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auxiliary 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...
  2. auxiliary battery, DC Converter and EV-Display

    Batteries and Charging
    I am planing the Details of my EV, my question is related to EV Display, DC-DC Converter and the aux Battery. In the EV Display User Guide it says that Zero Point calibration is very important and should be made when there is no current in the battery circuit (EV Display needs 12V). As i use...
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