BYD Battery-Box Premium HVM 22.1 vs Huawei LUNA2000-14-S1
Technical comparison · High voltage
Two high-voltage LFP home batteries, 22.08 kWh usable for the BYD against 13.8 for the Huawei: the question is how much energy is really needed, and right after it which inverter is on the roof. The BYD pairs with sixteen brands, the Huawei only with its own SUN2000 and SUN5000. Values as declared by the manufacturers.
| Parameter | ||
|---|---|---|
| In brief | ||
| Usable capacity | 22.08 kWh | 13.8 kWh |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| Cost per kWh | — | 579.71 €/kWh |
| List price | — | 8000 € |
| Weight | — | 148 kg |
| Dimensions (W×D×H) | 58.5 × 29.8 × 216 cm | 59 × 25.5 × 87 cm |
| How long it lasts | ||
| Battery life cycles | 3094 cicli | 1825 cicli |
| The limit that runs out first | energia garantita | anni di garanzia |
| Rated cycles | 3650 cicli | 5000 cicli |
| Capacity at end of cycle life | — | 80 % |
| Warranty | 10 anni | 5 anni |
| Guaranteed throughput | 68.31 MWh | 28.84 MWh |
| Guaranteed remaining capacity | 60 % | 60 % |
| The numbers | ||
| Cost of stored energy | — | 0.318 €/kWh |
| Energy density | — | 93.2 Wh/kg |
| Identity | ||
| Use tier | F5 — Large-house-sized (over 20 kWh) | F4 — House-sized (8–20 kWh) |
| Price | ||
| Price | — | ~5000–11000 € |
| Category specs | ||
| Depth of discharge | 100 % | 100 % |
| Expandable | Yes | Yes |
| Maximum expanded capacity | 66.2 kWh | — |
| Battery voltage | 409.6 V | — |
| Declared compatible inverters | Sedici marchi nell'elenco ufficiale: Fronius, GoodWe, Viessmann, KOSTAL, SMA, Sungrow, GE, KACO, KACO NH, Ingeteam, Solis, Canadian Solar, Deye, Solplanet, Western CO, Sosen. Per ciascun modello l'elenco dà il numero di moduli ammessi e la versione minima del firmware. | Solo inverter Huawei — SUN2000-2/3/3.68/4/4.6/5/6KTL-L1, SUN2000-3/3.68/4/4.6/5/6K-LB0, SUN2000-8/10K-LC0, SUN2000-3/4/5/6/8/10KTL-M1, SUN2000-5/6/8/10/12K-MAP0, SUN2000-12/15/17/20/25K-MB0, SUN5000-3/6K-LB0, SUN5000-8/12K-MAP0, SUN5000-17/25K-MB0 |
| Maximum charge power | — | 7 kW |
| Grid charging | — | Yes |
| Round-trip efficiency | 96 % | — |
| Ingress protection | IP55 | IP66 |
| Mounting | Floor standing | Floor standing |
| Minimum temperature | -10 °C | -20 °C |
| Maximum temperature | 50 °C | 55 °C |
| Noise level | — | 29 dB |
| Works without internet | Fully | With limitations |
| Local control | Local network | — |
| Open protocols | CAN bus | — |
| App required for setup | Yes | Yes |
| Declared standards | CE, UN 38.3, IEC 62619, VDE 2510-50 | CE, UN 38.3, IEC 62619 |
The differences that matter
- Warranty: 10 years or 68.31 MWh versus 5 years (28.84 MWh) → at one full cycle a day the BYD reaches its energy cap after about 8.5 years, inside the 10; the Huawei runs out after 5.
- Height: 216 cm versus 87 cm → the BYD needs a room with a high ceiling, the Huawei fits a low bay.
- Inverter: sixteen brands on BYD's list versus only Huawei SUN2000 and SUN5000 → with the BYD you keep your inverter or change it later; with the Huawei, battery and inverter are chosen together.
Which one to choose
Choose BYD Battery-Box Premium HVM 22.1 if…
demand is high and you want to cover it with a single column, paired with an inverter from BYD's list: at one full cycle a day the 68.31 MWh cap arrives after about 8.5 years, inside the 10-year warranty. If the router drops the house keeps running, with control over the local network. In return you need a room with more than 216 cm of usable height, rated IP55 and operating from −10 °C.
Choose Huawei LUNA2000-14-S1 if…
the inverter is already a Huawei SUN2000 or SUN5000, demand fits within 13.8 kWh and there is no room for a column over two metres tall: the LUNA2000-14-S1 is 87 cm tall, rated IP66 and for operation down to −20 °C. The trade-off: a 5-year warranty, no other inverter brands and reduced operation without internet.
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.