Batteries you plug in, compliant with Swiss law · declaration of conformity supplied
The complete Home retrofit kit: A Venus E 3.0 and the CT003 smart meter, for a roof that is already up.
Detached house with solar panels on the roof
Venus E 3.0
Smart Meter CT003
Plug & play Complete kit

Home retrofit kit

A 5.12 kWh Venus E 3.0 and the CT003 smart meter. Your panels stay where they are: the battery keeps for the evening the surplus that goes back to the grid today.

CHF 1'355.– incl. VAT · the price of the parts together, with no assembly surcharge
Out of stock

Tell me when it’s back

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

Power limited to 600 W, the ceiling set by ESTI communication 7/2014 for a socket-connected system. Unlocking reserved for a certified electrician — a software lock, not an app setting. Declaration of conformity and grid operator notification form included.

What is in the box

Everything arrives together. You do not need to order anything else for the kit to work.

Venus E 3.0

Venus E 3.0

× 1

5.12 kWh of storage. It plugs into a household socket and gives back in the evening what the roof made at midday.

CHF 1'290.– each
Smart Meter CT003

Smart Meter CT003

× 1

It reads your meter, over P1 or by infrared, and the battery follows your consumption to the watt. Without it, the battery works blind.

CHF 65.– each
The sum
Venus E 3.0 CHF 1'290.–
Smart Meter CT003 CHF 65.–
Together CHF 1'355.–

Connection cables and fixing straps included. No assembly surcharge: the total is the sum of the parts.

The other kits

Balcony kit 600 W

Balcony kit 600 W

A 2.12 kWh Venus A and four flexible 220 W panels, 880 Wp in all.

CHF 1'370.– See the kit
Compact balcony kit

Compact balcony kit

A 2.12 kWh Venus A and two flexible 220 W panels, 440 Wp in all.

CHF 1'030.– See the kit