Product Description Model NDY-02-AM Battery type Lithium-ion Polymer rechargeable cell Input Voltage DC 5.0V Output Voltage DC 5.1V Input current 2000mA(TYP) Output current 2100mA(TYP) Rated capacity 3.75V/5000mAh(TYP) Charging time 3.5 hrs with 5V/2A plug and standard cable Size 125 * 69 * 9.9mm Load detection Auto-detects device plug-in/plug-out Safety Supports protection from over-voltage (input and output), over-current (input and output), short circuit, over-charge, over-discharge, and battery Positive Temperature Coefficient (PTC). Out of power protection Awake once pluged to the charger Charging temperature 0℃-45℃ (TYP) Discharging temperature Initial -20℃~+60℃(TYP) Weight 156g