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This toaster-looking gadget boosts your phone’s battery in seconds
(www.theverge.com)
This is a most excellent place for technology news and articles.
The article says the app can be used to limit your charging to 80%.
Still pretty batshit. Swapping external batteries yourself would be too hard?
They would get lost for sure if they left the toaster. You must not have kids. Which i suppose would be a boon for this company to sell you refills.