Huawei LUNA2000-21-S1 vs SMA Home Storage 3.2
Technical comparison · High voltage
Huawei LUNA2000-21-S1 and SMA Home Storage 3.2 are not direct competitors: different use classes. SMA Home Storage 3.2 is the entry-level choice; Huawei LUNA2000-21-S1 offers more capability in a higher class. Judge them by budget, not head-to-head.
| Parameter |
LUNA2000-21-S1
Huawei
F5 · Large-house-sized (over 20 kWh)
|
Home Storage 3.2
SMA
F3 · Flat-sized (3–8 kWh)
|
|---|---|---|
| In brief | ||
| Usable capacity | 20.7 kWh | 3.28 kWh |
| Cell chemistry | LFP (lithium iron phosphate) | LFP (lithium iron phosphate) |
| Cost per kWh | 386.47 €/kWh | — |
| List price | 8000 € | — |
| Weight | 216 kg | 38 kg |
| Dimensions (W×D×H) | 59 × 25.5 × 123 cm | 61 × 21.46 × 48.3 cm |
| How long it lasts | ||
| Battery life cycles | 1393 cicli | 730 cicli |
| The limit that runs out first | energia garantita | anni di garanzia |
| Rated cycles | 5000 cicli | 8000 cicli |
| Capacity at end of cycle life | 80 % | 60 % |
| Warranty | 5 anni | 2 anni |
| Guaranteed throughput | 28.84 MWh | 23.616 MWh |
| Guaranteed remaining capacity | 60 % | 60 % |
| The numbers | ||
| Cost of stored energy | 0.277 €/kWh | — |
| Energy density | 95.8 Wh/kg | 86.3 Wh/kg |
| Identity | ||
| Use tier | F5 — Large-house-sized (over 20 kWh) | F3 — Flat-sized (3–8 kWh) |
| Price | ||
| Price | ~5000–11000 € | — |
| Category specs | ||
| Depth of discharge | 100 % | 100 % |
| Expandable | Yes | Yes |
| Maximum expanded capacity | — | 16.4 kWh |
| Battery voltage | — | 96 V |
| Declared compatible inverters | 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 | Compatibile solo con l'inverter monofase SMA Sunny Boy Smart Energy, che con questo modulo singolo supporta da 1 a 4 moduli SMA Home Storage. Non compatibile con il trifase Sunny Tripower Smart Energy, che richiede almeno 2 moduli. Non retrofittabile sui vecchi Sunny Boy Storage (SBS2.5-1VL-10, SBS3.7-10-SBS6.0-10) né con inverter di altri marchi. |
| Maximum charge power | 10.5 kW | — |
| Grid charging | Yes | — |
| Round-trip efficiency | — | 94.5 % |
| Standby consumption | — | 2 W |
| Ingress protection | IP66 | IP65 |
| Mounting | Floor standing | Wall mounted |
| Minimum temperature | -20 °C | -10 °C |
| Maximum temperature | 55 °C | 50 °C |
| Noise level | 29 dB | — |
| Works without internet | With limitations | — |
| Remote updates | — | Can be disabled |
| App required for setup | Yes | — |
| Declared standards | CE, UN 38.3, IEC 62619 | CE, UN 38.3, IEC 62619, IEC 62477, VDE 2510-50 |
The differences that matter
- Usable capacity: Huawei LUNA2000-21-S1 20.7 kWh vs SMA Home Storage 3.2 3.28 kWh
- Warranty: Huawei LUNA2000-21-S1 5 years vs SMA Home Storage 3.2 2 years
- Guaranteed throughput: Huawei LUNA2000-21-S1 28.84 MWh vs SMA Home Storage 3.2 23.616 MWh
- Ingress protection: Huawei LUNA2000-21-S1 IP66 · SMA Home Storage 3.2 IP65
- Mounting: Huawei LUNA2000-21-S1 Floor standing · SMA Home Storage 3.2 Wall mounted
Which one to choose
Choose Huawei LUNA2000-21-S1 if…
you value usable capacity, warranty and guaranteed throughput. It is the best value for money in its class.
Choose SMA Home Storage 3.2 if…
you prefer this set-up — ingress protection: IP65; mounting: wall mounted.
This comparison points to the two product pages, where you'll find the complete data and the official links.