Mastervolt Charge Mate Pro 90 83309002:

Charge Mate Pro 90

Electronic charging relay with limited current, high efficiency, and reverse current protection. Ideal for charging secondary batteries in boats, caravans, and camper vehicles. The Charge Mate Pro effectively distributes the charger or inverter's current between two batteries, such as the starting battery and the service battery.

Main features:

• Charging two batteries from one source.
• Electronic charging connection with very low voltage drop.
• Capability for effective dual charging.
• Suitable for all types of batteries, including Lithium Ion.
• Limited charging current for the secondary battery at 40 or 90 A.
• High system reliability with priority given to charging the main battery.
• One-way operation that blocks reverse current in all cases.
• Power supply issues from the onboard electrical network.
• Compatible with all types of chargers and inverters.
• Status indication with LED monitoring.
• Electronics IP65 in a corrosion-resistant housing with aluminum heatsinks.
• Fast and easy installation.