... Charge Controller/Regulator 1.10A controller 2.12V/24V auto switch 3.High efficiency & stability 10A, 12V/24V Solar Charge Controller/Regulator Feature: The ... , battery, and load before connection.Their rated voltage should be 12V.2. Pay more attention to “+” and “-” poles of solar ... and loads are kept lower than the one of controller 10A, 12V/24V Solar Charge Controller/Regulator Accept Paypal