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document updated 3 months ago, on Nov 2, 2022

emergency power

Let's talk rechargeable battery chemistry. (I know, fun!)

Lead-acid (deep cycle)

see http://www.arrl.org/files/file/Public%20Service/TrainingModules/Emergency-Power-for-Amateur-Radio-Stations-SoCal-ERC-Aug-2010.pdf#page=21

Lithium-ion

Gasoline

This isn't a battery type, but it is a valid source of electricity in an emergency situation.