Alpha ESS SMILE-G3-T8 vs Bluetti B500


Usable capacity: Alpha ESS SMILE-G3-T8 3.65 kWh, Bluetti B500 –. The Alpha ESS SMILE-G3-T8 is better on 3 of 6 comparable points.
Who wins where
- Alpha ESS SMILE-G3-T8
- Bluetti B500
Biggest differences
| Fact | SMILE-G3-T8 | B500 |
|---|---|---|
| Expandable up to | 43.8 kWh | 19.8 kWh |
| Depth of discharge | 95 % | 90 % |
| Discharge power (continuous) | 8 kW | 7.6 kW |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | Alpha ESSSMILE-G3-T8 | BluettiB500 |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Wi-Fi / app | Yes 1 | Yes 2 |
| Performance | ||
| Usable capacity | 3.65 kWh 1 | – |
| Nominal capacity | – | 4.96 kWh 2 |
| Expandable up to | 43.8 kWh ✓ 1 | 19.8 kWh 2 |
| Charge power (continuous) | 8 kW 1 | – |
| Discharge power (continuous) | 8 kW ✓ 1 | 7.6 kW 2 |
| Efficiency | ||
| Depth of discharge | 95 % ✓ 1 | 90 % 2 |
| Electrical | ||
| Backup power | Yes 1 | Yes 2 |
| Off-grid capable | – | Yes 2 |
| Dimensions & weight | ||
| IP rating | – | IP65 2 |
| Min. operating temperature | – | -20 °C 2 |
| Width | – | 636 mm 2 |
| Height | – | 338 mm 2 |
| Depth | – | 325 mm 2 |
| Weight | – | 58 kg 2 |
| Warranty & lifespan | ||
| Warranty | 10 years 1 | 10 years 2 |
Sources
- SMILE-G3-T4/T5/T6/T8/T10 Residential Series, V09.15012025 — Alpha ESS · accessed 29 Sept 2026
- BLUETTI EP760 Spezifikationen, 1 — BLUETTI · accessed 1 Oct 2026