Can I use 2 diff brand Group 24 12 volt batteries?

[FFred]

"Install a battery switch w/ A or B. This will allow for age differences....."

This is true but you will get less total amps and shorter batt life than using a pair as a bigger batt.

The reason is the pair will have a higher voltage during the discharge cycle , because less is taken from each.

[mfMcFroggierPod]

This is to overcome the age difference of the batteries. The best solution is to get two of the same age batteries.


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[mfMcFroggierPod]

Oops I missed the " brand" question;
My responses were for age.
A battery switch is still a good idea used for years. By selecting one battery you know you always have a backup, but if you select both when they are weak you have nothing to switch too


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