Canadian Solar Camel ESS is equipped with bidirectional inverter, battery pack, energy management unit and switches, the Camel ESS has two automatic power charging modes for on-grid and off-grid. When grid is down during emergency, the energy storage system will automatically switch to off-grid mode. Camel ESS is a great investment in saving your energy bill as you can charge the battery by solar energy during the day and use electricity from the battery during peak rate hours. In addition, Camel ESS system is a high reliable energy source in emergency when utility is down.