When a Jump Starter May Be Needed

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Electric vehicles (EVs) typically don't need jump starters in the same way internal combustion engine (ICE) cars do. However, there are scenarios where a jump starter might be useful for an EV. EVs still have a 12-volt auxiliary battery, typically used to power non-motor functions like:
  • Lights
  • Infotainment systems
  • Power windows
  • Control modules

If this 12-volt battery dies, the EV may not "wake up," even if the main drive battery is fully charged. In such cases:
  • A jump starter can be used to recharge or "boost" the 12-volt battery to get the car operational again.
  • Once the 12-volt battery is boosted, the main drive battery can take over and recharge it.
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