We believed that one solution should not be the cause of another problem. While batteries are crucial to support a future powered by renewable energy, most of them are made for the linear economy (raw materials to waste) — impossible to service or recycle, thus contributing to the tonnes of battery waste generated every year. Guided by our vision to positively impact people and planet, we challenged ourselves to design a better solution - an Essential lithium-ion battery that’s engineered for the future!
All-in-one solution
a single modular unit compact
energy storage system
Extended life
designed to be easily
serviced and upgraded
Remote monitoring
for real-time performance updates
and maintenance requests
Peace of mind
greater energy resilience
without the footprint
Your PV system is generating energy that is stored in the Offgen. You can use that energy during the day while your Offgen keeps on charging, or sell the excess energy to the grid if your energy storage system is fully topped up.
The Offgen is the first energy storage system that has been engineered to support a sustainable model, using our future-proofed Essential batteries. Unlike other products on the market, every individual part of the Offgen can be removed for repair, replacement or upgrade, extending the life of the system. And, true to our company-wide value of avoiding waste, batteries that has been replaced can be repurposed or recycled.
While most systems require additional wall-mounted components for their installation, the Offgen is an all-in-one system. It is an electrical grade cabinet, which can be installed inside or outside which contains: lithium-ion batteries, hybrid inverter, communications interface and switchgear, making it compact and easy to install.
The Offgen provides the flexibility to store and use energy from on-site PV or low-tariff grid energy.
Users can choose the appropriate capacity for their home, upgrading as their needs grow, with a capacity of 4kWh up to 11kWh within the same cabinet.
While the Offgen can easily be used off-grid, it is also designed to be connected to the grid, enabling a home to store excess clean energy either for its own use or for selling back onto the grid for use during peak demand periods. The system can then recharge from the grid during off-peak hours, capitalising on cheaper tariffs.
This setup creates a more flexible energy system, increasing the possibilities for renewable energy and helping to decarbonise the grid.
Your PV system is generating energy that is stored in the Offgen. You can use that energy during the day while your Offgen keeps on charging, or sell the excess energy to the grid if your energy storage system is fully topped up.
Your house uses the energy stored in the Offgen from your PV during the day.
The Offgen can also be topped up with low-tariff grid energy at night.
Your PV system is generating energy that is stored in the Offgen. You can use that energy during the day while your Offgen keeps on charging, or sell the excess energy to the grid if your energy storage system is fully topped up.
Your PV system is generating energy that is stored in the Offgen. You can use that energy during the day while your Offgen keeps on charging, or sell the excess energy to the grid if your energy storage system is fully topped up.
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