BYD Battery-Box Premium HVM 19.3 vs SMA Home Storage 19.6
Usable capacity: BYD Battery-Box Premium HVM 19.3 19.32 kWh, SMA Home Storage 19.6 19.68 kWh. The BYD Battery-Box Premium HVM 19.3 is better on 2 of 6 comparable points.
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Both models in detail
Who wins where
- BYD Battery-Box Premium HVM 19.3
- SMA Home Storage 19.6
Biggest differences
| Fact | Battery-Box Premium HVM 19.3 | Home Storage 19.6 |
|---|---|---|
| Expandable up to | 66.2 kWh | 19.68 kWh |
Score per area = position (0–100) relative to all 140 models in this category; higher is better.
| Technical specifications | BYDBattery-Box Premium HVM 19.3 | SMAHome Storage 19.6 |
|---|---|---|
| General | ||
| Cell chemistry | LFP1 | LFP2 |
| Performance | ||
| Usable capacity | 19.32 kWh1 | 19.68 kWh✓2 |
| Expandable up to | 66.2 kWh✓1 | 19.68 kWh2 |
| Efficiency | ||
| Round-trip efficiency | 96 %✓1 | 94.5 %2 |
| Electrical | ||
| Coupling | – | DC-coupled2 |
| Backup power | Yes1 | Yes2 |
| Off-grid capable | Yes1 | – |
| Dimensions & weight | ||
| IP rating | IP551 | IP652 |
| Min. operating temperature | -10 °C1 | -10 °C2 |
| Width | 585 mm1 | – |
| Height | 1,927 mm1 | – |
| Depth | 298 mm1 | – |
| Weight | – | 228 kg2 |
| Warranty & lifespan | ||
| Warranty | 10 years1 | 10 years2 |
Frequently asked questions
Which is better: the BYD Battery-Box Premium HVM 19.3 or the SMA Home Storage 19.6?
Usable capacity: BYD Battery-Box Premium HVM 19.3 19.32 kWh, SMA Home Storage 19.6 19.68 kWh. The BYD Battery-Box Premium HVM 19.3 is better on 2 of 6 comparable points.
What is the usable capacity of the BYD Battery-Box Premium HVM 19.3 and the SMA Home Storage 19.6?
BYD Battery-Box Premium HVM 19.3: 19.32 kWh. SMA Home Storage 19.6: 19.68 kWh.
Which is better on expandable up to: the BYD Battery-Box Premium HVM 19.3 or the SMA Home Storage 19.6?
BYD Battery-Box Premium HVM 19.3: 66.2 kWh. SMA Home Storage 19.6: 19.68 kWh.
Which is better on round-trip efficiency: the BYD Battery-Box Premium HVM 19.3 or the SMA Home Storage 19.6?
BYD Battery-Box Premium HVM 19.3: 96 %. SMA Home Storage 19.6: 94.5 %.
Related comparisons
How we collect and check this data →
Sources
- Battery-Box Premium HVM – datasheet, BCU2.0 V1.0 EN (28.03.2025) — BYD Lithium Battery Co., Ltd. · accessed 27 Sept 2026
- SMA Home Storage – datasheet, HS-BM-10-DS-en-20 (last revised 08/2026) — SMA Solar Technology AG · accessed 27 Sept 2026