1Shorten Charging Time: G3220 replaces the traditional resistance discharge balancing method with an excellent balance circuit. 2Advanced Charging Algorithm: It is adopted to greatly improve the charging efficiency and balance accuracy. 3Built in Protection Functions: At the same time, a variety of protection functions are built in, which effectively improves the reliability of the system. 4Compact Design: The aluminum alloy balance charger is small in size, easy to carry when you go out. 5Premium Material: This LiPo balance charger is made of aluminum alloy , electronic components and plastic, sturdy and durable. Item Type: BalanceCharger Material: Aluminum Alloy + Electronic Components + Plastic Color: Black Number of Rechargeable Battery Strings: 2-3s Input Voltage Range: DC 11-16V/2.0A Charging Current Range: 0.5A, 1.2A, 2.0A Full Load Voltage Accuracy: 4.20V+_0.02V Battery Type Used: Lipo Life (A123) Battery ( Not Included) 1 x Charger 1 x Manual 1 x Adapter 1. Due to manual measurement, please allow an error of 13cm/0.31.1in. Thanks 2. Due to the difference of the shooting lights and the difference between the monitors, the picture may not reflect the actual color of the real object.