Accessories

Outboard Dual Battery Isolator/ACR & ACCSConnect another battery for increased fishing time, and power all of your electronics all day without the worry of draining your starting battery. This unique system allows you to quickly add another battery...

XD Series Triple Flex 2 Relay-ACR-Relay with Knobs & 3X DTM ConnectorThe Egis relay replaces three individual high-amp relays with one compact module, reducing space significantly, eliminating the cost of external link cable connections, eliminating...

MasterShunt 500 CZoneMasterShunt is the heart of every battery powered energy system. This integrated battery monitor shares information about the battery bank with other MasterBus, CZone or NMEA 2000 enabled devices such as battery chargers,...

30 AMP Inlet and Female Cord Connector Combo - Stainless SteelThe SmartPlug Combo Kit includes both a 30 AMP 125V Male inlet connector and Female Cord End Connector. The Female Cord End Connector is designed to be used with your existing cord.  This...

Alpha Pro IIIAdvanced 3-step charge regulator for standard and high performance alternatorsThe propulsion engine of your boat or vehicles may be used to quickly charge your service batteries, either while cruising or taking a break. The advanced and...

50 AMP Inlet and Female Cord Connector Combo - GreyThe SmartPlug Combo Kit includes both a 50 AMP 125/250 V Male inlet connector and Female Cord End Connector. The Female Cord End Connector is designed to be used with your existing cord.  This...

EasyView 5Waterproof system monitor with daylight display and intuitive touch control.Controlling your Mastervolt system has never been easier. The EasyView 5 features a sharp, waterproof display which is clearly readable in daylight. Thanks to the color...