Service Above All – Cosun ESS

Battery Service for lifelong

We do things a bit differently, and that's the way we like it!

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High Qualify Battery

High quality battery cell is the basic for a longer battery cycling life

Advanced Technology - Active Balanced BMS

Active Balanced is the core to maintain a good SOC of batteries. Not all cells are created equal, all cells are difference after some times of use because of temperature and many factors. A DC-DC active balance can maintain a good conformity for every cell.
A good BMS with full protection is critical for battery health. Lots of BMS in the market are for e-cars application, they are complicated with unnecessary functions for storage battery, simple, reliable,practical BMS will help a lot to prolong the battery lift