• @shyguyblue@lemmy.world
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    196 months ago

    During the pandemic my car sat in the garage until the battery died. After 7 hours of charging it, turned on the car and found the hybrid battery was almost full.

    I get why the high and low voltage systems are separate, but damn that was one of those “Really!?” moments…

    • @AceBonobo@lemmy.world
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      76 months ago

      It’s much much much cheaper to use the same 12V systems that other cars use.

      Kia/hyundai solved this by having a disconnect on their (li-ion) 12V battery. When the voltage gets low it completely isolates the battery. There is a button inside the car that reconnects it right before starting the car.