... , including discharger overcharge, overload, short-circuit, lightning protection function. 3. Intelligent hand control on-off switch to prevent the power consumption, the ... will know the percentage. by seeing the blue LED inside. 3. Then use mobile power to charge your phones etc. 4 ... voltage is 5V, 1000mAh. 8. Press the button for about 3 seconds, LED shutdown means switch off.The detailed picture of ...