Compare battery systems
Both systems are installed by our own licensed team. The right choice comes down to how much storage you need, whether you want backup, and how you plan to expand later.
| Feature | GOODWE GoodWe ESA All-in-One Battery System | SIGENERGY Sigenergy SigenStor Energy System |
|---|---|---|
| ev | AC EV charging can be added separately | Optional Sigenergy DC EV charging hardware |
| phase | Single phase and three phase | Single phase and three phase controllers |
| backup | Whole-home backup capability where the site suits | Essential circuits or whole-home options |
| bestFor | Larger storage capacity at a strong installed price | Advanced monitoring, expansion and future EV integration |
| gateway | No separate gateway required | Gateway available for backup and energy management |
| capacity | 9–54 kWh nominal in 9 kWh modules (8.7 kWh usable each) | 9–45 kWh usable in listed packages; BAT 10.0 modules deliver 9 kWh usable each |
| inverter | 9.999 kW single phase / 20 kW three phase | Multiple energy controller outputs, confirmed per site |
| retrofit | Designed to retrofit alongside compatible existing solar | Suits retrofit and new solar, confirmed during assessment |
| warranty | 10 years | 10 years |
| monitoring | GoodWe SEMS Portal | mySigen App |
| installation | Wall or floor mounted all-in-one unit | Modular stacked cabinet |
| expandability | One to six modules in the listed packages | Up to six modules per controller, subject to design |
| Installed price | Price on enquiry | Price on enquiry |
| Configure | Configure |
Who GoodWe ESA All-in-One Battery System suits
Strong value for customers wanting substantial battery capacity, a high-output hybrid inverter and straightforward backup capability.
Who Sigenergy SigenStor Energy System suits
Premium modular platform for customers prioritising advanced monitoring, expansion, backup flexibility and future EV integration.
Final system sizing, inclusions and pricing are confirmed by a licensed Bond Energy Solutions electrician after a site assessment.