Morningstar’s SunGuard is the most advanced small, economical solar charge controller on the market today.  The MorningStar SunGuard is a fully epoxy encapsulated outdoor rated 4.5A “ice cube” sized 12V PWM charge controller.  It has built-in temperature compensation, lightning protection and easy 4-wire hookup.  Now only $29.00 after $1.00 savings.