In this video I show you a simple way to increase the run time between charges by as much as 20 x on this inexpensive and very popular component tester.

Files are included in this link, all I would ask is that you please like and if your not subscribed please subscribe and share this video.

Note. There is also a version of the case lower without the 18650 supports to enable larger flat cells to be installed, please read the readme file in the zip file.

https://drive.google.com/file/d/1IT4k...