Xantrex C-Series Solar Charge Controller - 12 Amps [C12]C Series Solar Charge Controller 12 Amps PV charge, lighting and load controller The C12 charge, lighting, or load controller is uniquely sophisticated. As a charge controller, it features three stage charging, user definable voltage parameters, and automatic equalization. Standard in the C12s load control circuitry are field adjustable low voltage disconnect and reconnect points, along with a five minute low battery disconnect signal. The C12 also