... , USB charging device,LED indicator light,High precision control circuit, universal charger P750 5000mAh power bank Features:Rechargeable power bank 1 ... , charging protection, discharge protection, overload protection, short circuit protection)Specification: Input voltageDC4.5V-20VInput current1A- 1.5AOutput voltage5VOutput current1ANominal capacity5000mAActual capacity5000mATotal ...