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GP 645 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.
| Capacity |
4.5 Ah @ 20hr-rate to 1.75V per cell @ 25°C (77°F) |
| Weight (kg) |
Approx. 0.84kg. (1.85 lbs.) |
| Maximum Discharge current (A) |
60A/90A (5sec.) |
| Internal Resistance Approx. |
Approx. 19.0 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 |
6.75 to 6.9 VDC/unit Average at 25℃ (77°F ) |
| Recommended Maximum Charging current limit |
1.35A |
| Equalization and Cycle Service |
7.2 to 7.5 VDC/unit Average at 25℃ (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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