MaximalPower FC996 4-Port Universal Smart Charger for AA AAA 18650 RCR123A NiMh NiCd Li-ion MaximalPower FC996 4-Port Universal Smart Charger for AA AAA 18650 RCR123A NiMh NiCd Li-ion This charger can charge LiFEPO4 and AAAA battery for charging surface pen