Get clean power even without filtering from a battery. Automatic three stage charging provides superior 12V system performance through 11 branch DC circuits, up to 5 branch AC circuits and ideal charge and maintence of your battery, Designed to offer quiet and reliable operation. Output: Absorption 13.6V DC range (includes chargind and load); Bulk 14.4V DC range; Float 13.2V C range. Size: 13-7/8"W x 11-5/8"H x 7-3/8"D. Weight 8.0tls. UL and cUL -Listed. FCC Class B compliant.