E3/DC S10 E PRO COMPACT vs EcoFlow STREAM Pro

Usable capacity: E3/DC S10 E PRO COMPACT 29.2 kWh, EcoFlow STREAM Pro –. The E3/DC S10 E PRO COMPACT is better on 3 of 7 comparable points.
Who wins where
- E3/DC S10 E PRO COMPACT
- EcoFlow STREAM Pro
Biggest differences
| Fact | S10 E PRO COMPACT | STREAM Pro |
|---|---|---|
| Min. operating temperature | 5 °C | -20 °C |
| Charge power (continuous) | 9 kW | 1.05 kW |
| Discharge power (continuous) | 9 kW | 1.2 kW |
| Expandable up to | 52.3 kWh | 11.52 kWh |
Score per area = position (0–100) relative to all 130 models in this category; higher is better.
| Technical specifications | E3/DCS10 E PRO COMPACT | EcoFlowSTREAM Pro |
|---|---|---|
| General | ||
| Cell chemistry | – | LFP 1 |
| Smart charging on dynamic prices | Yes 2 | Yes 1 |
| Wi-Fi / app | – | Yes 1 |
| Performance | ||
| Usable capacity | 29.2 kWh 2 | – |
| Nominal capacity | – | 1.92 kWh 1 |
| Expandable up to | 52.3 kWh ✓ 2 | 11.52 kWh 1 |
| Charge power (continuous) | 9 kW ✓ 2 | 1.05 kW 1 |
| Discharge power (continuous) | 9 kW ✓ 2 | 1.2 kW 1 |
| Electrical | ||
| Phases | 3 2 | – |
| Backup power | Yes 2 | Yes 1 |
| Off-grid capable | – | Yes 1 |
| Dimensions & weight | ||
| IP rating | IP20 2 | IP65 1 |
| Min. operating temperature | 5 °C 2 | -20 °C ✓ 1 |
| Width | 590 mm 2 | 284 mm 1 |
| Height | – | 458 mm 1 |
| Depth | 500 mm 2 | 255 mm 1 |
| Weight | – | 22.8 kg 1 |
| Warranty & lifespan | ||
| Warranted cycles | – | 6,000 1 |
| Warranty | 10 years 2 | 10 years 1 |
Sources
- EcoFlow STREAM Ultra/Pro Specifications, 1.0 — EcoFlow UK · accessed 29 Sept 2026
- Hauskraftwerk S10 E PRO COMPACT, 16. Oktober 2025 — HagerEnergy GmbH · accessed 29 Sept 2026