Alpha ESS SMILE-G3-B5 vs SolaX TP-HS50E


Usable capacity: Alpha ESS SMILE-G3-B5 3.8 kWh, SolaX TP-HS50E 4.6 kWh. The Alpha ESS SMILE-G3-B5 is better on 3 of 8 comparable points.
Who wins where
- Alpha ESS SMILE-G3-B5
- SolaX TP-HS50E
Biggest differences
| Fact | SMILE-G3-B5 | TP-HS50E |
|---|---|---|
| Expandable up to | 38.4 kWh | 20.4 kWh |
| Charge power (continuous) | 5 kW | 3 kW |
| Discharge power (continuous) | 5 kW | 3 kW |
| Nominal capacity | 4 kWh | 5.1 kWh |
| Usable capacity | 3.8 kWh | 4.6 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | Alpha ESSSMILE-G3-B5 | SolaXTP-HS50E |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Wi-Fi / app | Yes 1 | – |
| Performance | ||
| Usable capacity | 3.8 kWh 1 | 4.6 kWh ✓ 2 |
| Nominal capacity | 4 kWh 1 | 5.1 kWh ✓ 2 |
| Expandable up to | 38.4 kWh ✓ 1 | 20.4 kWh 2 |
| Charge power (continuous) | 5 kW ✓ 1 | 3 kW 2 |
| Discharge power (continuous) | 5 kW ✓ 1 | 3 kW 2 |
| Peak power | – | 5.1 kW 2 |
| Efficiency | ||
| Depth of discharge | 95 % 1 | – |
| Electrical | ||
| Coupling | AC-coupled 1 | – |
| Backup power | Yes 1 | Yes 2 |
| Off-grid capable | Yes 1 | Yes 2 |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP66 2 |
| Min. operating temperature | – | -30 °C 2 |
| Width | – | 730 mm 2 |
| Height | – | 318 mm 2 |
| Depth | – | 150 mm 2 |
| Weight | – | 47 kg 2 |
| Warranty & lifespan | ||
| Warranted cycles | – | 6,000 2 |
| Warranty | 10 years 1 | 10 years 2 |
Sources
- Alpha ESS SMILE-G3-S3.6 / S5 / B5 Datasheet, V01.13122024 — Alpha ESS Co., Ltd. · accessed 29 Sept 2026
- SolaX X1-IES All-in-one Residential ESS, V1.7 (tekst herkend met OCR) — SolaX Power · accessed 1 Oct 2026