20A 12V 120VAC 50 60Hz Charles 5000 SP Series Battery Charger is the only Marine UL listed chargers available with a battery type selector switch that allows to charge lead acid, GEL and AGM batteries. The Charles 5000 SP Series Battery Charger is tested by Marine UL for safety and durability against impact and shock.
Each Charles 5000 SP battery chargers has 3 stage charging with temperature compensation that delivers the best charge and also prevents overcharging which extends the battery life. With the 20A 12V 120VAC 50 60Hz Charles 5000 SP Series Battery Charger, up to 3 battery banks can be simultaneously restored.
The 20A 12V 120VAC 50 60Hz Charles 5000 SP Series Battery Charger can also be used as a DC power supply to power such components directly without a battery in the system.