Its sleek, aluminum design, easy-to-read backlit graphic display and four micro-processor controlled charging ports with Lithium cell-balancing circuits, make the H4 ideal all electric airplane and helicopter pilots as well as demanding racers and backyard bashers. Each 120-watt port is capable of delivering up to 8 amps of charging power. The independent charging channels can also be paired to provide two independent 240-watt charge ports, or two120-watt ports with a single 240-watt charge port. This versatility, along with the H4’s unwavering reliability, safety functions, upgradeable firmware and PC-interface capability using our HPP-22 PC Interface, make this a must-have charger.FeaturesFull Aluminum Case32bit High Performance Microprocessor ControlledHigh Quality 128×64 Back Light Graphic LCDHigh Power 120watt Per ChannelHitec Channel Bridge FunctionLi-Xx Storage Mode (Auto Detecting)Ni-Xx Cycle Charge & Discharge (Up To 10-Cycle)Built In Cell Voltage Level & Capacity Check Function Lithium Chemi