BYD Battery-Box Premium LVL 15.4 vs BYD Battery-Box Premium LVS 12.0
Technical comparison · Low voltage
Two low-voltage BYD modules for the home, with the same voltage and the same declared round-trip efficiency. The choice is between more capacity, the LVL, and a higher ingress protection rating, the LVS.
| Parameter | ||
|---|---|---|
| In brief | ||
| Usable capacity | 15.36 kWh | 12 kWh |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| List price | — | 3600 € |
| Weight | 168 kg | 154 kg |
| Dimensions (W×D×H) | 65 × 57.5 × – cm | 65 × 29.8 × 99.4 cm |
| How long it lasts | ||
| Battery life cycles | 3090 cicli | 2970 cicli |
| The limit that runs out first | energia garantita | energia garantita |
| Warranty | 10 anni | 10 anni |
| Guaranteed throughput | 47.46 MWh | 35.64 MWh |
| Guaranteed remaining capacity | 60 % | 60 % |
| The numbers | ||
| Cost of stored energy | — | 0.106 €/kWh |
| Energy density | 91.4 Wh/kg | 77.9 Wh/kg |
| Identity | ||
| Use tier | F4 — House-sized (8–20 kWh) | F4 — House-sized (8–20 kWh) |
| Price | ||
| Price | — | ~2200–5000 € |
| Category specs | ||
| Depth of discharge | 100 % | 100 % |
| Expandable | Yes | Yes |
| Maximum expanded capacity | 983 kWh | 256 kWh |
| Battery voltage | 51.2 V | 51.2 V |
| Declared compatible inverters | Victron Energy, SMA, Solis, GoodWe, Deye, Sungrow (elenco dichiarato non esaustivo dal produttore) | SMA, Victron Energy, GoodWe, Sungrow, SolarEdge, Solis, Schneider Electric, Deye, Hoymiles, Sosen |
| Round-trip efficiency | 95 % | 95 % |
| Ingress protection | IP20 | IP55 |
| Mounting | Floor standing | Floor standing |
| Minimum temperature | -10 °C | -10 °C |
| Maximum temperature | 50 °C | 50 °C |
| Open protocols | CAN bus | CAN bus |
| Declared standards | CE, UN 38.3, IEC 62619 | CE, UN 38.3, IEC 62619, VDE 2510-50 |
The differences that matter
Manufacturer-declared values.
- 15.36 kWh vs 12 kWh usable, 47.46 MWh vs 35.64 MWh guaranteed energy → the LVL gives more reserve and more energy covered by the warranty.
- Declared expansion up to 983 kWh vs 256 kWh → both far exceed a home's needs: this is not what decides.
- IP20 vs IP55 → the LVL wants a dry indoor room, the LVS tolerates a less sheltered spot.
- Inverters and standards → the LVS lists ten brands and the VDE 2510-50 standard; the LVL six brands, in a list declared non-exhaustive.
Which one to choose
Choose BYD Battery-Box Premium LVL 15.4 if…
you have a dry indoor room and want the largest reserve, perhaps planning to grow the system. You accept low ingress protection and a shorter inverter list that the manufacturer declares non-exhaustive.
Choose BYD Battery-Box Premium LVS 12.0 if…
the room is a garage or a technical space where damp is a risk, or your inverter is SolarEdge, Schneider Electric, Hoymiles or Sosen, which appear only on this model's list. You accept less capacity.
Where to buy
The purchase links are the same as on the two product pages and don't influence the verdict. The product pages have the complete data.