5000 SP Series Battery Charger, 40A 12V 5000SP Part Number 12405SPA

The only Marine UL chargers with a battery type selector switch allowing you to charge Lead Acid, Gel or AGM batteries. Tested for durability against impact, vibration, temperature and shock. Features:
3-stage charging with temperature compensation that restores up to 3 banks simultaneously
Can also act as a power supply providing constant voltage to DC components
Ignition and reverse-polarity protected
Designed with corrosion resistant components, a heavy-duty enclosure and heat sink for durability
Runs cool and quiet
Anodized aluminum housing
5 year limited warranty, made in the USA

• Size : 3.7" x 9-1/2" x 13-1/4"
• Volts : 12
• Banks : 3
• Amps : 40