DIY Powerbank & Portable Lab Power Supply from a Scooter Battery [78 000mAh - 280Wh]
0:00 intro & big reveal
3:48 3D prints overview
6:28 onshape 3D design overview
8:02 load tests
16:41 block diagram
19:02 teardown
A huge powerbank built from a XIAOMI Scooter Battery Pack (m365 in this case).
The nice thing is that these batteries will operate just fine without any prior negotiation/handshaking/marriage/etc.
I'll report back when I add a 2nd battery to this setup 🤘.