JasonWW
(JasonWW)
49
You probably could do that if you are adventurous. The same way people swap 18650 in tool battery packs. You take the battery pack out of the tube, slice the blue shrink wrap then disconnect all the spot welded connectors. Swap the batteries to the brand you want, them either spot weld or solder the packs back together. You can buy heatshrink tubing for 4 x 18650 online. Put it all back together and back into the black tube. It’s not a job for a beginner, but I’m sure it can be done.
Ps, Don’t let the factory know because it will void the warranty.