Quote:
Originally Posted by dmjlambert
I don't believe that charging batteries in series is the best choice. If you're going to charge the batteries off board anyway, charge them individually or charge them in parallel with a 12V charger if they are the same capacity and same age.
There are battery balancers you can buy in order to charge them, but I think it's likely to be pseudo-science, or more expensive than a 12V charger. I'm not convinced there is really such a thing as balancing batteries for household or vehicle applications using plain lead-acid batteries.
Did the original charging system built into the scooter fail, and that is why you're trying to do something different?
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The charging port on the scooter is OK. The TZORA manufacture wants $600 for a battery pair consisting of 2-35AH batteries. I want to make my own battery pack 0f 2/50AH that would be half the price. with the 24V charger I have will sense 12V and drop to that. I use the scooter in my yard/field much like it were a go cart/scooter. It drives well on or semi-off road. anyway the company wants to sell me an off board charger connect which hooks up to their wall-wart at a cost of 100. My charger has %/V/A gauge on it to monitor. I think using the Anderson 50amp connectors with heavy cables is more efficient than a factory charger end with a 3 pole mike connector with probably 18 gauge wire. I also think a better balance of 2 (like) would be 24 volts. I thank all of you fpr the diagrams and the more I sudy the series the more two wire connectors made into a two battery 12v charger is cheaper than another 12v charger. I guess the military 24v theory comes to mind.