CSB HR1221WF2 Battery - 12 Volt 21Watts/Cell 5.1Amp Hour

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HR1221W 12 V 21.0w/cell HR 1221WF2 is specially designed for high efficient discharge application. Its characteristics are small volume, light weight and high discharge efficiency. It can be used for more than 260 cycles at 100% discharge in cycle service, up to 5 yeas in standby Specification Cells Per Unit 6 Voltage Per Unit 12 V Capacity 21W @ 15 minute-rate to 1.67V per cell @ 25°C (77°F) Weight Approx. 1.8kg. (3.97 lbs.) Maximum Discharge current 60/90A (5sec.) Internal Resistance Approx. Approx. 25mΩ 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 2.1A Equalization and Cycle Service 14.4 to 15.0 VDC/unit Average at 25°C (77°F) Self Discharge It should be more than 75% of the capacity that before storage after stocked for 6 months at ambient temp. 25℃ Terminal F1/F2-Faston Tab187/250 Container Material ABS(UL94-HB) & Flammability resistance of(UL94-V0) can be available upon request. View Spec Sheet Show more