The Hexfly HX-403 is a versatile and affordable charger that is suitable for both LiPo and LiFe batteries. With built-in balancing for 2S-4S batteries, it provides efficient and safe charging. Its compact design and built-in power supply make it a convenient all-in-one package. Charge two 2S batteries simultaneously or one 3S or 4S battery with ease. Trust in the reliable and expert performance of the HX-403.