| Parameter | Specification |
| Model | HR12120W |
| Brand | CSB Battery |
| Nominal Voltage | 12V |
| Rated Output | 123W @ 15 min |
| Rated Output (5 min) | 232.17W |
| Battery Type | VRLA AGM |
| Design Life | Up to 5 years |
| Max Charge Current | 12 A |
| Max Discharge Current | 225 A |
| Short Circuit Current | 928 A |
| Internal Resistance | 8.2 mΩ |
| Terminal Type | M5 recessed terminal (I1) |
| Weight | 10.2 kg |
| Dimensions (L×W×H) | 166 × 125 × 175 mm |
| Container Material | ABS (UL94-HB), optional V0 |
| Operating Temp (Discharge) | -15°C ~ 50°C |
| Operating Temp (Charge/Storage) | -15°C ~ 40°C |
| Float Voltage | 13.5 – 13.8 V |
| Cycle Voltage | 14.4 – 15.0 V |