18650 are *everywhere* from hand tools, drones and vapes to Teslas and scooters.... | Hacker News

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		out_of_protocol 79 days ago \| parent \| context \| favorite \| on: Sodium-ion batteries have started to appear in car... 18650 are everywhere from hand tools, drones and vapes to Teslas and scooters. High energy per cell (up to 3600 mAh * 3.7V ~= 13Wh) and fairly cheap

Gigachad 78 days ago [–]

Almost nothing lets you replace the cells individually though. They seal them in a pack which requires buying a replacement proprietary pack.

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