C&I Solar Incentive – VIC Businesses Save on Solar
December 8, 2025
Australia’s Off-Grid
Battery Storage Experts
Phone
1300 334 839
For more details on Powerwall 2, check out this page
For more details on Powerwall 3, check out this page
| Feature | Powerwall 2 | Powerwall 3 |
| Output Power | 5kW cont. (7kW surge) | 11.04kW |
| Phases | 1 or split phase | 1 or split phase |
| Charging | 5kW cont. (5kW peak) | 5kW cont. (5kW peak) |
| Battery Chemistry | NMC | LFP |
| Battery Capacity | 13.5kWh usable | 13.5kWh usable |
| Battery Expandability | Up to 10 Units | Up to 4 Units |
| Round Trip Efficiency | 90% | 89% |
| Installation Location | Indoor / Outdoor | Indoor / Outdoor |
| Dimensions (L/W/D) | 1150 x 755 x 155mm | 1105 x 609 x 193 mm |
| Weight | 125kg | 130kg |
| Operating Temperature | -20° to 50° | -20° to 50° |
| Warranty | 10 years conditional | 10 years conditional |
| Built-in Battery Inverter | Yes | Yes |
| Built-in Solar Inverter | No | Yes |
| Expandability | Yes, with Powerwall 2 | Yes, with Power 3 Expansions* |
| Retrofittable to Existing Solar | Yes | Yes, however existing solar inverter becomes redundant |
| Phases backed up in blackout | Single phase only | Single phase only |
| Monitoring | Tesla App | Tesla App |
| Backup Gateway required | Yes | Yes |
| Solar connection | AC Coupled Only | 20kW DC + AC Coupled |
*unavailable until sometime in 2025
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