Review on 🔋 XTAR VC8 8-Bay Smart Charger: USB C & 21700 Battery Charger with LCD Display - Fast Charging for Li-ion & Ni-MH Batteries - Compatible with 18650, 21700, 10440, 16340, 18700, 26650 by Scott Maddocks

I have used 2 of the 3 units for over a week and one for almost a week non stop 24/7 for the battery issues shown below using RevainBasic batteries. My Q charges operated at 8-9 volts and sometimes at 5 volts. ============================================== = I order 3 Sets or total of 48 AA batteries RevainBasics 3 failed on 700 mAh and 6 1800 mAh of 48 AA batteries. I charged and discharged them with the XTAR VC8 8 slot charger. I also bought 3 x TAR VC8, 3 x AA-16ea and 3 x AAA-12ea, 3 x C-Cell-4ea and 3 x D-Cell-4ea. Plus 6 sets of Duracell 2500mAh x 4 AA batteries and chargers. A total of 124 batteries are each charged and discharged many times. Testing all of these batteries and retesting the weak ones for multiple discharge cycles takes about a week. So 9 Kess with 2000 mAh, 3 of them under 700 mAh. This was the average of every box of AA batteries that has 1 battery less than 700 and 2 less than 1800. However, all AAA batteries have a capacity within 50mAh of 200 or more.