Lithiun Ion Battery Caution

HemiSSDart said
A LI battery I was charging for my drill caused this, I try not to use ANY LI batteries if there are other types available...

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***edit***

sorry, I wanted to correct this. I mistook that shop vac for a wheeled battery charger on first glance. That’s what I get for skimming through too quickly on my phone and not expanding the picture.