- Built-in balancer. Batteries are automatically balanced during charging, ensuring full charge - Automatic constant voltage, constant current and trickle charging - Automatically terminate charging process when input voltage is lower that 8V or higher than 17V - Reverse polarity and short circuit protection - Over-Charge and Over-Current protection - Light weight and attractive aluminum alloy case - Applicable for Li-ion, LiPo and LiFePO4 battery packs In the Box Specifications: Applicable Battery Types LiPo,Li-ion, and LiFePO4Battery Count 2~3 cellsInput Voltage DC 10.8~14.4V, 1ACharging Current 1ABalancing Current 50mABalancing Precision 25mAOutput Connector 3 pin and 4 pin JST ConnectorLED Red: Charging / Green: Fully Charged and BalancedDimension 88 x 58 x 17 mmWeight approx. 100g California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov