JB BATTERY’s battery energy storage systems are more frequently found at the core of their applications. In such a system, the charge controller is both “heart and brains” of the outfit, controlling the PV/solar-generated electricity flowing from the panels, or modules, into batteries for storage as well as the DC output to power connected loads, maintaining both system operation and battery health. https://www.lithiumbatterychina.com/lithium-ion-mobile-solar-tower-battery/