BYD Battery-Box Premium LVL 15.4 vs BYD Battery-Box Premium LVS 4.0
Technical comparison · Low voltage
These are two BYD modules from the same family, built for homes of different size: what decides is how much energy you need, 15.36 kWh usable against 4. Ingress protection and installation come after.
| Parameter | ||
|---|---|---|
| In brief | ||
| Usable capacity | 15.36 kWh | 4 kWh |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| List price | — | 1600 € |
| Weight | 168 kg | 64 kg |
| Dimensions (W×D×H) | 65 × 57.5 × – cm | 65 × 29.8 × 52.8 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 | 11.88 MWh |
| Guaranteed remaining capacity | 60 % | 60 % |
| The numbers | ||
| Cost of stored energy | — | 0.142 €/kWh |
| Energy density | 91.4 Wh/kg | 62.5 Wh/kg |
| Identity | ||
| Use tier | F4 — House-sized (8–20 kWh) | F3 — Flat-sized (3–8 kWh) |
| Price | ||
| Price | — | ~1000–2200 € |
| 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
- Usable capacity 15.36 vs 4 kWh → how much of the house a single block can serve before you add modules.
- Weight 168 vs 64 kg → how it is moved and where it can stand.
- Ingress protection IP20 vs IP55 → for the LVL the installation spot has to be chosen first; the LVS has more margin.
- Declared inverter list → the LVS names more brands (including SolarEdge and Hoymiles): check that yours is listed before choosing either.
Which one to choose
Choose BYD Battery-Box Premium LVL 15.4 if…
you want to serve a house with one block instead of stacking small modules; it expands to a declared 983 kWh (manufacturer-declared values). The trade-off: bulk and floor weight, a low ingress rating and a shorter declared inverter list.
Choose BYD Battery-Box Premium LVS 4.0 if…
you start from an apartment or a first storage system and want to grow by modules: up to a declared 256 kWh expanded, and it adds the VDE 2510-50 standard to the list. The trade-off: for more energy you need more modules.
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.