Battery CSB HR1221W

12 V 21.0w/cell
HR 1221W 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.
HR 1224W F2F1 is specially designed for high efficient discharge application. Its characteristics are small volume, light weight and hight discharge efficiency. It can be used for more than 260 cycles at 100% discharge in cycle service, or three to five years in standby service.

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. 23.0mΩ
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.

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