Batteries & Storage
We install the best home battery products on the market — chosen for reliability, safety, and long-term support. Every battery comes with our installation guarantee.
Home Battery Storage
Powerwall 3
Premium whole-home backup with integrated solar inverter. 13.5 kWh usable, 11.5 kW continuous backup output, IP67 weatherproof.
- 13.5 kWh
- Integrated Inverter
- 11.5 kW Backup
- IP67
SigenStor Battery
Modular 8 kWh battery modules paired with flexible inverter sizes. All-in-one hybrid stack designed to scale with your home.
- 8 kWh Modules
- Flexible Inverter
- Modular Stack
- 10yr Warranty
HM5/6 & HM20
Modular LFP storage with built-in hybrid inverter. HM5/6 stacks 5–30 kWh single phase; HM20 reaches 90 kWh three phase.
- 5–90 kWh
- LFP Chemistry
- 5-Layer Safety
- IP66
ESA Battery
All-in-one hybrid battery with integrated inverter. Modular LFP storage that scales with your inverter size — IP65 outdoor-rated.
- All-in-One
- LFP Chemistry
- IP65 Outdoor
- 10yr Warranty
Why Buy Through Solar Plus Electrical?
We're not a battery reseller — we're your licensed installer and ongoing service partner.
SAA-accredited installers
Clean Energy Council accredited. All work under our Electrical Contractor Licence.
No subcontractors
Your system is installed by our own team — the same people you can call if anything needs attention.
Honest sizing advice
We use your actual usage data to recommend the right capacity, not the most expensive option.
Long-term support
We're here after installation — for monitoring questions, maintenance, or system upgrades.