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Lightweight, longer lasting, better performing, lithium battery upgrade

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1 hour ago, Rupp11 said:

I recently bought the B3121 for a race car that runs maybe once a month.  What is the best Braille charger to use?  Can I use my Optima AGM charger as well?


Should be fine.  Any modern “smart charger” designed for AGM batteries is good.  

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