Brand: Sea-Dog
Sea-Dog Smart Dual Battery Isolator, 140A, 12VDC
Sea-Dog Smart Dual Battery Isolator, 140A, 12VDC
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The Sea-Dog Smart Dual Battery Isolator is a 12VDC, 140A unit designed to automatically manage charging for dual battery systems. It ensures the primary starting battery remains charged by isolating it from the auxiliary battery, automatically engaging or disengaging based on voltage levels to prevent accidental discharge.
- Cut-in voltage: 13.3V
- Cut-out voltage: 12.8V
- Construction: Machined brass with durable silver-tipped contacts
- Housing: Weatherproof, injection-molded nylon with IP65 rating
- Features: Surge protected, LED status indicator
- Installation: Includes two #8 RH fasteners
- Regulatory note: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Model number: 422790-1
Product facts
- CT SKU
- CT-108578
- Model / MPN
- 422790-1
- UPC / GTIN
- 035514432559
- Package dimensions
- 3" X 4" X 7"
- Package weight
- 0.5 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.
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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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