With the first generation of e-bikes and EVs nearing the end of their useful life, their used batteries are starting to become available at unbeatable prices - and they're still plenty good for serving as stationary storage. So let's build one to power my computers through the night!
This video is sponsored by JCPCB: $2 for 5 PCB, $0 SMT fee, https://jlcpcb.com/RHS

Components used (build at your own risk!)
Boost converter (12V to battery) http://go.toms3d.org/20ABoost
Buck converter (battery to 12V) http://go.toms3d.org/20ABuck
Battery protection board https://www.banggood.com/5pcs-6S-14A-...
Balancer http://go.toms3d.org/Balaaaaaancer
24V relay http://go.toms3d.org/24Vrelay
Ammo crates http://go.toms3d.org/AmmoCrates

PCB files + Firmware. Yeah, these are a bit ugly. Use for inspiration only.
https://toms3d.org/uploads/DCPW_pub_2...

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