Compact, lightweight 10,000mAh external battery

The Anker PowerCore is advertised as the "smallest and lightest 10,000mAh portable charger." That may be true. It's smaller than a deck of cards, which is smaller than any 10,000mAh charger I've seen. Amazon has them on sale for $19 right now.

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  1. renke says:

    is lithium storage regulated? @frauenfelder must have tonnes of the stuff laying around.

  2. any firsthand knowledge of this product either? i swear, why even write anything if you don't have any knowledge of it? why not just post a link and say "we get money if you click here."

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