This 28210 model is a 2 bank, 10 amp, 12/24V DC output charger with wide input voltage range (100-240V AC), is microprocessor controlled and has a maintenance mode that will keep the charger fully charged. The Marinco 28210 meets the CEC (California Energy Commission), FCC, CE, is RoHS compliant and has UL and CSA listings (cULus). The 28210 has the same mounting dimensions as the Guest 2611A and 2611A-B and replaces these models.