The Valken 2-4 Cell LiPo/LiHV Quick Charger is a plug and play balancing smart charger for lithium airsoft battery packs. The LiPo charger comes with its own power supply cable, and charges LiPo battery packs at 2A through 3-pin, 4-pin, or 5-pin charging ports. This lithium airsoft charger will safely charge lithium polymer airsoft batteries incredibly fast. . The LiPo charger also features reverse polarity and short circuit protection built in, as well as over-charge and over-current protection.