For us to classify a charger as a marine battery charger it has to have a rating higher than IP64. This means water splashing against the enclosure from any direction shall have no harmful effect. A rating of IP68 is as high as you can go and means it can be fully submersed in water. Also this page is dedicated to marine chargers with one single DC output cable also referred to as 1 bank marine battery chargers.
If you need a multi-bank waterproof charger use the green >>breadcrumbs>> above to go back a category where you can select the appropriate number of output banks to suit your needs.