RFE-16F20voltage:48V, capacity:20Ah, self resistance:≤120, recharging cycly life:≥1200, charge limited voltage:58.4V, discharge cut-off voltage:32V, discharge current:40A, weight:10Kg, dimension:260*90*300mmRFE-16F30voltage:48V, capacity:30Ah, self resistance:≤100, recharging cycly...