Residential Storage
DAHAI-MAX20 Residential Low-Voltage Battery
The DAHAI-MAX20 is a 20.07 kWh residential low-voltage LiFePO4 battery with 392Ah LFP cells and 8000+ cycles. It expands to about 1 MWh with up to 50 units in parallel.
Key figures
- Nominal energy
- 20.07 kWh
- Dimensions (W/D/H)
- 454/251/925 mm
- Net weight
- 137 kg
Key features
- Max. charge/discharge power 10.75 kW; peak discharge power 16.03 kW for 10 min
- 392Ah LFP cells, 8000+ cycles
- Easy to move by one person with wheels
- Built-in aerosol fire extinguisher
- Cold resistant down to -20 °C (optional); heat resistant up to 55 °C
- Up to 50 units in parallel (20.07 kWh – 1 MWh)
- Colour options: Pearl White, Mist Blue-Gray
Specifications
| Model | DAHAI-MAX20 |
|---|---|
| Battery | |
| Cell chemistry | LiFePO4 (LFP) |
| Nominal energy | 20.07 kWh |
| Usable energy | 19.07 kWh |
| Nominal capacity | 392 Ah |
| Nominal voltage | 51.2 V |
| Voltage range | 44.8–57.6 V |
| Max. charge & discharge current | 210 A (0.54C) |
| Peak discharge current (25 °C) | 313 A (0.8C), 10 min |
| Max. charge & discharge power | 10.75 kW |
| Peak discharge power (25 °C) | 16.03 kW, 10 min |
| DoD | 95% |
| Cycle life | ≥8000 cycles (0.2C, 25 °C, 95% DOD, 70% EOL) |
| General | |
| Charge temperature | 0–55 °C / -20–55 °C (optional) |
| Discharge temperature | -20–55 °C |
| Net weight | 137 kg |
| Dimensions (W/D/H) | 454/251/925 mm |
| IP rating | IP20 |
| Communication | CAN / RS485 |
| User interface | WiFi + APP |
| Safety protection | Built-in aerosol fire extinguisher |
| Installation | Floor-mounted; wall-mounted (optional) |
| Expansion | Up to 50 units in parallel |
| Warranty | 10 years |
Specifications follow the manufacturer datasheet and may change without notice. Please confirm the exact model before ordering.
Certifications
Listed in the manufacturer datasheet
- IEC62619
- IEC63056
- EMC
- RED
- UN38.3
- VDE 2510-50
A datasheet listing is not a certificate. Ask us for the certificate that covers your exact model and market. Request a certificate
Talk to our sales team about sizing, lead time and certificates for your market.
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