ProMariner ProSport 8 GEN 2 Heavy Duty Waterproof Battery Charger (8 Amp 2 Bank 12/24 Volt) Combine multi-stage charging with on-demand charge distribution, so 100% of the available power goes where it's needed most, instead of the usual factory determined settings of a certain number of amps per leg found in other chargers. Expanded LED status center shows AC power status, charge mode, battery type 100% waterproof and shockproof 3 built-in charging profiles for flooded, gel or AGM batteries