Mastervolt ChargeMaster Plus 12/50-3 Battery Charger

The ChargeMaster Plus 12/50-3 Battery Charger by Mastervolt is the ultimate solution for sailors and boat enthusiasts seeking reliable, efficient, and versatile battery charging on the water. Designed to deliver fast and complete charging, this charger ensures your marine batteries are always ready, enhancing their performance and longevity even in the most demanding marine environments.

Advanced Charging Technology for Marine Applications

Engineered with Mastervolt’s innovative 3-step+ charging process, the ChargeMaster Plus 12/50-3 provides a robust and efficient charging cycle tailored for marine batteries. Whether you’re docked or cruising, this charger maintains optimal battery health by ensuring fast charging and preventing overcharging, even in areas with unstable power sources.

Seamless Integration with Marine Systems

The ChargeMaster Plus seamlessly integrates into your boat’s electrical system through the MasterBus network, allowing centralized control and monitoring. With just one cable connection (excluding models ChargeMaster 12/10, ChargeMaster 12/15-2, and ChargeMaster 24/6), you can manage multiple charging stations effortlessly, whether you prefer local or remote access.

Intuitive and Clear Display

Stay informed with the ChargeMaster’s easy-to-read LED display, which provides real-time data on charge current, voltage, charge phase, and battery status. Additionally, the display shows MasterBus communication status, ensuring you have complete visibility of your charging system. The user-friendly interface with three adjacent buttons simplifies operation, making it easy to adjust settings and monitor performance while at sea.

Key Features for Marine Use

• Versatile Compatibility: Compatible with all battery types, including Lithium-Ion, ensuring flexibility for various marine battery setups.
• 3-Step+ Charging: Delivers rapid and thorough charging, even to deeply depleted batteries, extending battery life.
• Memory Function: Prevents overcharging during power outages or unreliable mains, safeguarding your batteries.
• Safety Assured: Equipped with standard safety features to protect against overcharging, overheating, and corrosion.
• High Capacity: Capable of charging battery banks up to 1000 Ah, ideal for larger marine vessels.
• Easy Installation: Simple to connect and install, minimizing setup time on your boat.
• Multi-Bank Charging: Ability to charge multiple battery banks simultaneously, perfect for managing both starter and service batteries.
• MasterBus Integration: Built-in system functionality for seamless communication with other Mastervolt marine products.
• DC Power Supply: Provides constant DC output to power essential systems like lights and refrigeration, even without connected batteries.

Reliable Performance in Any Voltage Environment

The ChargeMaster Plus adapts to varying mains voltages worldwide (90-265 V AC, 50/60 Hz) with its auto-ranging feature, ensuring consistent performance regardless of your location. The cos phi 1-regulation optimizes generator capacity, making it an excellent choice for marine settings where power might be limited or variable.

Durable and Weather-Resistant Connections

Designed for the harsh marine environment, the ChargeMaster Plus features solid metal-to-metal connectors with strain relief to prevent corrosion and overheating, ensuring long-lasting and reliable power connections on your vessel.

Efficient Multi-Bank Charging

With three equal charge outputs, the ChargeMaster Plus allows for versatile charging options. Smaller models come with pre-installed two-meter cables for plug & play convenience, while larger models offer one full output for service batteries and two 10 A outputs for starter batteries, giving you flexibility based on your boat’s energy needs.

Constant DC Power Supply

Even when batteries are disconnected, the ChargeMaster Plus can supply a steady DC output, ensuring your boat’s essential systems remain operational. This feature is crucial for maintaining critical functions like lighting and refrigeration during voyages.

Product Specifications

Owner's Manual

Download the Owner's Manual (PDF) for detailed installation instructions and advanced configuration options.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.