Feature:OOTDTY and High quality.1: This product uses the IC (MUC) intelligent control charging method to charge the battery alternately and cyclically, which is faster than the ditional USB cable.2: Check the battery voltage during charging, effectively improve the battery life, and the effect of charge balance3: input overvoltage, output short circuit, re battery for protection function, full s-stop, to ensure charging safety,4: Two-color LED indicator. When the power is on, the red light is for always on, the green light is fing when charging, and the green light is for always on when charging. Note that the red light will f when the battery is faulty.Specifications:Input: for Dc 5V 2AOutput:7.4V / 2000mA / 1000mA / 500mA(Optional)Color: BlackApply: Remote control remote control car remote control shipCautionPls keep away from fireNote:nsition: 1cm=10mm=0.39inchNo retail package.Please allow 1-3mm error due to manual measurement. pls e sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Included1 x Charger