Sungrow Battery Review
budgetSungrow is one of the world's largest solar inverter makers, and their SBR battery range pairs seamlessly with Sungrow inverters. Modular design (3.2kWh increments up to 25.6kWh) and entry pricing from around $9,000 installed make them a strong value proposition. If you already have a Sungrow inverter, this is the natural battery choice.
$9,000-$21,500
Installed price range
10 years
Warranty period
China
Country of origin
3
Products available
Sungrow Battery Models
Prices are NZD installed, GST inclusive, indicative June 2026. Specs are indicative - confirm current models with your installer.
| Model | Capacity | Peak Output | Continuous | Chemistry | Weight | Backup | Price |
|---|---|---|---|---|---|---|---|
| Sungrow SBR064 6.4kWh | 6.4kWh | 5kW | 5kW | LFP | 56kg | Yes | $9,000-$11,000 |
| Sungrow SBR128 12.8kWh | 12.8kWh | 10kW | 10kW | LFP | 112kg | Yes | $12,000-$14,500 |
| Sungrow SBR256 25.6kWh | 25.6kWh | 20kW | 20kW | LFP | 224kg | Yes | $17,500-$21,500 |
Warranty Details
Duration
10 years
Cycle life
6,000 cycles
Capacity retention
70% at end of warranty
Pros
- Seamless pairing with Sungrow inverters
- Competitive per-kWh pricing
- Modular in 3.2kWh increments
- LFP chemistry
- One of the cheapest entry points to home storage
Cons
- Best with a Sungrow inverter (less flexible than BYD)
- Newer to the battery market vs Tesla/BYD
- App could be more polished
Compare Sungrow with Other Brands
Frequently Asked Questions
How much does a Sungrow battery cost in New Zealand?
A Sungrow battery costs $9,000-$21,500 fully installed in New Zealand, GST inclusive (indicative June 2026). There is no government battery rebate here. Bank green home loan top-ups at about 0-1% promo rates are the main way to spread the cost, and battery prices are falling 10-15% a year.
What warranty does Sungrow offer?
Sungrow offers a 10-year warranty or 6,000 cycles (whichever comes first), guaranteeing at least 70% capacity retention.
Is Sungrow a good battery for New Zealand homes?
Sungrow is homeowners with sungrow inverters, or those wanting a reliable budget-friendly battery. Sungrow is one of the world's largest solar inverter makers, and their SBR battery range pairs seamlessly with Sungrow inverters. Modular design (3.