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12v battery

  1. How long does your 12V auxiliary battery last?

    All EV Conversions and Builds
    Hi all, I use a 22ah deep cycle auxiliary battery for my electric MR2 and after close to 2 years of driving, it is showing signs of degradation. After parking 3 days over a long weekend without driving, the ignition fails to turn on. I've recently swapped it out with a new one, and took the...