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ETek Lab Blog

Category: 18650 Battery Tester/Charger

Repurposed 18650 Batteries into a power station – pt1.4

part 1.4 : cooling and completion! I finally finished to put together the tester and charger system! By itself it would probably deserve a project category on it own but I’m lazy and tired so for now, it is what it is. Last time I left off with a pretty usable system but it was […]

Published on October 2, 2024
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Repurposed 18650 Batteries into a power station – pt1.3

Part 1.3 : Charger/discharger completion… ish? So, the next step was to install the PSU and wire everything, which went rather well. The connector did fit super nicely in the slot designed for it and I opted for only putting 2 screws instead of 4 on the PSU since it is pretty solid like that. […]

Published on September 27, 2024
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Repurposed 18650 Batteries into a power station – pt1.2

Part 1.2 : Progress on the charger/discharger So, since I needed to make a charger and discharger to test the tons of 18650s I’ll have to deal with, I decided to make it convenient. plus the form factor of the discharger is a bit odd to work with. At this point, I designed a frame […]

Published on September 21, 2024
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Repurposed 18650 Batteries into a power station – pt1.1

Part 1.1 : Getting the right tools for the job. Since I had these grandiose idea with limited tools, it was a bit long and difficult to do all the testing needed. So as my usual self, I ended up ordering the stuff I needed to make a proper charging and discharging station. The station […]

Published on September 21, 2024
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