Plug & play
Venus E 4.0
The new benchmark: 3 kW of power, 13 kg lighter, at home in a living room. Plugs into a household socket. Nothing changes in the fuse box.
CHF 1'650.– incl. VAT · delivery extra
Out of stock
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5.12 kWh of capacity, a whole evening, backup included
Works with a solar installation already in place
Declaration of conformity and grid operator notification form supplied
Swiss cable, documentation in French, German, Italian and English
Output capped at 600 W, the ceiling set by ESTI communication 7/2014 for a socket-connected installation. Unlocking is reserved for a certified electrician — a software lock, not an app setting.
What this battery changes at home
Your surplus earns you 6,5 centimes. In the evening you buy it back at 30,1.
Calculate for my municipalityCHF 235.–
saved in the first year
7 years and 5 months
to pay the battery back
36 % 66 %
of your solar production used at home. House of 4'500 kWh a year, 4 kWp of panels, median Swiss municipality, ElCom 2026 tariffs.
In the box
Venus E 4.0
5.12 kWh · Swiss cable included
The documents
Declaration of conformity, grid operator notification form, instructions in four languages
Sold separately
CT003 smart meter — CHF 65.–
The recommended companion. It reads what the house is drawing on your meter’s P1 port and tells the battery when to discharge. It is not in the battery’s box.
Specifications
Capacity 5.12 kWh
Usable capacity 4.6 kWh — 90% depth of discharge, manufacturer’s data sheet
Maximum expansion 15 kWh / 9 kW with SmartBox
Output as delivered 600 W as delivered · 3,000 W once an electrician installs it
Service life > 10,000 cycles
Cell technology LiFePO₄ (LFP)
Connection Household socket
Consumption metering Works with the CT003 meter, sold separately
Recycling INOBAT levy paid on import
Documentation FR · DE · IT · EN
Dimensions and weight 520 × 430 × 191 mm · 47 kg
Warranty 10 years