Chaz Witt Posted May 19, 2019 Share Posted May 19, 2019 My battery packs are shot and instead of forking over $1000 for new battery packs, I wanted to solder an entire new set of Panasonic 18650's. Is this feasible, or would I be better off buying entirely new packs? I found a 100 lot of Panasonic 18650's for $450. Link to comment Share on other sites More sharing options...
h3X Posted May 19, 2019 Share Posted May 19, 2019 It's feasible if you have access to a spot welder for batteries. If not there are ways around that but it takes up more space. Link to comment Share on other sites More sharing options...
Chriull Posted May 20, 2019 Share Posted May 20, 2019 10 hours ago, Chaz Witt said: My battery packs are shot and instead of forking over $1000 for new battery packs, I wanted to solder an entire new set of Panasonic 18650's. Is this feasible, or would I be better off buying entirely new packs? I found a 100 lot of Panasonic 18650's for $450. It's feasable, but personally i would not recommend it. You'd need to make 100+ mechanicly and electricly reliable connections for ~ up to 10A continous and higher peak currents without damaging the cells thermicly. Cell matching seems to be the primary influence for good performing and long living battery packs. The weakest cell is the one which determines your packs capablities, and it'll be the one taking the most stress and deterioate as first... If you decide to build your own pack, this articel seems serious to begin with: https://www.electricbike.com/introduction-battery-design-2/ Link to comment Share on other sites More sharing options...
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