PSI-MV-12 PriorityStart Marine 12-volt boat battery protection device

(Auto and Pro Series units available below.) Don't be stranded! PriorityStart!® Marine is the only fully automatic boat battery protection device on the market today that prevents deep discharge of your battery. Say "no to switches, no to buttons, and no to hard-wiring. This remarkable waterproof device brings genuine starting security to marine applications. PriorityStart is a computer controlled electro-mechanical switch that monitors your marine battery and automatically disconnects it if the voltage drains down to a dangerous level. Priority Start! monitors your battery power voltage when the ignition switch is off. If power becomes dangerously low, it automatically disconnects the load, stopping the power drain and leaving starting power in the battery. Then when the ignition key is turned, it reconnects. Perfect for Recreational Boats, Fishing Boats, Yachts, Sporting Boats, Auxiliary Engines in Sailboats Commercial Boats and larger vessels.

• Easily installed using standard home tools. 12 month manufacturers warranty. 
• OCT '97 Consumer Reports ranks Marine PriorityStart! as the "better choice over other battery saving devices"
• As seen on Good Morning America! 
• Assures you that your boat engine will start even if your accessories were accidentally left on 
• Use accessories when engine is off 
• Return to your boat after hours, days or weeks, knowing that the battery won't be run down 
• Simple installation - 3 easy steps 
• Full starting power - handles 1000 cranking amps 
• Vibration and shock protection 
• Maximizes battery life 
• Portability - transferable from one battery to another

UL Tested, ISO, SAE, and USCG Certified

Get the OWNERS MANUAL