This product is a rapid charger with a high performance microprocessor and specialized operating software. Product model:VPTA02-01 Input voltage:AC 100-240V, Charge power：Max 50W Discharge power: Max 5W Charge current range: 0.1-7.0A Discharge current range: 0.1-2.0A Lilo/LiPo/LiFe cell count:1~6series NiCd/NiMH battery cell count:1-15cells Pb battery Voltage:2V~20V(1-10cells) Current drain for balancing LiPo:300mah/cell Weight:640g Dimension:134*142*36mm Product model:VPTA02-02 Input voltage:AC 100-240V, Charge power：Max 80W Discharge power: Max 10W Charge current range: 0.1-7.0A Discharge current range: 0.1-2.0A Lilo/LiPo/LiFe cell count:1~6series NiCd/NiMH battery cell count:1-15cells Pb battery Voltage:2V~20V(1-10cells) Current drain for balancing LiPo:300mah/cell Weight:680g Dimension:134*142*36mm