Valken Energy FAST Balance LiPo/LiFe 3.2v-14.8v Charger Output: 8.4v - 12.6v(Li-po), 7.2v-10.8v(Li-fe) Charging Current: 1.3A Battery Type: Li-po, Li-Ion, Li-Fe Master Pack: 18 Features Advanced individual charging method charges each cell individually. Safer and faster charging for better battery performance and life. Fits most 2s to 3s Li-po/Li-fe battery packs with XH type balance connector. Light weight and super easy to use. Multiple protection features include reverse polarity protection, short-circuit protection, and input voltage protection.