Capacity guaranteed for life
If a module weakens, we replace it. Your capacity remains constant.
10 kWh battery · made in Valais
The only Swiss battery that is repairable, with a lifetime warranty
Store your solar energy with a battery designed to last. Replaceable modules, intelligent monitoring and capacity maintained for life.
CHF 5’500.–including battery, delivery and installation
10 kWhcapacity
Monthly maintenance is separate. See the offer conditions. See pricing and conditions
The Evolium battery
An energy storage system designed to be repaired, module by module.10 kWhcapacityModularand repairableValaislocally designed
The product
A battery designed to last, not to be thrown away
Standard batteries lose capacity every year. Our modular architecture protects your investment.
Certified second life
Each cell is tested individually. More rigorous than new imports.
Proactive after-sales service
We contact you if a module weakens. Evolium manages the replacement.
2-minute check
Is your installation compatible?
Space, socket, internet and meter: four steps for an initial assessment, with no technical knowledge required.
Sion · ValaisThe Evolium team
A local team behind every battery.
Engineering, electronics, data and assembly: the Evolium team designs, tests and monitors every system in its Valais laboratory.
This proximity supports long-term service. The team understands each module and remains responsible after installation.
Understand Evolium
The circular economy applied to batteries
▶RTS · Basik
Watch the video
In this RTS interview, Alexandre Staub presents Evolium’s vision: transforming end-of-life batteries into sustainable, repairable energy storage systems.
Your solar project
Designed for easy integration into your existing photovoltaic installation.
Integrated inverter, plug-and-play installation and a lifetime capacity guarantee.