6s2p/12s 21700 Battery Pack
thingiverse
The main purpose of this battery pack is an ultra-long range drone fly. I assembled it with the intention of reach a total flight distance >25km. To achieve this goal, i need a really good cell with high discharge rate and as many as Wh possible. Molicel INR21700-P42A is the one for me. You can find them on this site: https://eu.nkon.nl/rechargeable/li-ion/21700-20700-size/molicel-21700a-4200mah-30a.html If you want to build your own version, you MUST use a spot welder to connect the cell together. A normal soldering iron will cause them to overheat and degrade their performance.
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