Maybe you get the new neware battery tester which Unit ID has same with older one.
So you have to modify the new neware battery tester Unit ID to different number, here is step-by-step tutorial teach you how to change the neware tester Unit ID (BTS 4000 series)
Follow the steps to install the NwMod software:
You will get the NwMod icon on the desktop:
Open it with high permission:
Follow below link to download the tutorial document and NwMod software.
Contact us if you have any query !