Features: Intelligent IC-control circuit, constant voltage and constant current charging. When the charging voltage reaches the set value, it automatically stops charging with protections circuit to prevent over-voltage and over-current over-charging. With LED indicator, red light is on when no load, red light is on and green-light is flashing when charging, when fully charged red and green-light are on simultaneously. USB power supply 5V power supply, can be connect to cell phones chargers, computers, rechargeable batteries and others for charging. XH-3P Reverse interface, with this USB charging cable, you can charge your 18650 lithium battery pack, widely used for remote control aircraft toy and others. Specifications: Name: 7.4V Li-ion Battery USB Charging Cable Material: ABS Color: Black Cable Length: Approx. 60cm/23.62inch Input: DC5V2A Output: 7.4V Output Current: 1000mA Output Interface: XH-3P Reverse Functions: intelligent IC-control, over-charge, over-current, short-circuit protections, anti-reverse connection protections, full charged automatic stop Package Includes: 1x USB Charging Cable note: Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order. Please allow for slight color differences due to different monitor resolutions.