to 7.2 V.

Transmitters don't work well on 7.2 volts of typical rechargable "9v" batteries. You also tend to want a fresh charge on your battery before use which is where this product comes in.

It adds an extra cell to get you 9.5 volts which is typical of normal batteries.

The con: The batteries are only about 230-250 mah instead of the alkaline 500 mah so you do not get the same runtime. The charger is well made and indicates when the cells are charged.

These are recommended for use when you know that you want a charged battery and don't mind recharging it when done (example using it for a wireless mic). The higher voltage will make the product work well and you won't be wondering if the battery is fully charged or not you will know it is full every time. For people who use alot of 9V batteries, this will pay for itself in a short amount of time.

Read Best Reviews of PowerEx Stealth Two Hour 4 Bank 9.6V Charger w/3-9.6V Batteries Here

Really not a lot to say. It's reliable, does what it's supposed to, and continues to work after extended period of ownership. Doesn't overheat, doesn't seem to overcharge. Overall, does as promised.

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The product is built very good, the charger give you red and green lights to let you know the batteries are depleted or charged, I would give this product 5 stars if the batteries would power the security camera for about 4 hours, they last about 2-3 hours, but the camera signal is stable until the end of the charge. I hope this is helpful.