9V rechargeable li-ion battery can work well for microphone, multimeter, smoke detector, alarm system, camera, portable radio, walkie-talkie, toy remote etc.

Use USB cable for Charging, LED show charging progress...

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Product Review

9V rechargeable li-ion battery can work well for microphone, multimeter, smoke detector, alarm system, camera, portable radio, walkie-talkie, toy remote etc.

Use USB cable for Charging, LED show charging progress:
Red light means charging, Green light means fully charged.

Battery Specification:
Capacity: 500mAh
Voltage: 6-8.4V (9V lithium ion battery built-in 2 high quality cells, per cell voltage is 3V-4.2V, voltage is 8.4V when the battery be fully charged.)
Weight: 25.5g
Size:47*25.5*16.5mm
Life: about 500 cycles

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