Dual Battery Kit w/ Voltage Sensitive Relay

Dual Battery Kit w/ Voltage Sensitive Relay

Marsoni

M251S

$181.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Dual Battery Kit w/ Voltage Sensitive RelayDetails: Automatically isolates the starting battery from the auxiliary batterySuitable for 4X4, Marine, Truck, Caravan & camping applicationsNo need to modify vehicle wiringKit contains all components required to complete the jobVoltage sensitive relay rated at 140 amps with emergency parallel switchProven reliability over many yearsEasy to install

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Fast: 2-3 business days
Express: 1-2 business days

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I absolutely love these for my garage. An absolute must to have to elevate functionality, and space as a whole. Great upgrade. If you get a metal sheet to attach it onto without any screws- perfect. One down side is you can’t put too much weight on it if you are not mounting it by screws obviously. But holds my wrenches like a pro.

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Reviewed in the United States on May 27, 2026

Verified Purchase

Amazon Customer

Cuba, US

★★★★★ 5

Great!

Size: 12inch

These are awesome. Really a great way to store tools.

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Reviewed in the United States on May 7, 2026

Verified Purchase

Sunflower Woodworx

Charlottesville, US

★★★★★ 5

The Force is Strong with This One

Size: 12inch

These are pretty robust and strong. Wish they also sold 18” and 25” models, but imagine I would never be able to dismount them. Ordered some more because I ran out of room on the ones I bought.

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Reviewed in the United States on February 7, 2026

Verified Purchase

Jonathan

New York, US

★★★★★ 3

Half product

Size: 17inch

Only one of the magnetic strips were actually magnetic. 3 stars cause only half of the product worked.

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Reviewed in the United States on May 25, 2026