The CSB Battery HR1221W, is specially designed for efficiency in high discharge application. The HR Series of VRLA batteries boasts a small footprint and light weight. It can be used for up to 5 years in standby service. The HR Series is maintenance-free and offers Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99%.
CSB Battery HR1221W Specifications
|Cells Per Unit||6|
|Voltage Per Unit||12 V|
|Capacity||21W @ 15 minute-rate to 1.67V per cell @ 77°F|
|Weight||Approx. 3.97 lbs.|
|Maximum Discharge current||60/90A (5 sec.)|
|Internal Resistance Approx.||Approx. 23.0mΩ|
|Operating Temperature Range||Discharge：5°F~122°F|
|Nominal Operating Temperature Range||77°F ± 5°F|
|Float charging voltage||13.5 to 13.8 VDC/unit Average at 77°F|
|Recommended Maximum Charging current limit||2.1A|
|Equalization and Cycle Service||14.4 to 15.0 VDC/unit Average at 77°F|
|Self Discharge||It should be more than 75% of the capacity that before storage after stocked for 6 months at ambient temp. 77°F|
|Container Material||ABS(UL94-HB) & Flammability resistance of (UL94-V0) can be available upon request.|
For more in-depth information, see the data sheet.