If you ever worked with lithium batteries, you probably know the TP4056 – a chip for charging lithium batteries with CC-CV profile, two LEDs for…
One of the most useful tools when camping is a flashlight. They come in a ton of different shapes – headlamps, torches, lanterns… I have…
One of my most viewed projects ever (both on Instructables and Github) is my AVR Universal Battery Charger. It was also one of the very…
You probably know that charging lithium batteries isn’t particularly easy. But if you have just a single cell, you can get an IC to do…
I use lithium batteries a lot. However, they are not the easiest to use – you need a dedicated charging IC, complicated protection circuitry, boost…
I work with a lot of 18650 cells. And since I also test them a lot, I obviously need a good battery holder. So I…