Growatt ARK 25.6L vs Sungrow SBR256
Usable capacity: Growatt ARK 25.6L 23.04 kWh, Sungrow SBR256 25.6 kWh. The Sungrow SBR256 is better on 3 of 5 comparable points.
Who wins where
- Growatt ARK 25.6L
- Sungrow SBR256
Biggest differences
| Fact | ARK 25.6L | SBR256 |
|---|---|---|
| Min. operating temperature | -10 °C | -20 °C |
| Usable capacity | 23.04 kWh | 25.6 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | GrowattARK 25.6L | SungrowSBR256 |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Performance | ||
| Usable capacity | 23.04 kWh 1 | 25.6 kWh ✓ 2 |
| Nominal capacity | 25.64 kWh ✓ 1 | 25.6 kWh 3 |
| Charge power (continuous) | 5 kW 1 | – |
| Discharge power (continuous) | 5 kW 1 | – |
| Efficiency | ||
| Depth of discharge | – | 100 % 2 |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP55 2 |
| Min. operating temperature | -10 °C 1 | -20 °C ✓ 2 |
| Width | 650 mm 1 | 625 mm 2 |
| Height | 1,805 mm 1 | 1,195 mm 2 |
| Depth | 260 mm 1 | 330 mm 2 |
| Weight | 280 kg 1 | 279 kg ✓ 2 |
| Warranty & lifespan | ||
| Warranty | 10 years 1 | 10 years 2 |
Sources
- ARK LV Battery System, zonder versienummer — SHENZHEN GROWATT NEW ENERGY CO.,LTD. · accessed 01 Oct 2026
- Hochspannungs-LFP-Batterie SBR096/128/160/192/224/256, 14 — Sungrow Power Supply Co., Ltd. · accessed 29 Sept 2026
- CEC approved solar batteries (Australia) — Clean Energy Regulator (Australian Government), CC BY 4.0 · accessed 29 Sept 2026