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The BYD Battery-Box Premium LVS 12.0 is a low-voltage storage unit with lithium iron phosphate (LiFePO4) cells, made of 3 modules of 4 kWh and offering 12 kWh of usable energy. Compatible inverters include SMA, Victron Energy, GoodWe, Sungrow, SolarEdge, Solis, Schneider Electric, Deye, Hoymiles and Sosen.
It is floor-mounted, with an IP55 protection rating, and expands up to 64 modules in parallel, equal to 256 kWh. The warranty lasts ten years or until a minimum throughput energy of 35.64 MWh is reached, whichever of the two comes first.
| Parameter | Value | Source |
|---|---|---|
| Dimensions | 65 × 29.8 × 99.4 cm (25.6 × 11.7 × 39.1 in) | manufacturer website |
| Weight | 154.0 kg (339.5 lb) | manufacturer website |
| Usable capacity | 12 kWh | Declared by the brand |
| Depth of discharge | 100 % | Declared by the brand |
| Cell chemistry | LFP (lithium iron phosphate) | Declared by the brand |
| Expandable | Yes | Declared by the brand |
| Maximum expanded capacity | 256 kWh | Declared by the brand |
| Battery voltage | 51.2 V | Declared by the brand |
| Declared compatible inverters | SMA, Victron Energy, GoodWe, Sungrow, SolarEdge, Solis, Schneider Electric, Deye, Hoymiles, Sosen | Declared by the brand |
| Warranty | 10 anni | Declared by the brand |
| Guaranteed throughput | 35.64 MWh | Declared by the brand |
| Guaranteed remaining capacity | 60 % | Declared by the brand |
| Round-trip efficiency | 95 % | Declared by the brand |
| Ingress protection | IP55 | Declared by the brand |
| Mounting | Floor standing | Declared by the brand |
| Minimum temperature | -10 °C | Declared by the brand |
| Maximum temperature | 50 °C | Declared by the brand |
| Open protocols | CAN bus | Declared by the brand |
| Declared standards | CE, UN 38.3, IEC 62619, VDE 2510-50 | Declared by the brand |
| Nominal capacity | — | Not declared |
| Cell supplier | — | Not declared |
| Continuous output | — | Not applicable |
| Phases | — | Not applicable |
| Backup power | — | Not applicable |
| Backup phases | — | Not applicable |
| Switchover time | — | Not applicable |
| Black start | — | Not applicable |
| Grid charging | — | Not applicable |
| Dynamic tariffs | — | Not applicable |
| EV charger integration | — | Not applicable |
| Heat pump integration | — | Not applicable |
| Virtual power plant | — | Not applicable |
| Rated cycles | — | Not declared |
| Capacity at end of cycle life | — | Not declared |
| Standby consumption | — | Not declared |
| Cell heating | — | Not declared |
| Noise level | — | Not declared |
| Battery passport | — | Not declared |
| Carbon footprint | — | Not declared |
| Recycled content | — | Not declared |
| Grid connection power | — | Not applicable |
| Official list price | — | Not declared |
The rest of the data comes from one page on the manufacturer's site, cited row by row in the table above.
A manual or a datasheet counts as a source even when the original file is hosted elsewhere: what matters is the document, not the server. Where that happens, it is stated above.
These numbers are calculated, not stated: they have no source to cite, they have a formula you can redo. The price used is the manufacturer's list price, which is stable and the same in every country — not a shop's price on the day.
