... .PWM function supported 4.12 month warranty PWM 12V/24V 15A solar regulatorSpecification Products specification1Model YH-SC12152NameSolar ... gradeIP56 Advantage1The department example product automatic identification system voltage 12V/24V2Battery protection, avoid solar battery overcharger3Adapter MCU contol, ... in cold ,high temperature,humid environment PWM 12V/24V auto detective 15A solar regulator