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  1. tesla S battery repair

    Batteries and Charging
    I over charged my battery back in my DIY VW bus EV conversion. I am running (5) tesla S batteries in series. I think the damage is only to one module. I have removed it. There are 10 (18650) batteries with blown fuse wire and testing very low volts. 5 of the 6 groups were reading 4.3x...
  2. Killing Lead Acid batteries

    Batteries and Charging
    I've now overcharged my Trojan T-105's at least four times. I usually leave the charger to do its thing overnight, and twice I've come out around noon to find its still trying to charge the batteries, which are smoking, at 180 degrees F, and have dumped battery acid all over my driveway. I've...
  3. Over charging

    Batteries and Charging
    I didn't die, get burned or have acid splashed in my face. 144V 225 amp hour lead acid Trojans with a Zilla 1K, Warp 9" motor. All winter, the batteries were cold, and the charge was less than full. So I turned my Manzanita up some. Two days ago, I plugged it in, went to sleep and woke to...
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