Manual Battery Switches Automatic Charging Relays Add-A-Battery Kits

Mini Add-A-Battery Kit - 65A [Boxed]

7649003
Don’t get stranded  – Add a Battery!  

Adding a second battery to the electrical system prevents the unintended discharge of the engine start battery.

 

Blue Sea Systems smaller, more compact version of the popular Add-A-Battery kit was primarily designed for outboard powered boats with alternator output of 65A or less.

 

When installed, the Mini Add-A-Battery isolates the start battery from the house loads which prevents the discharge of the start battery. The Mini Add-A-Battery offers a simple way to control the charging and battery switching of two battery banks. The M-Series Dual Circuit Plus™ Battery Switch simplifies the switching while the M-ACR automates charging between two batteries.

MSRP: $131.99
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Frequently Asked Questions

Q: Can I ground to the chassis when installing in a vehicle?

A:
Run the negative wire for the ACR directly to the battery negative terminal of one of the batteries. A chassis ground is often insufficient to allow proper operation.

Q: Do the battery switches switch the negative?

A:
In most cases no. The most common battery systems switch the positives and bus the negatives

Q: Can I use battery protectant on my Blue Sea Systems Battery Switch and if so, what type?

A:
Yes, a marine grade protectant applied according to its instructions is acceptable.

Q: Which Add-A-Battery Kit do I need?

A:
For engines with charging systems up to 65 amps, the 7649. For engines with charging systems up to 120 amps, the 7650.

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