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Mastervolt  |  SKU: LOS-103705

Mastervolt Charge Mate Pro Lithium 40

$249.99 USD $315.00

Product Description

The Charge Mate Pro Lithium 40 is the premier choice for marine enthusiasts seeking optimal battery management on their vessels. Engineered for high efficiency and robust protection, this advanced electronic charge relay ensures your dual battery systems operate seamlessly, providing reliable power where you need it most.

Superior Battery Management for Your Vessel

In marine environments, maintaining the integrity of both your starter and service batteries is crucial. The Charge Mate Pro Lithium 40 expertly manages the distribution of power from your alternator or charger, ensuring that both batteries are charged effectively. By intelligently connecting the batteries during charging and isolating them during discharge, it prevents the depletion of your starter battery, keeping your vessel's essential systems running smoothly.

Intelligent Dual Battery Charging

Unlike traditional mechanical charge relays, the Charge Mate Pro Lithium 40 utilizes advanced electronics to regulate charge currents. This prioritizes the charging of your primary battery while limiting the charge to the secondary battery to 40 amps. Additionally, it automatically blocks any return current, even if the secondary battery's voltage surpasses that of the primary, ensuring battery longevity and system reliability.

Key Features

  • Advanced Electronic Charge Coupling: Minimal voltage drop for maximum charging efficiency.
  • Effective Dual Battery Charging: Optimally charges both primary and secondary batteries.
  • Wide Battery Compatibility: Supports Lithium starter batteries and AGM/GEL/Lithium service batteries.
  • Current Limiting: Caps charge current to the secondary battery at 40 A, protecting the primary battery.
  • Unidirectional Design: Prevents any return current under all conditions.
  • Power Dip Prevention: Maintains consistent performance in the onboard electrical network.
  • Universal Compatibility: Works with all types of chargers and alternators for versatile installation.
  • LED Status Indicators: Easy monitoring of system status and warnings.
  • Durable Construction: IP65-rated electronics in a corrosion-resistant casing with aluminum heat sinks.
  • Streamlined Installation: Saves time and effort during setup.
  • Optional Bypass Switch: Enables emergency start function for added flexibility and safety.

Ideal Applications

The Charge Mate Pro Lithium 40 is perfect for a wide range of marine and boating applications, both leisure and professional. It's especially beneficial for systems with high power demands, such as:

  • Bow thrusters
  • Additional lighting systems
  • Marine electronics and navigational equipment
  • Fishing gear and refrigeration systems

By ensuring prioritized and current-limited charging, the Charge Mate Pro enhances the reliability and longevity of your boat's battery systems.

General Specifications

Feature Specification
Monitoring LED indicators for warnings and status updates
Output Current Capped at 40 A for the secondary battery
Battery Connections Dual outlets for seamless integration
Input Voltage Range 9-32 V to accommodate various power systems
Parallel Configuration Supports parallel battery setups
Battery Voltage Detection Automatically detects 12V or 24V systems
Remote Switch Functions Options for On, Off, Auto, and Start Assist control
Dimensions (H x W x D) 157 x 140 x 80 mm / 6.2 x 5.5 x 3.1 inches
Weight 0.88 kg / 1.9 lbs
Compliance CE certified for safety and quality standards

Technical Specifications

Technical Aspect Specification
Connection Options 3 x fast-on connectors for switch, ground, and status
  • Switch: Compatible with an optional single pole ON-OFF-ON remote switch for convenient operation
  • Status: Supports an optional LED indicator for real-time status updates
Power Consumption Less than 1 mA when the switch is open at 12/24 V DC
Battery Compatibility Suitable for charging from Lithium starter batteries and all other battery types.
Use part number 83304002 for AGM/GEL starter battery applications.
Switch-On Voltage 13.7 V (12 V systems) / 27.4 V (24 V systems)
Switch-On Delay 5 seconds to ensure stable voltage before activation
Switch-Off Voltage 13.3 V (12 V systems) / 26.6 V (24 V systems)
Switch-Off Delay 2.5 seconds to prevent frequent cycling
Relay Type Electronically controlled using MOSFETs with a maximum voltage drop of 0.2 V for efficient operation
Operating Temperature Range -40°C to 60°C
Protection Rating IP65 for reliable performance in harsh and corrosive marine environments

Easy Access to Resources

Download Owner's Manual (PDF)

Download Brochure (PDF)

Delivery and Shipping

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.

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