Chemistry: LiPo, Li-Ion, LiFe, LiHV, NiMH, NiCd, Pb. Cell Count: LiPo/Li-Ion/LiFe/LiHV: 1-6S; NiMH/NiCd: 1-15 cells; Pb: 2-24V. (2) XH Type LiPo Balance Board. The power source can be 11-18V DC input or a 100-240V AC source.