Type Specification Nominal voltage 6v Nominal capacity 7ah (20hrs, 25?/77°f) 6.5ah (10hrs, 25?/77°f) 5.5ah (5hrs, 25?/77°f) Dimension Length:151±2mm Width:35±2mm Container height:93±2mm Total height(with terminal):100±3mm Approx weight 1kg Terminal F1 or f2 Container material Abs Operation temp.Range Discharge:-15-50?(5-122°f) Charge: 0-40?(32-104°f) Storage: -15-40?(5-104°f) Nominal operating temp.Range 25±3?(77±5°f) Cycle use 7.2v- 7.5v(25?/77°f) coefficient:30mv/? (initial charging current less than 0.39a) Standby use 6.75v-6.90v(25?/77°f) coefficient:20mv/? (no limit on initial charging current) Capacity affected by temp. 102% 40?(104°f) 100% 25?(77°f) 80% 0?(32°f)