Besides its toughness

Potable Water Connection

as well as entering a float mode when charging is complete to protect against overcharging your batteries

with depths ranging from 100ft to 400ft along the coastline

An accessories terminal block to add a solenoid Or a separate voltage sense line

Hubble - 30-Amp DC Electric Fishing Reel System , Part No. HBL328DCR Balmar Besides its toughnessThis DC rated electrical system is designed specifically for larger electric fishing reel systems. It features a corrosion resistant plug, connector body and receptacle, all with nickel plated contacts. Use with an outlet box HBL6079 and a weatherproof cover. All are rated at 28 Volts DC and are applicable for 12 , 24 and 32 Volt. UL listed and CSA certified. Made of impact resistant ,UV stabilized, high visibility, yellow nylon.