EcoFlow STREAM Pro vs SMA Home Storage 3.2


Usable capacity: EcoFlow STREAM Pro –, SMA Home Storage 3.2 3.28 kWh. The EcoFlow STREAM Pro is better on 2 of 5 comparable points.
Who wins where
- EcoFlow STREAM Pro
- SMA Home Storage 3.2
Biggest differences
| Fact | STREAM Pro | Home Storage 3.2 |
|---|---|---|
| Min. operating temperature | -20 °C | -10 °C |
| Expandable up to | 11.52 kWh | 19.68 kWh |
| Weight | 22.8 kg | 38 kg |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | EcoFlowSTREAM Pro | SMAHome Storage 3.2 |
|---|---|---|
| General | ||
| Cell chemistry | LFP 1 | LFP 2 |
| Smart charging on dynamic prices | Yes 1 | – |
| Wi-Fi / app | Yes 1 | – |
| Performance | ||
| Usable capacity | – | 3.28 kWh 2 |
| Nominal capacity | 1.92 kWh 1 | – |
| Expandable up to | 11.52 kWh 1 | 19.68 kWh ✓ 2 |
| Charge power (continuous) | 1.05 kW 1 | – |
| Discharge power (continuous) | 1.2 kW 1 | – |
| Efficiency | ||
| Round-trip efficiency | – | 94.5 % 2 |
| Electrical | ||
| Coupling | – | DC-coupled 2 |
| Backup power | Yes 1 | Yes 2 |
| Off-grid capable | Yes 1 | – |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP65 2 |
| Min. operating temperature | -20 °C ✓ 1 | -10 °C 2 |
| Width | 284 mm 1 | 610 mm 2 |
| Height | 458 mm 1 | 483 mm 2 |
| Depth | 255 mm 1 | 214.6 mm 2 |
| Weight | 22.8 kg ✓ 1 | 38 kg 2 |
| Warranty & lifespan | ||
| Warranted cycles | 6,000 1 | – |
| Warranty | 10 years 1 | 10 years 2 |
Sources
- EcoFlow STREAM Ultra/Pro Specifications, 1.0 — EcoFlow UK · accessed 29 Sept 2026
- SMA Home Storage – datasheet, HS-BM-10-DS-en-20 (last revised 08/2026) — SMA Solar Technology AG · accessed 27 Sept 2026