Educate me on 18650 batteries

[kc8adu]

good choice.

 

[kc8adu]

they will "work" but you dont know how well without a good analyzing charger.
Originally Posted By: Leo99
I ripped open an old laptop battery and took out all the 18650 batteries. 1 or 2 wouldn't charge but the rest are good for a $20 flashlight.

 

[Quattro Pete]

My first foray into unprotected 18650 cells... Samsung 30Q:

 

[kc8adu]

good choice.
btw thats what i put in some of my versapak sticks.
they are doing better than the nicads ever did even new.
Originally Posted By: Quattro Pete
My first foray into unprotected 18650 cells... Samsung 30Q: