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[-] rasensprenger@feddit.de 4 points 1 year ago

Charging the internal battery from an external one loses a lot of energy, battery charging is very far from 100% efficient A phone might not use enough energy for this to make much of a difference, but you need to build and carry beefier battery banks compared to internal batteries, and I'm not sure whether you'll see a net benifit

this post was submitted on 20 Aug 2023
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