The SigenStor modular system, which combines a hybrid inverter, LFP battery and optional EV charging in a single stackable tower.
Sigenergy at a glance
| Known for | The SigenStor modular system, which combines a hybrid inverter, LFP battery and optional EV charging in a single stackable tower. |
| Typical capacity | Roughly 5 kWh to 48 kWh, stackable in modules |
| Popular models | Sigenergy SigenStor (modular), Sigenergy hybrid inverter and battery |
| Rebates | Federal discount + your state incentive |
Why people choose Sigenergy
- All-in-one SigenStor design keeps the install tidy and easy to expand later.
- Uses lithium iron phosphate (LFP) chemistry, valued for safety and long life.
- Optional built-in EV charging, so one system can grow with your home.
- VPP-ready and eligible for the federal battery discount and most state incentives.
Sigenergy cost after rebates
The headline price matters less than the after-rebate price. The federal Cheaper Home Batteries discount takes roughly 30% off an eligible Sigenergy battery, and your state incentive stacks on top. For a full breakdown by size, see how much a solar battery costs, or get your number instantly with the savings calculator.
Is Sigenergy the right brand for you?
There is no single best battery, only the best fit for your home. If you want to compare Sigenergy against the other leading options, see how to choose the best solar battery. When you are ready, we match you with one accredited installer who fits the right brand to your needs.