BYD Battery-Box Premium HVS 12.8 vs E3/DC S10 X COMPACT
Usable capacity: BYD Battery-Box Premium HVS 12.8 12.8 kWh, E3/DC S10 X COMPACT 11.2 kWh. The BYD Battery-Box Premium HVS 12.8 is better on 2 of 3 comparable points.
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Both models in detail
Who wins where
- BYD Battery-Box Premium HVS 12.8
- E3/DC S10 X COMPACT
Biggest differences
| Fact | Battery-Box Premium HVS 12.8 | S10 X COMPACT |
|---|---|---|
| Min. operating temperature | -10 °C | 5 °C |
| Usable capacity | 12.8 kWh | 11.2 kWh |
Score per area = position (0–100) relative to all 140 models in this category; higher is better.
| Technical specifications | BYDBattery-Box Premium HVS 12.8 | E3/DCS10 X COMPACT |
|---|---|---|
| General | ||
| Cell chemistry | LFP1 | LFP2 |
| Smart charging on dynamic prices | – | Yes2 |
| Performance | ||
| Usable capacity | 12.8 kWh✓1 | 11.2 kWh2 |
| Expandable up to | 38.4 kWh1 | – |
| Charge power (continuous) | – | 6 kW2 |
| Discharge power (continuous) | – | 6 kW2 |
| Efficiency | ||
| Round-trip efficiency | 96 %1 | – |
| Electrical | ||
| Phases | – | 32 |
| Backup power | Yes1 | – |
| Off-grid capable | Yes1 | – |
| Dimensions & weight | ||
| IP rating | IP551 | IP202 |
| Min. operating temperature | -10 °C✓1 | 5 °C2 |
| Width | 585 mm1 | 590 mm2 |
| Height | 1,461 mm1 | – |
| Depth | 298 mm1 | 500 mm2 |
| Weight | 205 kg1 | – |
| Warranty & lifespan | ||
| Warranty | 10 years1 | 10 years2 |
Frequently asked questions
Which is better: the BYD Battery-Box Premium HVS 12.8 or the E3/DC S10 X COMPACT?
Usable capacity: BYD Battery-Box Premium HVS 12.8 12.8 kWh, E3/DC S10 X COMPACT 11.2 kWh. The BYD Battery-Box Premium HVS 12.8 is better on 2 of 3 comparable points.
What is the usable capacity of the BYD Battery-Box Premium HVS 12.8 and the E3/DC S10 X COMPACT?
BYD Battery-Box Premium HVS 12.8: 12.8 kWh. E3/DC S10 X COMPACT: 11.2 kWh.
Which is better on min. operating temperature: the BYD Battery-Box Premium HVS 12.8 or the E3/DC S10 X COMPACT?
BYD Battery-Box Premium HVS 12.8: -10 °C. E3/DC S10 X COMPACT: 5 °C.
Related comparisons
How we collect and check this data →
Sources
- Battery-Box Premium HVS – datasheet, BCU2.0 V1.0 EN (28.03.2025) — BYD Lithium Battery Co., Ltd. · accessed Sep 27, 2026
- Technische Daten Hauskraftwerk S10 X (Aufbauvariante COMPACT), 25. September 2026 — HagerEnergy GmbH · accessed Sep 29, 2026