USB Battery type AA 1450mAh (pair)

Very interesting and practical rechargeable batteries that can be recharged from any USB (PC, laptop or any other charger to the socket USB). Bought this Chinese miracle of technology on DealExtreme .

USB 1450mAh Rechargeable Batteries AA (pair)


Main Features:
        
  • Color: red + white
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  • Capacity: 1450mAh
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  • Voltage: 1.2V
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  • charging from the USB port (DC 5V)
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  • Supplied Retailing package
Instructions to the batteries was quite laconic:

User USB Battery type AA

When charging the battery LEDs are lit, as written in the instructions:

Charging USB AA battery

Conclusions:
In general, USB AA batteries are very comfortable and functional device, but you need to be very careful when charging, wrong or very long charging can cause this:

failed charging USB AA battery

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