How I check, test, and charge my AA and AAA batteries - and sift out defective ones

I stopped guessing which AA batteries are dead - this charging station keeps them in check for me ...

The only USB-C AA battery I’d buy for myself is the Zepath 3600

The answer seems to be yes! Knowing what I now know, the Zepath 3600mWh is the only rechargeable lithium-ion AA I’d buy for ...