Moderators: robnewyork, bassiclyLouDog, gameboy

i have 2 banks of 24 volt, 12 amp-hour batteries, in parallel. i charge them as a single bank. my question is, i am building up a trailer for my scooter for extended range, see pics in my other posts. i am considering buying a 36 Ah battery for the trailer; would it need to be charged separately, or can it be charged in parallel with my 2 banks of 12 Ah batteries? i use a charger made for mobility scooters, 24 volt, 7 amps.
you would need to monitor all the batteries as indivuals , so a meter for each one to see which bottoms out at 11v first.. then hit the charger.. just a bad idea in general.. if i had a 110ah , id just buy another and run 24v 110ah

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