Jrelecs&reg; 2.1" Screen RC Cell Meter-7 Digital Battery Capacity Checker for NiCd / NiMH / LiPo / LiFe / Li-ion Compatible device: NiCd, NiMH, LiPo, LiFe, Li-ion Use for LiPo LiFe Li-ion NiMH Nicd battery. Applies to check the batteries High quality, safe and durable 2.1" screen display