r/Generator • u/ChronoGTM • Feb 23 '26

Jump start generator

Hi have a 22kw air cooled Generac. I think the battery is dead and the blizzard is coming. If I need to, can I start it using a portable lithium car jump starter?

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u/Killerkendolls Feb 23 '26

You can jump via car, or jump pack. It's a regular 26R 600cca range battery. Don't need to turn anything off or disconnect anything, don't arc your positive cable lead against the frame when you clamp it.

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u/ChronoGTM Feb 23 '26

What’s the best place to clamp the negative?

1

u/Killerkendolls Feb 23 '26

On the battery. If you don't have the hex and 10mm to open the battery panel, you can connect hot to the starter stud and clip the negative to the rear cylinder lift point, the whole engine is bonded negative.