Imax eFuel 30A (110V) Switching Dual Output DC AC/DC Power Supply Two DC power outputs, up to 30 amperes Output voltage adjustable 9-18V(Part No. PSU30ADU & PSU30ADE only) Large LCD indicates voltage and current amperes output (Part No. PSU30ADU & PSU30ADE only) Smart cooling fan Over temperature protection&Over loading protection&Short circuit protection