BYD Battery-Box Premium LVL 15.4 vs BYD Battery-Box Premium LVS 20.0
Technical comparison · Low voltage
Same low-voltage (51.2 V) BYD family, with 15.36 and 20 kWh usable. What decides it is where the unit goes: the LVL stands on 65 × 57.5 cm, the LVS is narrow and 146 cm tall but carries a much higher ingress rating.
| Parameter | ||
|---|---|---|
| In brief | ||
| Usable capacity | 15.36 kWh | 20 kWh |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| List price | — | 8000 € |
| Weight | 168 kg | 244 kg |
| Dimensions (W×D×H) | 65 × 57.5 × – cm | 65 × 29.8 × 146 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 | 59.41 MWh |
| Guaranteed remaining capacity | 60 % | 60 % |
| The numbers | ||
| Cost of stored energy | — | 0.142 €/kWh |
| Energy density | 91.4 Wh/kg | 82 Wh/kg |
| Identity | ||
| Use tier | F4 — House-sized (8–20 kWh) | F5 — Large-house-sized (over 20 kWh) |
| Price | ||
| Price | — | ~5000–11000 € |
| Category specs | ||
| Depth of discharge | 100 % | 100 % |
| Expandable | Yes | Yes |
| Maximum expanded capacity | 983 kWh | 20 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
- Capacity and guaranteed energy: 15.36 vs 20 kWh, 47.46 vs 59.41 MWh → over the ten years the LVS warranty covers about 12 MWh more.
- Weight and footprint: 168 kg on 65 × 57.5 cm vs 244 kg on 65 × 29.8 cm → the LVL is 76 kg lighter but takes almost twice the floor area.
- Protection and standards: IP20 vs IP55, and VDE 2510-50 declared only for the LVS → the LVL belongs in a sheltered room.
- Inverters: six brands (list declared non-exhaustive) vs ten → the LVS adds SolarEdge, Schneider Electric and Hoymiles. Figures as declared by the manufacturer.
Which one to choose
Choose BYD Battery-Box Premium LVL 15.4 if…
A house that moves around 15 kWh from day to evening, with a sheltered indoor room and enough floor area: the LVL weighs 168 kg, 76 kg less than the other. You accept less capacity, IP20, and VDE 2510-50 missing from the declared standards.
Choose BYD Battery-Box Premium LVS 20.0 if…
A house that moves up to 20 kWh and has a narrow wall rather than a wide floor: a 65 × 29.8 cm base at 146 cm tall, even in a more exposed room thanks to IP55. You accept 244 kg to carry and position.
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.