1 full charge for Redmi Note 4G 1.8 full charges for iPhone 6 2.2 full charges for iPhone 5s 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 Dimension: 125mm x 69mm x 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