Works ok. Easy to use,works great just follow the instructions you get the correct answer I use this before and after installing my battery and the alternator and work great.
Works great, good to have.
I obviously know how to use a multimeter but I just bought this to throw in my car as I buy and sell used cars all the time and it’s a quick, small, and simple way of testing batteries/alternators on the go.
I use it a few times work good but the cables on the end that connects to the battery are really small you have to connect it a certain way before it can fit and give a good reading but other than that it works pretty good.
Did not tell me that my battery was bad.
Doesn't work, even if it did clamps are to small to fit on battery terminals!
I used this to test my battery state about a week ago and it showed that my battery was in good condition.
Save a little bit of money and don’t purchase it because it is not accurate and doesn’t do the job it states it does.