Batteries you plug in, compliant with Swiss law · declaration of conformity supplied
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Venus A — product view
Plug & play

Venus A

Your balcony becomes a power station: panels, inverter and 2 kWh in one block. The panels connect straight to it, and it plugs into a household socket. Nothing to drill.

CHF 690.– incl. VAT · delivery extra
Out of stock

Tell me when it’s back

Leave your address and you will hear from us the day Venus A is available again, before it goes back on the site.

2.12 kWh of capacity, for small installations
The panels connect straight to the battery
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 municipality
CHF 102.–
saved in the first year
7 years and 3 months
to pay the battery back
36 % 50 %
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 A
Venus A
2.12 kWh · Swiss cable included
The documents
The documents
Declaration of conformity, grid operator notification form, instructions in four languages
Sold separately
Smart Meter CT003 — product view
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 2.12 kWh
Usable capacity 1.9 kWh — 90% depth of discharge, manufacturer’s data sheet
Maximum expansion 12.72 kWh (5 modules)
Output as delivered 600 W as delivered · 1,500 W once an electrician installs it
Service life > 6,000 cycles
Cell technology LiFePO₄ (LFP)
Connection Household socket, panels direct
Consumption metering Works with the CT003 meter, sold separately
Recycling INOBAT levy paid on import
Documentation FR · DE · IT · EN
Dimensions and weight 530 × 430 × 350 mm · 29 kg (controller and one module)
Warranty 10 years

Also available in the Balcony kit 600 W kit

A 2.12 kWh Venus A and four flexible 220 W panels, 880 Wp in all. No assembly surcharge: CHF 1'370.–.

See the kit