
Storage Batteries
DW-Hess-20 20.07kWh LiFePO4 Storage Battery
20.07 kWh floor-type LiFePO4 battery with wireless monitoring and built-in aerosol fire protection.
- Model
- DW-Hess-20
- Nominal Capacity
- 392 Ah
- Rated Capacity
- 20.07 kWh
- Cycle Life
- 8000 cycles (25 °C at 80% DoD)
- Recommended / Maximum Charge Current
- 100 / 200 A
- Recommended / Maximum Discharge Current
- 100 / 200 A
Product overview
20.07 kWh floor-type LiFePO4 battery with wireless monitoring and built-in aerosol fire protection.
Applications
- Residential energy storage
- Solar self-consumption
- Backup power
Basic information
- Model
- DW-Hess-20
- Nominal Capacity
- 392 Ah
- Rated Capacity
- 20.07 kWh
- Cycle Life
- 8000 cycles (25 °C at 80% DoD)
- Protection Rating
- IP65
- Installation
- Floor type
- Communication Functions
- Bluetooth + WiFi; auto-dialling communication
- Fire Protection
- Built-in aerosol fire extinguisher
- Certification
- CE, UN38.3, MSDS, IEC 62619, IEC 63056
- Nominal Voltage
- 51.2 V DC
- Voltage Range
- 44–58.4 V
- Communication
- CAN / RS485 / RS232
- Maximum Parallel Connections
- 15
- Protection Mechanisms
- Temperature, overcurrent, short-circuit, overcharge, overdischarge and low-voltage protection
- Cell Type
- LiFePO4
Charging parameters
- Recommended / Maximum Charge Current
- 100 / 200 A
- Recommended / Maximum Charge Voltage
- 58 / 58.4 V
- Charge Temperature
- 0–55 °C
Discharging parameters
- Recommended / Maximum Discharge Current
- 100 / 200 A
- Discharge Temperature
- −20–60 °C
Installation & operating conditions
- Dimensions
- 830 × 600 × 275 mm
- Net Weight
- 144 ± 3 kg
- Storage Temperature
- −20–45 °C
- Shell Material
- Sheet metal



