HRL634W 
| Cells Per Unit | 6 |
| Voltage Per Unit | 12 V |
| Capacity | 50W @15 minute-rate to 1.67V per cell @25 ℃ (77 °F) |
| Weight | Approx. 3.90 kg(8.60 lbs) |
| Maximum Discharge Current | 130A (5sec) |
| Internal Resistance Approx. | Approx. 15.0 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 ℃± 3 ℃ (77 °F± 5 °F ) |
| Float Charging Voltage | 13.5 to 13.8 VDC/unit Average at 25 ℃ (77 °F) |
| Recommended Maximum Charging Current Limit | 5.0A |
| Equalization and Cycle Service | 14.4 to 15.0 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 | F2-Faston Tab 250 |
| Container Material | ABS(UL94-HB) & Flammability resistance of(UL94-V0) can be available upon request. |