SKU:
EX 83309002
€ 394,24
1-2 weeks delivery time
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The Mastervolt Charge Mate Pro 90 is a smart, current-limited electronic charge relay designed for safely distributing charge from one source to two battery banks. Supporting up to 90 A output and reverse current blocking, it ensures the primary battery (e.g. starter) is always prioritized. Designed for high-output alternators and lithium service batteries, it’s perfect for marine or mobile systems requiring stable, powerful, and intelligent charge control.
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Mastervolt 83309002 – Charge Mate Pro 90 (12/24 V, 90 A Smart Battery Combiner, IP65, High-Power Charging)
The Mastervolt Charge Mate Pro 90 (83309002) is a powerful, electronically controlled battery combiner relay that ensures efficient, current-limited dual-bank charging from a single alternator or battery charger. Designed for demanding systems, it supports up to 90 A output (with temperature-dependent derating) and enables safe charging of high-capacity lithium or AGM/GEL service batteries while keeping starter batteries fully protected and prioritized.
Ideal for vessels or vehicles with large alternators (up to 225 A in parallel configuration), the Charge Mate Pro 90 prevents voltage drops and protects against reverse current at all times. It features automatic 12/24 V detection, LED monitoring, and optional remote switch integration. The corrosion-resistant aluminum casing and IP65 protection ensure long-term durability in harsh environments.
Key Features
- Dual-battery charging from a single source with priority management
- Charge current limited to 90 A (temperature-dependent derating > 25 °C)
- Reverse current blocking to protect starter battery and prevent power drain
- Low-voltage-drop MOSFET technology (max 0.2 V)
- Fully electronic switching – no mechanical wear or arcing
- Automatic 12/24 V detection
- Remote switch support: on, off, auto, and start assist
- LED indicators for real-time system status and warnings
- Heavy-duty IP65 sealed aluminum casing with integrated heat sinks
Technical Specifications
Parameter Value Model 83309002 Battery Voltage Automatic 12 / 24 V detection Input Voltage Range 9–32 V Output Current Limited to 90 A (derated > 25 °C) Switch-On Voltage 13.5 V (12 V) / 27 V (24 V) Switch-Off Voltage 12.75 V (12 V) / 25.5 V (24 V) Switch-On Delay 5 seconds Switch-Off Delay 2.5 seconds Relay Type Electronic (MOSFET) Voltage Drop Max 0.2 V Power Consumption < 1 mA (switch open) Battery Compatibility Charging from AGM/GEL starter to AGM/GEL/Lithium service batteries Remote Switch Functions ON, OFF, AUTO, Start Assist Monitoring LED (status and warnings) Protection Degree IP65 Operating Temperature -40 °C to +60 °C Dimensions (HxWxD) 157 x 140 x 80 mm / 6.2 x 5.5 x 3.1 inch Weight 0.88 kg / 1.9 lb Compliance CE
Applications
- Marine battery systems with bow thrusters or high-demand service banks
- Mobile/RV applications with dual batteries and large alternators
- Off-grid or solar backup systems requiring controlled, high-current charging
- Dual-battery charging in commercial vehicles or mobile workshops
Documents
Charge Mate Pro 90 - User Manual Size: 879,2 Kb -
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