power bank 16350 x16psc 12.8 Ah 47Whpower board LX-LBU2C 1$PALO Cr123a, 16340/16350, 3,7V 800mAh 16psc 22$ https:cutt.ly/lwOAimPRthese batteries are in disposable vapes , when I accumulated a lot of them, I made a power bank. do not throw away the batteries, it harms the earth! many things can be reused, and if you, like me, can recycle anything,, then you will bring great benefits to the environment