Exro Successfully Pilots Battery Control System in Operating Second Life Environment News provided by Share this article Share this article Exro's Battery Control System (BCS) enables the utilization of second life battery applications after successfully demonstrating cell balancing with aftermarket batteries in a 25kW 150kWh Energy Storage System. Exro will now move forward to validate the BCS in a grid connected 250kW 1.5MWh ESS by the end of 2021 and define performance metrics for state of health and extending battery life. In parallel, the Company is building the BCS platform with the intent to launch commercialization of an Exro powered Energy Storage System in 2022.