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hot sale high capacity 4000mAh external battery pack
Product Feature:
1. Build-in Lithium-ion polymer battery cell with high capacity.80% power would be hold after 500times charge and discharge.
2.It supply power for digital device likeP1000,cell phone,mp3,mp4 and more through USB output port.
3. Powerful smart protection function with the over-charger, over-discharge, overload, short circuit and the lightning protection function, etc.
4. Intelligent hand switch can protect self-consuming of battery charger.
5. Adopt square button and UV bezel panel, artistic, fashion, top grade and with prevent scratch function.
Charging Battery Charger:
Charging battery charger through USB cable, USB adapter or PC(Note: only can charge battery charger through USB 2.0 port when you use pc to charge battery charger)
When charging, LED 1,2,3,4 circularly light on. After unit full charged, LED1,2,3,4 light off.
Test capacity(press button):
(1)there have 0%-25% power when first LED light on.
(2) there have 25%-50% power when second LED light on.
(3) there have 50% - 75% power when third LED light on.
(4) there have 75%-100% power when fourth LED light on. Press button, LED will show how much power that battery charger have. Smart chip will hold LED for five minutes light on. Test power have complete when you press button again within five minutes.
Charge digital device like cell phone,mp3,mp4,psp .
Connect USB cable to USB port of battery charger to charge digital device like ipad, mobile phone, mp3, mp4.
LED light on when press button, this mean battery charger have start to work.
When battery charger discharge, four LED light circularly light on and light off. This is LED 1 light on and light off, then LED 2 light on and light off, then LED 3 light on and light off, then LED 4 light on and light off.
Choose right transfer connector for your mobile phone and digital device.
Battery charger can charge digital device with 5v such as ipad, iphone 3g/4g, mobile phone,mp3,mp4 and PSP at anywhere.
Remove digital device from battery charger after complete charge.LED light off mean battery charger have close down.
hot sell high capacity 4000mAh external battery