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Deye SE-G5.1 Pro-B vs EcoFlow PowerOcean LFP Battery 5 kWh

Usable capacity: Deye SE-G5.1 Pro-B 5.12 kWh, EcoFlow PowerOcean LFP Battery 5 kWh 4.8 kWh. The Deye SE-G5.1 Pro-B is better on 6 of 7 comparable points.

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Both models in detail

Who wins where

  • Deye SE-G5.1 Pro-B
  • EcoFlow PowerOcean LFP Battery 5 kWh
PerformanceEfficiencyDimensions & weight
Performance: Deye SE-G5.1 Pro-B 42, EcoFlow PowerOcean LFP Battery 5 kWh 22; Efficiency: Deye SE-G5.1 Pro-B 76, EcoFlow PowerOcean LFP Battery 5 kWh 44; Dimensions & weight: Deye SE-G5.1 Pro-B 80, EcoFlow PowerOcean LFP Battery 5 kWh 76

Biggest differences

FactSE-G5.1 Pro-BPowerOcean LFP Battery 5 kWh
Charge power (continuous)5.12 kW2.5 kW
Discharge power (continuous)5.12 kW3.3 kW
Weight45 kg55.5 kg
Usable capacity5.12 kWh4.8 kWh
Depth of discharge100 %95 %
All specifications ↓

Score per area = position (0–100) relative to all 140 models in this category; higher is better.

Technical specificationsDeyeSE-G5.1 Pro-BEcoFlowPowerOcean LFP Battery 5 kWh
General
Cell chemistryLFP1LFP2
Performance
Usable capacity5.12 kWh✓14.8 kWh2
Nominal capacity5.12 kWh✓15.1 kWh2
Charge power (continuous)5.12 kW✓12.5 kW2
Discharge power (continuous)5.12 kW✓13.3 kW2
Efficiency
Depth of discharge100 %✓195 %2
Dimensions & weight
IP ratingIP201IP652
Min. operating temperature-20 °C1-20 °C2
Width440 mm1–
Height133 mm1–
Depth540 mm1–
Weight45 kg✓155.5 kg2
Warranty & lifespan
Warranted cycles6,0001–
Warranted throughput16 MWh1–
Warranty10 years1–

Frequently asked questions

Which is better: the Deye SE-G5.1 Pro-B or the EcoFlow PowerOcean LFP Battery 5 kWh?

Usable capacity: Deye SE-G5.1 Pro-B 5.12 kWh, EcoFlow PowerOcean LFP Battery 5 kWh 4.8 kWh. The Deye SE-G5.1 Pro-B is better on 6 of 7 comparable points.

What is the usable capacity of the Deye SE-G5.1 Pro-B and the EcoFlow PowerOcean LFP Battery 5 kWh?

Deye SE-G5.1 Pro-B: 5.12 kWh. EcoFlow PowerOcean LFP Battery 5 kWh: 4.8 kWh.

Which is better on charge power (continuous): the Deye SE-G5.1 Pro-B or the EcoFlow PowerOcean LFP Battery 5 kWh?

Deye SE-G5.1 Pro-B: 5.12 kW. EcoFlow PowerOcean LFP Battery 5 kWh: 2.5 kW.

Which is better on discharge power (continuous): the Deye SE-G5.1 Pro-B or the EcoFlow PowerOcean LFP Battery 5 kWh?

Deye SE-G5.1 Pro-B: 5.12 kW. EcoFlow PowerOcean LFP Battery 5 kWh: 3.3 kW.

How we collect and check this data →

Sources

  1. DEYE SPRING SE SERIES Residential ESS Solution Datasheet, 1.0 — Deye · accessed 14 Oct 2026
  2. EcoFlow PowerOcean (Three-Phase) Datasheet, 1.0 — EcoFlow · accessed 29 Sept 2026