http://www.cleverscampcamp.com/bag-long/
How long will a laptop battery last if it `s sitting in the bag?
if I have two batteries, and i load two,,,, and I have only one port for the battery, I carry one in my bag,,, how long it will last only SITTING IN THE BAG?
A battery Lithium will last for weeks without recharging – at least not mine. Yo land swap my primary batteries and periodically to refresh.
Sealing Mylar bags with Oxygen absorbers in 5gal buckets for long term food storage