Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank

The Battery Mate 2503 IG Isolator is a high-performance solution designed for marine and boating applications, allowing you to efficiently charge multiple battery banks simultaneously with ease and precision.

Advanced Charging Technology

Unlike traditional battery isolators that use diodes, the Battery Mate utilizes electronic technology with MOSFET transistors. This ensures minimal voltage loss between the alternator and batteries, providing faster and more complete charging without the need for additional adjustments to your alternator.

Key Features

• High Current Capacity: 200 Amp rating supports three battery banks for extensive energy storage.
• Versatile Compatibility: Works seamlessly with all types of alternators and battery chargers, suitable for both existing and new electrical systems.
• Smart Voltage Compensation: Automatically adjusts for voltage variations, maintaining optimal charging levels across multiple battery banks.
• Easy Installation: Mounts effortlessly on a standard DIN rail, facilitating a straightforward installation process.
• Additional IG Contact: Equipped with an IG contact for applications requiring external excitation or voltage sensing.

Benefits for Marine Applications

Ensure reliable power management on your vessel by effectively charging and managing multiple battery banks. The Battery Mate's electronic isolator technology enhances the performance and longevity of your batteries, providing peace of mind during your marine adventures.

Technical Specifications

Installation Instructions

Connect the input side of the Battery Mate to your alternator and/or battery charger. Then, link your battery banks to the output side. The device can be securely installed on a standard DIN rail, making the setup process quick and efficient for marine environments.

Safety Information

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

Downloads

• Quick Guide (PDF)
• Owner's Manual (PDF)

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.