BYD Battery-Box Premium HVS 5.1 vs SolaX TP-HS50E
Usable capacity: BYD Battery-Box Premium HVS 5.1 5.12 kWh, SolaX TP-HS50E 4.6 kWh. Both models win equally often (2 of 7 points).
Who wins where
- BYD Battery-Box Premium HVS 5.1
- SolaX TP-HS50E
Biggest differences
| Fact | Battery-Box Premium HVS 5.1 | TP-HS50E |
|---|---|---|
| Min. operating temperature | -10 °C | -30 °C |
| Weight | 91 kg | 47 kg |
| Expandable up to | 38.4 kWh | 20.4 kWh |
| Usable capacity | 5.12 kWh | 4.6 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | BYDBattery-Box Premium HVS 5.1 | SolaXTP-HS50E |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Performance | ||
| Usable capacity | 5.12 kWh ✓ 1 | 4.6 kWh 2 |
| Nominal capacity | – | 5.1 kWh 2 |
| Expandable up to | 38.4 kWh ✓ 1 | 20.4 kWh 2 |
| Charge power (continuous) | – | 3 kW 2 |
| Discharge power (continuous) | – | 3 kW 2 |
| Peak power | – | 5.1 kW 2 |
| Efficiency | ||
| Round-trip efficiency | 96 % 1 | – |
| Electrical | ||
| Backup power | Yes 1 | Yes 2 |
| Off-grid capable | Yes 1 | Yes 2 |
| Dimensions & weight | ||
| IP rating | IP55 1 | IP66 2 |
| Min. operating temperature | -10 °C 1 | -30 °C ✓ 2 |
| Width | 585 mm 1 | 730 mm 2 |
| Height | 762 mm 1 | 318 mm 2 |
| Depth | 298 mm 1 | 150 mm 2 |
| Weight | 91 kg 1 | 47 kg ✓ 2 |
| Warranty & lifespan | ||
| Warranted cycles | – | 6,000 2 |
| Warranty | 10 years 1 | 10 years 2 |
Sources
- Battery-Box Premium HVS – datasheet, BCU2.0 V1.0 EN (28.03.2025) — BYD Lithium Battery Co., Ltd. · accessed 27 Sept 2026
- SolaX X1-IES All-in-one Residential ESS, V1.7 (tekst herkend met OCR) — SolaX Power · accessed 01 Oct 2026