3 Bank Marine Battery Charger | Discount Marine Batteries
NOCO Genius Gen 3 – Most Popular. This 30 amp 3 bank on board charger is completely waterproof. The amp rating means that there are 10 amps for each bank. It can charge and maintain all types of lead acid battery, including the wet, MF, Gel, and AGMs as long as they require 25-230Ah. It will never spark, protects you from reverse battery ...