SKU: CW54857
UPC: 816882021053
MPN: 83125035
The Mastervolt Battery Mate 2503 IG Isolator is a 200-amp, 3-bank intelligent battery isolator designed for vehicle builders, off-road enthusiasts, and anyone running multiple battery systems in trucks, RVs, marine vessels, or auxiliary power setups. This isolator is essential for preventing parasitic drain on your primary starting battery while managing the connection of multiple battery banks.
The intelligent gate (IG) technology in the Mastervolt Battery Mate 2503 IG continuously monitors battery voltage and automatically connects or isolates banks based on real-time electrical demand and charge state. Unlike basic solenoid isolators that rely on simple voltage thresholds, this 200-amp rated isolator uses microprocessor logic to prevent cross-discharge and extend battery life across all three banks.
Ideal for mechanics and fabricators installing dual or triple battery banks in trucks, expedition vehicles, or marine applications, the compact footprint and lightweight design make it suitable for tight spaces. With a 200-amp rating, it can handle significant current draws from modern alternators and high-output charging systems without overheating.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
