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By certification 
This stackable household battery is designed as a stackable module, which is easy to expand the capacity. The single battery pack is 5KWh, and the maximum capacity is 20KWh.
- Vehicle-level BMS protectionï¼›
- 3000 ultra-long cycle lifeï¼›
- Compact and easy to installï¼›
- Support WIFI remote control.
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Technical Parameters
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| Items | PW-S51100A | PW-S51200A | PW-S51300A | PW-S51400A |
| Number of battery modules | 1 | 2 | 3 | 4 |
| Nominal voltage | 51.2V | |||
| Nominal capacity | 100Ah | 200Ah | 300Ah | 400Ah |
| Nominal energy | 51.2kWh | 10.24kWh | 15.36kWh | 20.48kWh |
| Usable energy | 4.86kWh | 9.73kWh | 14.59kWh | 19.46kWh |
| Operation voltage range | 48V~56V | |||
| Charge voltage | 56.0V | |||
| Float voltage | 54.0V | |||
| Recommend charge current | 25A | 50A | 75A | 100A |
| Max. continuous charge current | 50A | 100A | 150A | 200A |
| Recommend discharge current | 25A | 50A | 75A | 100A |
| Max. continuous discharge current | 50A | 100A | 150A | 200A |
| Communication | RS485 / CAN, WIFI | |||
| IP level | IP55 | |||
| Cycle life | ≥6000 cycles | |||
| Net weight | ≈67kg(147.7 lbs) | ≈115kg(253.5 lbs) | ≈163kg (359.3 lbs) | ≈211kg(465.1 lbs) |
| Dimension( L*W*H) | 690*444*432mm (27.1*17.4*17.0 inch) |
690*444*587mm (27.1*17.4*23.1 inch) |
690*444*742mm (27.1*17.4*29.2 inch) |
690*444*897 mm (27.1*17.4*35.3 inch) |
| Cell type | Lithium-iron phosphate (LiFePO4) | |||
| Design life | 15 years | |||
| Operation temperature | Charge: 0~50℃ (32~122℉) , Discharge: -10~50℃ (14~122℉) | |||
| Storage temperature | -10~45℃ (14~113℉) | |||
| Relative humidity | 5%~90%, No condensation | |||
| Install altitude | ≤4000m | |||
| Install location | Indoor, or outdoor without sunlight rain/ snow exposure | |||
| Installation | Stack mounted | |||
| Certifification | Cell: IEC62619 / UL1973 Pack: CE / IEC62619/ UL1973 / UN38.3 |
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