Bluetti B500 vs Growatt ARK 15.3H-A1
Usable capacity: Bluetti B500 –, Growatt ARK 15.3H-A1 –. Both models win equally often (2 of 6 points).
Who wins where
- Bluetti B500
- Growatt ARK 15.3H-A1
Biggest differences
| Fact | B500 | ARK 15.3H-A1 |
|---|---|---|
| Nominal capacity | 4.96 kWh | 15.36 kWh |
| Weight | 58 kg | 172 kg |
| Min. operating temperature | -20 °C | -10 °C |
| Expandable up to | 19.8 kWh | 25.6 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | BluettiB500 | GrowattARK 15.3H-A1 |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Wi-Fi / app | Yes 1 | – |
| Performance | ||
| Nominal capacity | 4.96 kWh 1 | 15.36 kWh ✓ 2 |
| Expandable up to | 19.8 kWh 1 | 25.6 kWh ✓ 2 |
| Discharge power (continuous) | 7.6 kW 1 | – |
| Efficiency | ||
| Depth of discharge | 90 % 1 | 90 % 2 |
| Electrical | ||
| Backup power | Yes 1 | – |
| Off-grid capable | Yes 1 | – |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP65 2 |
| Min. operating temperature | -20 °C ✓ 1 | -10 °C 2 |
| Width | 636 mm 1 | 650 mm 2 |
| Height | 338 mm 1 | 1,265 mm 2 |
| Depth | 325 mm 1 | 260 mm 2 |
| Weight | 58 kg ✓ 1 | 172 kg 2 |
| Warranty & lifespan | ||
| Warranty | 10 years 1 | 10 years 2 |
Sources
- BLUETTI EP760 Spezifikationen, 1 — BLUETTI · accessed 1 Oct 2026
- ARK HV Battery System Datasheet, 2023 — SHENZHEN GROWATT NEW ENERGY CO.,LTD. · accessed 1 Oct 2026