Original
By certification 
Residential energy storage system, modular high-voltage battery, suitable for residential energy storage, One set provides electricity for the whole house.
·Support a variety of communication protocols, support RS485, RS232, CAN, etc；
·Modular structure for easy installation；
·Long cycle life of 10 years；
·Intelligent battery management system；
·LED lights display the parameters of the equipment in real-time；
·Supports up to 16 clusters in parallel；
·Can be used with a hybrid inverter.
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Specification
| Items | PW-SH20550A | PW-SH30750A | PW-SH41050A |
| Number of battery modules | 2 | 3 | 4 |
| Nominal energy | 10.24kWh | 15.36kWh | 20.48kWh |
| Nominal voltage | 204.8V | 307.2V | 409.6V |
| Nominal capacity | 50Ah | 50Ah | 50Ah |
| Usable energy | 9.73kWh | 14.59kWh | 19.46kWh |
| Operation voltage range | 185.6V~233.6V | 278.4V~350.4V | 371.2V~467.2V |
| Charge voltage | 56.0V | ||
| Float voltage | 54.0V | ||
| Recommend charge current | 25A | ||
| Max. continuous charge current | 50A | ||
| Recommend discharge current | 25A | ||
| Max. continuous discharge current | 50A | ||
| Communication | RS485 / CAN, WIFI | ||
| IP level | IP55 | ||
| Cycle life | ≥6000 cycles | ||
| Net weight | ≈141kg (310.8 lbs) | ≈199kg (438.7 lbs) | ≈257kg (566.5 lbs) |
| Dimension( L*W*H) | 630*440*590 mm (24.8*17.3*23.2 inch) |
630*440*745 mm (24.8*17.3*29.3 inch) |
630*440*900 mm (24.8*17.3*35.4 inch) |
| Cell type | Lithium-iron phosphate (LiFePO4) | ||
| Design life | 15 years | ||
| Operation temperature | Charge: 0~45℃ (32~113℉) , Discharge: -20~60℃ (-4~140℉) | ||
| Storage temperature | -10~30℃ (14~86℉) | ||
| Relative humidity | 5%~90%, No condensation | ||
| Install altitude | ≤4000m | ||
| Install location | Indoor, or outdoor without sunlight exposure | ||
| Installation | Stack mounted | ||
| Certification | Cell: UL9540A standard Pack: CE / IEC62619/ UL1973 / UN38.3 |
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http://www.powerworldess.com/
