Description Kindly Reminder: This product is only for display on our e-shop due to delivery and installation reasons.?For more details and inquiries, we invite you to visit our oraimo offline store. ? Product Specification: Size: 259*168*211mm Weight: 26.5?0.5kg Internal Resistance: 3.7 m? (Fully charged battery 25?C/80.6?F) Normal Operating Temperature Range:? Charge: 0? ~ 40? ; Discharge: -20? ~ 55?; Store: -20? ~ 55? Capacity Affected by Temperature: 40?: 105%; 25?: 100%; 0?: 86% Capacity: 100Ah Float Charging Voltage at 27?C: 13.50V ~ 13.80V Cycle Charging Voltage at 27?C: 14.40V ~ 14.70V Float Voltage Temperature Compensation: 18mv/? Cycle Application Temperature Compensation: 30mv/?