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Model:
HOYMILES-BAT-HiOne-8B-G3
Hoymiles BAT-HiOne-8B-G3 Battery Module – 8 kWh IP66
The Hoymiles BAT-HiOne-8B-G3 is the stackable LiFePO4 battery module for the HiOne all-in-one energy storage system. Each module adds 8 kWh of storage (7.8 kWh usable) and stacks under a compatible HiOne hybrid inverter for Australian indoor or outdoor home battery installs.
Key Features & Benefits
- 8 kWh total / 7.8 kWh usable per module
- Premium 314 Ah LiFePO4 cells
- 8,000+ cycle life
- 100% depth of discharge
- 4 kW continuous charge/discharge, 6 kW peak (10 s)
- Built-in module optimizer – mix new and older packs
- Self-heating for cold-weather operation
- IP66 indoor/outdoor rated
- Stack up to 4 modules per tower
- Up to 2 towers in parallel (up to 64 kWh)
- Compatible with HiOne single-phase and three-phase inverters
Six-layer Battery Protection
Fire Safety Module
Fire suppression in 4 seconds – independent module protection for every pack.

Aerogel Insulation Pads
Foam and ceramic aerogel between cells for superior thermal insulation.

Insulation Pad
External layer protects cells with high-temp, high-voltage resistance, blocking heat transfer.

Temperature Sensors
Built-in temperature sensors in every cell, with 9 sampling points for precision monitoring.

Pressure Relief Valve
Side venting ensures rapid gas release when pressure builds up.

Terminal Thermal Sensors
Euipped with 2 NTC sensors, enables faster and more accurate detection of abnormal temperature rise.

Technical Highlights
Parameter | Value |
|---|---|
Model | BAT-HiOne-8B-G3 / HiOne-8B-G3 |
Battery Type | LiFePO4 |
Cell Capacity | 314 Ah |
Total Energy | 8.0 kWh |
Usable Energy | 7.8 kWh |
Depth of Discharge | 100% |
Cycle Life | 8,000+ |
Max Charge / Discharge Power | 4 kW |
Peak Discharge Power | 6 kW (10 s) |
Max Modules per Tower | 4 |
Max Parallel Towers | 2 |
Compatible Inverters | HiOne-(5–12)S-G3, HiOne-(8–20)T-G3 |
Dimensions (W × H × D) | 620 × 360 × 255 mm |
Weight | Approx. 67 kg |
Protection Rating | IP66 |
Cooling | Natural convection |
Charge / Discharge Temp | −20°C to +55°C |
Warranty | 10 years |
System Note
This is the battery module only. A working HiOne system also needs a compatible HiOne inverter and the HiOne Accessory Kit (base + top cover + handles) for each floor-standing tower.
Ideal for Australian homes building or expanding a HiOne solar-plus-storage system one module at a time.
Available now at PowerEase – Local stock, fast delivery and expert technical support.



