Home battery storage
Growatt AXE 15kWh
Growatt AXE 15 kWh LiFePO4 battery: extra capacity for home and EV with strong value for money. Supply plus certified installation.
Price
Warranty
10 years or 6000 cycles
About this product
Why choose 15 kWh over other sizes
The Growatt AXE 15 kWh battery is designed for users who need more storage than the standard 10 kWh but want to stay in the best‑value product line.
It is ideal for homes with higher consumption, 6–8 kWp PV systems and one or more large loads, where you also want to start using surplus solar to partially charge an electric vehicle.
Compared to AXE 10 kWh, this model offers more headroom for cloudy days and consumption peaks while still keeping overall investment lower than many high‑end large‑capacity solutions.
Specifications
Frequently Asked Questions
When does it make sense to move from AXE 10 kWh to 15 kWh?
When your household consumption is higher, you have more PV power installed or you are starting to integrate an EV that you want to charge from solar surplus.
Is AXE 15 kWh still a value‑focused option?
Yes. Even with the larger capacity, the AXE line keeps a very competitive cost per kWh compared to similar premium solutions.
Can I further expand beyond 15 kWh?
You can add more AXE modules to increase total capacity if your energy use grows over time.
Documents
User manual
Quick start
Certifications
Other documents
Other ways to go solar with us
If a ready-made kit isn't quite what you need, pick the path that fits.
Auto-design
Tell us your address and share a recent electricity bill — we size the system, estimate savings, and show a ready proposal.
Best if: you don’t know how many kW you need yet.
Builder
Pick each component yourself: panels, inverter, battery, EV charger. Live price as you go.
Best if: off-grid, hybrid, or a specific brand in mind.