Single-phase storage, 5 to 8 kW
A BW-INV-SPH hybrid inverter on a stack of self-heating battery modules. One unit handles the solar, the battery and the backup supply.
- PV input
- Up to 10 kW on two MPPTs
- Backup output
- 5, 6 or 8 kVA
- Battery
- 7 to 56 kWh, self-heating
- Grid connection
- G99 and G100, on the ENA register
Build a stack
Pick an inverter and a battery. The drawing, the size and the weight follow.
- Combination
- BW-INV-SPH5K on BW-BAT-14S2-H
- Battery
- 2 × 14 kWh, 28.13 kWh (usable 27.57 kWh)
- Inverter
- 5 kW (PV input up to 10 kW)
- Backup output
- 5 kVA, 7.5 kVA in bypass
- Size, W × H × D
- 690 × 1543 × 240 mm
- Weight
- 252 kg (inverter 28 kg, battery 224 kg)
- ENA G99
- SUZHZ/08196/V2/A1
- ENA G100
- BYTEW/17522/V1/A2
This stack is above 40 kWh. PAS 63100:2024 limits a dwelling to 40 kWh in total, or 80 kWh where the batteries are outdoors, in a detached garage or outbuilding, or in an attached garage with REI 60 fire separation (clause 6.5.7).
What it does
Power
- Up to 10 kW of PV on two MPPT inputs, 100 to 550 V.
- Battery charge and discharge current up to 60 A.
- Backup output at the inverter rating, and 7.5, 9 or 10 kVA in bypass.
- Max. efficiency 97.3%, European efficiency 96.2%.
Protection
- Self-heating battery that charges and discharges from −20 to 50 °C.
- Switches to backup in under 4 ms, with no separate gateway for the circuits on the backup output.
- IP66 battery enclosure.
- PV insulation and residual current monitoring, anti-islanding protection, and surge protection on DC and AC.
Control
- Built-in energy management system.
- VPP ready.
- RS-485, Wi-Fi, LAN and Bluetooth, with Modbus.
- Modular stack on one footprint, from 7 to 56 kWh.
Specifications
Scroll the tables sideways to see every column.
| Item | BW-INV-SPH5K | BW-INV-SPH6K | BW-INV-SPH8K |
|---|---|---|---|
| Max. PV input power | 10 kW | ||
| Max. PV input voltage | 580 V | ||
| MPPT voltage range | 100 to 550 V | ||
| Start-up voltage | 90 V | ||
| Max. MPPT current | 15 A / 15 A | ||
| Max. MPPT short-circuit current | 18.7 A / 18.7 A | ||
| MPPT inputs | 2, one string each | ||
| Battery voltage range | 80 to 450 V | ||
| Max. battery charge and discharge current | 60 A | ||
| Nominal power | 5 kW | 6 kW | 8 kW |
| Max. apparent power to grid | 5 kVA | 6 kVA | 8.8 kVA |
| Max. apparent power from grid | 10 kVA | ||
| Max. current to grid | 21.7 A | 26.0 A | 34.7 A |
| Max. current from grid | 45.4 A | ||
| Nominal voltage and frequency | 220/230 V, L/N/PE, 50/60 Hz | ||
| Power factor | About 1, adjustable from 0.8 leading to 0.8 lagging | ||
| THDi | Under 3% | ||
| Backup output | 5 kVA | 6 kVA | 8 kVA |
| Backup output in bypass | 7.5 kVA | 9 kVA | 10 kVA |
| Max. backup current | 21.7 A | 26.0 A | 34.7 A |
| Max. backup current in bypass | 34.0 A | 40.9 A | 45.4 A |
| THDv, linear load | Under 3% | ||
| Max. efficiency | 97.3% | ||
| European efficiency | 96.2% | ||
| Operating temperature | −25 to 60 °C | ||
| Communication | RS-485, Wi-Fi, LAN, Bluetooth. Modbus protocol. | ||
| Dimensions, W × H × D | 690 × 478 × 240 mm | ||
| Weight | 28 kg | 28 kg | 28.5 kg |
| Cooling | Natural convection | Natural convection | Smart forced air cooling |
| Topology | Non-isolated | ||
| Modules | Model | Rated energy | Usable energy | Weight | Battery height | Height with inverter |
|---|---|---|---|---|---|---|
| 1 | BW-BAT-14S1-H | 14.06 kWh | 13.79 kWh | 128 kg | 635 mm | 1113 mm |
| 2 | BW-BAT-14S2-H | 28.13 kWh | 27.57 kWh | 224 kg | 1065 mm | 1543 mm |
| 3 | BW-BAT-14S3-H | 42.2 kWh | 41.36 kWh | 320 kg | 1495 mm | 1973 mm |
| 4 | BW-BAT-14S4-H | 56.26 kWh | 55.14 kWh | 416 kg | 1925 mm | 2403 mm |
| Modules | Model | Rated energy | Usable energy | Weight | Battery height | Height with inverter |
|---|---|---|---|---|---|---|
| 1 | BW-BAT-07S1-H | 7.03 kWh | 6.89 kWh | 78 kg | 480 mm | 958 mm |
| 2 | BW-BAT-07S2-H | 14.06 kWh | 13.79 kWh | 134 kg | 725 mm | 1203 mm |
| 3 | BW-BAT-07S3-H | 21.1 kWh | 20.67 kWh | 190 kg | 970 mm | 1448 mm |
| 4 | BW-BAT-07S4-H | 28.13 kWh | 27.57 kWh | 246 kg | 1215 mm | 1693 mm |
| 5 | BW-BAT-07S5-H | 35.16 kWh | 34.46 kWh | 302 kg | 1460 mm | 1938 mm |
| 6 | BW-BAT-07S6-H | 42.2 kWh | 41.36 kWh | 358 kg | 1705 mm | 2183 mm |
| 7 | BW-BAT-07S7-H | 49.23 kWh | 48.25 kWh | 414 kg | 1950 mm | 2428 mm |
| 8 | BW-BAT-07S8-H | 56.26 kWh | 55.14 kWh | 470 kg | 2195 mm | 2673 mm |
Both batteries
- Cell type
- LFP
- Depth of discharge
- 98%
- Nominal system voltage
- 350 V
- Operating voltage range
- 200 to 500 V
- Max. system current
- 60 A in, 60 A out
- Operating temperature
- Charge and discharge from −20 to 50 °C
- Cycle life
- 8,000
- Cooling and noise
- Natural convection, under 30 dB at 1 m
- Communication
- CAN
- Ingress protection
- IP66
- Footprint
- 690 mm wide, 240 mm deep
System
- Mounting
- Floor stacked
- Operating altitude
- Up to 3,000 m, derating above
- Relative humidity
- 0 to 100%, non-condensing
- Warranty
- 10 years
Documents
Datasheets, manuals and certificates are available from us by email while the download area is being prepared. Write to admin@neovoltuk.com with the model you need.