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Jackery SolarVault 3 Pro vs Marstek Venus E 3.0

Usable capacity: Jackery SolarVault 3 Pro –, Marstek Venus E 3.0 –. The Marstek Venus E 3.0 is better on 2 of 7 comparable points.

Last updated: October 16, 2026+ Add a model

Who wins where

Fact	SolarVault 3 Pro	Venus E 3.0
Discharge power (continuous)	1.2 kW	2.5 kW
Nominal capacity	2.52 kWh	5.12 kWh

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

Technical specifications	JackerySolarVault 3 Pro	MarstekVenus E 3.0
General
Cell chemistry	LFP¹	LFP²
Smart charging on dynamic prices	Yes¹	–
Wi-Fi / app	Yes¹	Yes²
Performance
Nominal capacity	2.52 kWh¹	5.12 kWh✓²
Expandable up to	45.36 kWh¹	–
Charge power (continuous)	–	2.5 kW²
Discharge power (continuous)	1.2 kW¹	2.5 kW✓²
Peak power	2.3 kW¹	–
Efficiency
Depth of discharge	90 %¹	90 %²
Electrical
Coupling	–	AC-coupled²
Backup power	Yes¹	Yes²
Off-grid capable	Yes¹	–
Dimensions & weight
IP rating	IP65¹	IP65²
Min. operating temperature	-20 °C¹	-20 °C²
Height	–	624 mm²
Weight	–	60 kg²
Warranty & lifespan
Warranted cycles	6,000¹	6,000²
Warranty	10 years¹	–

Usable capacity: Jackery SolarVault 3 Pro –, Marstek Venus E 3.0 –. The Marstek Venus E 3.0 is better on 2 of 7 comparable points.

Marstek Venus E 3.0: 2.5 kW. Jackery SolarVault 3 Pro: 1.2 kW.

Marstek Venus E 3.0: 5.12 kWh. Jackery SolarVault 3 Pro: 2.52 kWh.