The CSB GP 12260 26Ah 12V Battery from Critical Power Supplies is a general purpose battery up to 5 years in standby service or more than 260 cycles at 100% discharge in cycle service. As with all CSB batteries, all are rechargeable, highly efficient, leak proof and maintenance free. h2. Features and Benefits. |. Specification |. Information || Cells Per Unit | 6 || Voltage Per Unit | 12 V || Capacity | 26 Ah @ 20hr-rate to 1.75V per cell @ 25°C (77°F) || Weight (kg) | Approx. 8.45 kg. (18.63 lbs.) || Maximum Discharge current (A) | 350 A (5sec.) || Internal Resistance Approx. | Approx. 11 mΩ Operating Temperature Range || Discharge | -15℃~50℃(5°F~122°F) || Charge | -15℃~40℃(5°F~104°F) || Storage | -15℃~40℃(5°F~104°F) ||Nominal Operating Temperature Range | 25°C ± 3°C (77°F ± 5°F) || Float charging voltage | 13.5 to 13.8 VDC/unit Average at 25°C (77°F) ||Recommended Maximum Charging current limit | 7.8 A Equalization and Cycle Service 14.4 to 15.0 VDC/unit Average at 25°C (77°F) || Self Discharge | CSB Batteries can be stored for more than 6 months at 25°C (77°F) Please charge batteries before using. For higher temperatures the time interval will be shorter. || Terminal | B1/B3/B3B-L terminal or Recessed type to accept M5 bolt || Container Material | ABS*Flammability resistance of(UL94-V0/File E88637) can be available upon request. |