Growatt ARK 2.5L vs SolaX T-BAT H 3.0
Usable capacity: Growatt ARK 2.5L 2.3 kWh, SolaX T-BAT H 3.0 2.8 kWh. The SolaX T-BAT H 3.0 is better on 5 of 6 comparable points.
Who wins where
- Growatt ARK 2.5L
- SolaX T-BAT H 3.0
Biggest differences
| Fact | ARK 2.5L | T-BAT H 3.0 |
|---|---|---|
| Min. operating temperature | -10 °C | -30 °C |
| Charge power (continuous) | 1.25 kW | 2.5 kW |
| Discharge power (continuous) | 1.25 kW | 2.5 kW |
| Usable capacity | 2.3 kWh | 2.8 kWh |
| Nominal capacity | 2.56 kWh | 3.1 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | GrowattARK 2.5L | SolaXT-BAT H 3.0 |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Performance | ||
| Usable capacity | 2.3 kWh 1 | 2.8 kWh ✓ 2 |
| Nominal capacity | 2.56 kWh 1 | 3.1 kWh ✓ 2 |
| Charge power (continuous) | 1.25 kW 1 | 2.5 kW ✓ 2 |
| Discharge power (continuous) | 1.25 kW 1 | 2.5 kW ✓ 2 |
| Peak power | – | 3.1 kW 2 |
| Efficiency | ||
| Round-trip efficiency | – | 95 % 2 |
| Depth of discharge | – | 90 % 2 |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP65 2 |
| Min. operating temperature | -10 °C 1 | -30 °C ✓ 2 |
| Width | 650 mm 1 | – |
| Height | 185 mm 1 | – |
| Depth | 260 mm 1 | – |
| Weight | 28 kg 1 | – |
| Warranty & lifespan | ||
| Warranted cycles | – | 6,000 2 |
| Warranty | 10 years 1 | 10 years 2 |
Sources
- ARK LV Battery System, zonder versienummer — SHENZHEN GROWATT NEW ENERGY CO.,LTD. · accessed 1 Oct 2026
- T-BAT H 3.0 V2 Datasheet, V2.6 — SolaX · accessed 29 Sept 2026