BYD Battery-Box Premium HVS
BYD states 5.12 kWh (BYD Battery-Box Premium HVS 5.1) to 12.8 kWh (BYD Battery-Box Premium HVS 12.8) usable energy and 2.56 kWh nominal energy (per module).
Warranty terms: 10 years; 10 years (BYD Battery-Box Premium HVS/HVM, Australia); 10 years (BYD Battery-Box Premium HVS/HVM, Europe); warranted throughput: 15.41 MWh (BYD Battery-Box Premium HVS 5.1, Europe); warranted throughput: 15.41 MWh (BYD Battery-Box Premium HVS 5.1, Australia); warranted throughput: 38.53 MWh (BYD Battery-Box Premium HVS 12.8, Europe); warranted throughput: 38.53 MWh (BYD Battery-Box Premium HVS 12.8, Australia); capacity at warranty end: 60% (BYD Battery-Box Premium HVS/HVM, Europe); capacity at warranty end: 70% (BYD Battery-Box Premium HVS/HVM, Australia).
Brand: BYD
Published figures
No figures have been collected for continuous power, motor-start current, and units per system.
| Figure | Value | Publisher | Source |
|---|---|---|---|
| Usable energy, BYD Battery-Box Premium HVS 5.1 | 5.12 kWh | Manufacturer Not yet checked | Spec sheet, at p2, PERFORMANCE, retrieved Sep 23, 2026, dated Mar 28, 2025 |
| Usable energy, BYD Battery-Box Premium HVS 12.8 | 12.8 kWh | Manufacturer Not yet checked | Spec sheet, at p2, PERFORMANCE, retrieved Sep 23, 2026, dated Mar 28, 2025 |
| Nominal energy, per module | 2.56 kWh | Manufacturer Not yet checked | Spec sheet, at p2, PERFORMANCE, retrieved Sep 23, 2026, dated Mar 28, 2025 |
| Round-trip efficiency | 96% | Manufacturer Not yet checked | Spec sheet, at p2, GENERAL DATA, retrieved Sep 23, 2026, dated Mar 28, 2025 |
| Lowest operating temperature | −10°C | Manufacturer Not yet checked | Spec sheet, at p2, GENERAL DATA, retrieved Sep 23, 2026, dated Mar 28, 2025 |
| Highest operating temperature | 50°C | Manufacturer Not yet checked | Spec sheet, at p2, GENERAL DATA, retrieved Sep 23, 2026, dated Mar 28, 2025 |
Stated temperature limits
Stated operating range: 14°F (−10°C) to 122°F (50°C).
Warranty terms
| Term | Figure | Document |
|---|---|---|
| Warranty | 10 years | Spec sheet, at p2, GENERAL DATA, retrieved Sep 23, 2026, dated Mar 28, 2025 |
| Warranty, Australia | BYD Battery-Box Premium HVS/HVM: 10 years | Warranty, at p1, cl. 1.2, retrieved Sep 23, 2026, dated Oct 8, 2024 |
| Warranty, Europe | BYD Battery-Box Premium HVS/HVM: 10 years | Warranty, at p1, cl. 1.2, retrieved Sep 23, 2026, dated Nov 25, 2021 |
| Warranted throughput, Europe | BYD Battery-Box Premium HVS 5.1: 15.41 MWh | Warranty, at p2 (EU) / p1 (AU), performance table, retrieved Sep 23, 2026, dated Nov 25, 2021 |
| Warranted throughput, Australia | BYD Battery-Box Premium HVS 5.1: 15.41 MWh | Warranty, at p2 (EU) / p1 (AU), performance table, retrieved Sep 23, 2026, dated Oct 8, 2024 |
| Warranted throughput, Europe | BYD Battery-Box Premium HVS 12.8: 38.53 MWh | Warranty, at p2 (EU) / p1 (AU), performance table, retrieved Sep 23, 2026, dated Nov 25, 2021 |
| Warranted throughput, Australia | BYD Battery-Box Premium HVS 12.8: 38.53 MWh | Warranty, at p2 (EU) / p1 (AU), performance table, retrieved Sep 23, 2026, dated Oct 8, 2024 |
| Capacity at warranty end, Europe | BYD Battery-Box Premium HVS/HVM: 60% | Warranty, at p1, cl. 1.3(a), retrieved Sep 23, 2026, dated Nov 25, 2021 |
| Capacity at warranty end, Australia | BYD Battery-Box Premium HVS/HVM: 70% | Warranty, at p1, cl. 1.3(a), retrieved Sep 23, 2026, dated Oct 8, 2024 |
Features the manufacturer states
| Feature | Stated | Source |
|---|---|---|
| Chemistry | LFP Not yet checked | Spec sheet, at p2, GENERAL DATA, retrieved Sep 23, 2026, dated Mar 28, 2025 |
Government and program lists
This product is on none of the lists this site reads.
Installs
No install count this site publishes covers this product.
Recalls and safety notices
No notice in the recall sources this site reads is matched to this product. That is not a safety finding. See every recall notice.
Backup hours from your load
This battery has no maker-stated continuous power on this site.