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MarstekVenus E 4.0

The Marstek Venus E 4.0 is a home battery with charge power (continuous) 3 kW and cell chemistry LFP.1

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Nominal capacity
5.02kWh1
Charge power (continuous)
3kW1
Manufacturer data
Cell chemistry
LFP1
Manufacturer data
Expandable up to
15kWh1
Manufacturer data
Discharge power (continuous)
3kW1
Manufacturer data

Technical specifications

General
Cell chemistry LFP1
Wi-Fi / app Yes1
Performance
Nominal capacity 5.02 kWh1
Smallest configuration 5.02 kWh1
Expandable up to 15 kWh1
Charge power (continuous) 3 kW1
Discharge power (continuous) 3 kW1
Efficiency
Depth of discharge 88 %1
Electrical
Backup power Yes1
Dimensions & weight
IP rating IP651
Min. operating temperature -20 °C1
Weight 47.2 kg1
Warranty & lifespan
Warranted cycles 10,0001

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Frequently asked questions

What is the charge power (continuous) of the Marstek Venus E 4.0?

The charge power (continuous) of the Marstek Venus E 4.0 is 3 kW.1

Which cell chemistry does the Marstek Venus E 4.0 use?

The cell chemistry of the Marstek Venus E 4.0 is LFP.1

Sources

  1. MARSTEK VENUS E 4.0 – Brochure / Specifications, juni 2026 — Marstek Energy Co., Limited · accessed 27 Sept 2026