Home > Battery Testers > CARTMAN 12V Car Battery Alternator Tester, Test Battery Condition & Alternator Charging, LED Indication ; Visit the CARTMAN Store
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Battery Testers
Experiential insights by users
About Cartman 12V Car Battery Alternator Tester, Test Battery Condition & Alternator Charging, LED Indication
Overall Feedback:
85% positive
81% praised for its accurate readings, but 19% found inconsistencies.
The tester is accurate and can be easily carried in the glove box or console.
I found the device to be inaccurate as it did not give the expected reading of green/yellow.
72% liked that it's powered by batteries or usb, but 28% found the batteries drained quickly.
After a full charge, the tester shows green and drops to low over the week without registering a fault.
I can now evaluate whether my alternator is bad, if my battery is truly dead or if it holds a charge using the small tester.
I found the device to be inaccurate as it showed a different reading than expected.
79% appreciated its compatibility with multiple battery types
I was able to check the status of the battery and alternator with the device. It saved me from buying a new alternator when the voltage regulator failed.
I tested this battery tester on a Lexus SC400 with a brand new battery that was known to have a bad alternator. The tester showed the alternator as faulty, confirming its functionality.
80% found it easy to operate
It's very easy to use. Just touch the two clips to the positive and negative battery terminals to get a reading in seconds.
Testing a dead or dying battery is easy.
82% found it compact and lightweight, while 18% thought it was bulky.
The battery tester is portable and can be kept in the glove box or console.
The battery tester is not portable as the positive/negative spring or alligator clips are too small to clip onto a standard car battery terminal.
If I'm not good at diagnosing with a multimeter, I would purchase the tool. It worked perfectly with another pocket tester I had to double check and diagnose the charging issues and found the problem quickly.
88% appreciated its compatibility with multiple battery types
Experiential insights by users
I used the tester on 4 different batteries and figured out which battery or alternator was the problem.
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