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Huawei LUNA2000-5-S1 vs Marstek Venus E

Usable capacity: Huawei LUNA2000-5-S1 5 kWh, Marstek Venus E 5.12 kWh. Both models win equally often (1 of 3 points).

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Who wins where

  • Huawei LUNA2000-5-S1
  • Marstek Venus E

Biggest differences

FactLUNA2000-5-S1Venus E
Charge power (continuous)3.5 kW2.5 kW
Usable capacity5 kWh5.12 kWh
All specifications ↓

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

HuaweiLUNA2000-5-S1MarstekVenus E
General
Cell chemistryLFP1LFP2
Wi-Fi / app–Yes2
Performance
Usable capacity5 kWh15.12 kWh✓2
Nominal capacity–5.12 kWh2
Charge power (continuous)3.5 kW✓12.5 kW2
Discharge power (continuous)3.5 kW1–
Efficiency
Depth of discharge100 %1–
Electrical
Coupling–AC-coupled2
Backup power–Yes2
Off-grid capable–Yes2
Dimensions & weight
IP ratingIP661IP652
Min. operating temperature-20 °C1-20 °C2
Width590 mm1560 mm2
Height510 mm1690 mm2
Depth255 mm1201 mm2
Weight80 kg1–
Warranty & lifespan
Warranted cycles–6,0002
Warranty–10 years2

Frequently asked questions

Which is better: the Huawei LUNA2000-5-S1 or the Marstek Venus E?

Usable capacity: Huawei LUNA2000-5-S1 5 kWh, Marstek Venus E 5.12 kWh. Both models win equally often (1 of 3 points).

What is the usable capacity of the Huawei LUNA2000-5-S1 and the Marstek Venus E?

Huawei LUNA2000-5-S1: 5 kWh. Marstek Venus E: 5.12 kWh.

Which is better on charge power (continuous): the Huawei LUNA2000-5-S1 or the Marstek Venus E?

Huawei LUNA2000-5-S1: 3.5 kW. Marstek Venus E: 2.5 kW.

How we collect and check this data →

Sources

  1. LUNA2000-5/7/10/12/14/15/17/19/21-S1 – Technical Specification, 01-202509 — Huawei Digital Power Technologies Co., Ltd. · accessed Sep 27, 2026
  2. MARSTEK VENUS C / E AC-Coupled Energy Storage System, 1.0 — Marstek · accessed Oct 16, 2026