Marine Battery Charger Accessories

Battery Isolators Optimized heat sink design for maximum performance Minimized voltage drop across isolation barrier using Schotky type diodes Each output individually capable of carrying the full alt... More Details

Guest 1 Alt 2 Battery Isolator - 70 Amp Battery Isolator with gold-plated terminals and improved efficiency provide enhanced charging. Rated for use with DC devices ranging from 10 Amps to 70 Amps. Us... More Details

Blue Sea Systems SI Series Automatic Charging Relay Features: Protects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking Designed for 12 or 24 volt... More Details

Blue Sea M-Series Mini Automatic Charging Relay 65A The Blue Sea Mini Automatic Charging Relay is designed to manage the charging current from alternators up to 65 Amps found on most outboards and man... More Details

Blue Sea BatteryLink Automatic Charging Relay - 12V/24V DC 120A Features: 120 Amp continuous rating 12/24V DC auto ranging voltage input Senses charging on two battery banks Side and bottom knockouts ... More Details

Blue Sea Systems Add-A-Battery Solenoid The ADD-A-BATTERY is as simple to operate as an ON-OFF switch, yet effectively manages the switching and charging of two batteries from a single charge source T... More Details

Temp Sensor Battery - 30' Temperature Sensor, Battery - 30' Length This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or conce... More Details