These batteries maintain a fluctuating state of charge to reserve energy and continue to operate when energy is limited. They are built to handle cycling thousands of times to maintain off-grid power.

Deka is a premium lead acid battery manufacturer for reserve power. The battery chemistry of the Fahrenheit series is tailored for high-temperature tolerance that supports long-term cycling.



Polarium is an industry leader in lithium-ion battery technology, providing reliable backup and reserve power for hybrid, off-grid, and grid-connected sites. Additionally, its safety features allow for remote monitoring and managing.