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EcoFlow STREAM Pro vs SolaX TP-HS50E

Usable capacity: EcoFlow STREAM Pro –, SolaX TP-HS50E 4.6 kWh. The SolaX TP-HS50E is better on 5 of 10 comparable points.

Who wins where

  • EcoFlow STREAM Pro
  • SolaX TP-HS50E
PerformanceElectricalDimensions & weightWarranty & lifespan
Performance: EcoFlow STREAM Pro 6, SolaX TP-HS50E 24; Electrical: EcoFlow STREAM Pro 50, SolaX TP-HS50E 50; Dimensions & weight: EcoFlow STREAM Pro 86, SolaX TP-HS50E 93; Warranty & lifespan: EcoFlow STREAM Pro 47, SolaX TP-HS50E 47

Biggest differences

FactSTREAM ProTP-HS50E
Charge power (continuous)1.05 kW3 kW
Nominal capacity1.92 kWh5.1 kWh
Discharge power (continuous)1.2 kW3 kW
Weight22.8 kg47 kg
Expandable up to11.52 kWh20.4 kWh
Min. operating temperature-20 °C-30 °C
All specifications ↓

Score per area = position (0–100) relative to all 130 models in this category; higher is better.

Technical specifications EcoFlowSTREAM Pro SolaXTP-HS50E
General
Cell chemistry LFP 1 LFP 2
Smart charging on dynamic prices Yes 1 –
Wi-Fi / app Yes 1 –
Performance
Usable capacity – 4.6 kWh 2
Nominal capacity 1.92 kWh 1 5.1 kWh ✓ 2
Expandable up to 11.52 kWh 1 20.4 kWh ✓ 2
Charge power (continuous) 1.05 kW 1 3 kW ✓ 2
Discharge power (continuous) 1.2 kW 1 3 kW ✓ 2
Peak power – 5.1 kW 2
Electrical
Backup power Yes 1 Yes 2
Off-grid capable Yes 1 Yes 2
Dimensions & weight
IP rating IP65 1 IP66 2
Min. operating temperature -20 °C 1 -30 °C ✓ 2
Width 284 mm 1 730 mm 2
Height 458 mm 1 318 mm 2
Depth 255 mm 1 150 mm 2
Weight 22.8 kg ✓ 1 47 kg 2
Warranty & lifespan
Warranted cycles 6,000 1 6,000 2
Warranty 10 years 1 10 years 2

Sources

  1. EcoFlow STREAM Ultra/Pro Specifications, 1.0 — EcoFlow UK · accessed 29 Sept 2026
  2. SolaX X1-IES All-in-one Residential ESS, V1.7 (tekst herkend met OCR) — SolaX Power · accessed 1 Oct 2026