PPDRAW Electric Tester, Automotive Battery Voltage and Parasitic Draw Monitor with OBDII Connection

Works really good in the aspect of the tool itself, but does not link up to the app consistently. It's kind of all over the place

It is good.

Keeps the memory alive a must on a Mini to save the comfort ECU .

Works great, have been able to easily find a few draws already and cut down on diag time. A thing to remember though, is this 12v battery within the unit can accidentally wake up some modules, so be careful when verifying actual causes.

This tool is awesome! I use it two different ways. It is largely used as a memory maintainer while replacing a battery which keeps me from having to reinitialize anything after the repair. I have also used it during diagnosis for parasitic draw and I have compared it to the reading on my meter. It's accurate. And it is SO much easier to use than the old conventional methods. It seems to be solidly built so I would definitely recommend for anyone involved in electrical diagnosis.