interVOLT Heavy Duty 7 Amp 12V DC-DC Isolated Voltage Stabilizer / Regulator / Power Conditioner / Battery Charger (10-16 VDC Input - 12.5 or 13.6 VDC Output) Model SPCi121207 7A continuous load rating. 93% efficiency. High visibility tri-color LED status indicator Highly stable (&lt; 20mV ripple) under a range of input conditions (10 - 16 VDC input) Switch selectable output voltage (12.5 or 13.6 V DC) - Galvanic isolation between input and output - Wide operating temperature (-25 to +45 C) Use to stabilize voltage from alternators, generators, batteries, solar panels and unregulated DC power supplies Compact Size / Rugged Design / Marine Grade Materials - Perfect for cars, boats, RV's, campers and industrial applications