Power bank (DIY) in 60s || Full video: https://youtu.be/yEbbhTw0kno ||... | TikTok
I followed this constant current load circuit from greatscott to determine my 18650 battery capacities. Instead of the 500k pot i used 100k and for the mosfet i used K4111 n channel
Great Scott Gadgets ANT500 Telescopic Antenna (75 MHz to 1 GHz) | Elektor
SCOTT 805840-01 C420 NiMH Battery Charger with scott c420 battery | eBay
Every Device should have this Upgrade! (Endless Battery Run Time) - YouTube