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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
PerformanceElectricalDimensions & weightWarranty & lifespan
Performance: EcoFlow STREAM Pro 5, SMA Home Storage 3.2 16; Electrical: EcoFlow STREAM Pro 50, SMA Home Storage 3.2 50; Dimensions & weight: EcoFlow STREAM Pro 86, SMA Home Storage 3.2 63; Warranty & lifespan: EcoFlow STREAM Pro 49, SMA Home Storage 3.2 49

Biggest differences

FactSTREAM ProHome Storage 3.2
Min. operating temperature-20 °C-10 °C
Expandable up to11.52 kWh19.68 kWh
Weight22.8 kg38 kg
All specifications ↓

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

  1. EcoFlow STREAM Ultra/Pro Specifications, 1.0 — EcoFlow UK · accessed 29 Sept 2026
  2. SMA Home Storage – datasheet, HS-BM-10-DS-en-20 (last revised 08/2026) — SMA Solar Technology AG · accessed 27 Sept 2026