Brand: Mastervolt
Mastervolt BI 1203-S Battery Isolator
Mastervolt BI 1203-S Battery Isolator
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The Mastervolt BI 1203-S Isolator is designed to manage charging for systems with two or three independent batteries. Utilizing reliable diode technology, this unit divides charge current between batteries from a single alternator or battery charger.
Key Features:
- Solid-state construction for durability and maintenance-free operation.
- Corrosion-proof housing with integrated aluminum heat sinks for thermal management.
- Diode voltage drop of approximately 0.6 V, which can be compensated for by compatible chargers or regulators.
- Features molded diode splitters and synthetic end plates.
- Equipped with connection lugs and solid bolt connections with nuts and locking rings for secure, straightforward installation.
- Designed for use with 12V or 24V consumer systems.
Product facts
- CT SKU
- CT-111092
- Model / MPN
- 83012031
- Package dimensions
- 4" X 6" X 9"
- Package weight
- 3.1 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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