ProNautic P Series 1250P, 12 Volt, 50 Amp Battery Charger Up to 12 performance & precision 4-stage charging profiles: Charge, Condition, Maintain and Re-condition Automatic dockside power mode for 12 Volt DC lighting and appliances Auto-ranging (100-250VAC/50-60Hz) global AC input with reduced harmonic distortion Industry recognized with the 2010 IBEX Innovation Award, ProNauticP employs our Generation 3 ProMar Digital Performance Charging Platform which combines all digital control and softwarebased power conversion technology with global energy management features. ProNauticP addresses the trend of incorporating and using more 12-volt electronics onboard today's power, sail, cruising and sport fishing boats. Boasting twelve digitally-controlled performance charging profiles with finger tip selection, ProNauticP fully charges, conditions, maintains and re-conditions batteries while extending battery life and maximizing battery reserve power performance. Designed to provide more time on the water enjoying what you like most…boating.