Battery Charger Accessories

The Blue Sea Systems BatteryLink™ Automatic Charging Relay (ACR) is a robust and reliable solution for managing dual battery banks in marine and vehicle applications. Engineered to automatically...

The Skylla-i Control allows you to alter the charge current and see the system status as well as turn the Skylla-i charger on and off.  Downloads Skylla-i Control GX Manual

The Blue Sea Water Resistant Accessory Panel is an easy to install DC charging and monitoring panel with a circuit breaker, 12v socket and 2 x dual 2.1A USB charger. Panels offer customizable 12V...

The Blue Sea Water Resistant Accessory Panel is an easy to install DC charging and monitoring panel with a circuit breaker, 12v socket, 2 x dual 2.1A USB charger and a mini OLED voltmeter. Panels...

The Blue Sea Water Resistant Accessory Panel is an easy to install DC charging and monitoring panel with a circuit breaker, 12v socket, dual 2.1A USB charger and a mini OLED voltmeter. Panels offer...

Mastervolt Temperature Sensor sold as a spare part. Technical File Dimension Drawing

This temperature sensor is included with every battery charger, sold here separately. Technical File Dimension Drawing

Remote monitoring for Mass battery chargers, with GMDSS system monitoring functions. Battery voltage and current are displayed on the digital panel. GMDSS stands for Global Maritime Distress and...