Mastervolt ChargeMaster Plus 12/35 – Smart 3-Output Battery Charger for Demanding DC Systems
The Mastervolt ChargeMaster Plus 12/35 is a premium 12V, 35A battery charger designed for fast, efficient, and reliable charging across multiple battery banks. Built for demanding mobile and marine environments, this compact yet powerful charger combines advanced charging technology with seamless system integration, offering a future-ready solution for professionals who demand performance and durability.
Part of the next-generation ChargeMaster Plus Series, this charger replaces separate battery chargers for each battery type or voltage with one intelligent solution. It features three fully isolated outputs, allowing you to charge your starter, house, and auxiliary batteries simultaneously—even if they differ in chemistry or state of charge.
The ChargeMaster Plus 12/35 supports AGM, Gel, Flooded, and Lithium (LiFePO₄) batteries with built-in adaptive charge profiles. Its 3-step+ charging algorithm ensures each battery receives the optimal voltage and current, extending battery life while delivering full, fast charges even under load.
Equipped with MasterBus, CZone, and NMEA 2000 communication protocols, this charger is fully networkable, allowing centralized control and monitoring in complex systems. Whether used as part of a larger energy architecture or as a standalone unit, it integrates seamlessly into professional-grade electrical setups.
Key Features:
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Input Voltage: 90–265V AC (universal input)
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Output: 12V DC, 35A total across 3 isolated battery outputs
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Smart Multi-Stage Charging: 3-step+ algorithm with temperature and voltage compensation
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Battery Compatibility: AGM, Gel, Flooded Lead Acid, and Lithium (LiFePO₄)
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System Integration: Compatible with MasterBus, CZone, and NMEA 2000 networks
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Rugged Build: Vibration and ignition-protected for mobile and marine environments
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Silent Operation: Fan-free, convection-cooled design
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Safety Features: Short circuit, overheat, and reverse polarity protection
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Auto Voltage Detection: Quickly recognizes 12V battery banks without manual adjustment
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Mounting: Compact footprint, wall or shelf mountable
Ideal Applications:
The ChargeMaster Plus 12/35 is a versatile and reliable solution for:
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Emergency & Specialty Vehicles: Ambulances, fire trucks, mobile command units
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Recreational Vehicles & Overlanders: Camper vans, Class B RVs, expedition vehicles
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Marine Vessels: Sailboats, powerboats, fishing vessels, commercial craft
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Off-Grid Installations: Mobile workshops, remote monitoring trailers, and hybrid power systems
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Fleet & Service Vehicles: Utility trucks, maintenance fleets, and roadside assistance rigs
Smarter Charging. Safer Power. Longer Battery Life.
Mastervolt’s ChargeMaster Plus Series is built on decades of expertise in marine and mobile power, combining intelligent design with real-world durability. The 12/35 model is ideal for anyone needing reliable multi-bank charging in a compact package. Whether you’re building a rugged overland rig, equipping a rescue vehicle, or upgrading a vessel’s electrical system, the ChargeMaster Plus 12/35 is built to perform—when it matters most.
