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9v battery tester

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9v battery tester Customers Reviews

  • Useful for my work

    posted by Riobary

    Help to indicate if your batteries are ok or in need of replacement/recharge. This device is rather important especially if you have a set of batteries which are new and which are dead. Easy to use. Able to read AA, AAA, C, D and 9V.
    Not able to read the round CR batteries. Hope it can be in % reading.
    Useful little gadget for techy people. Recommended item.
  • Works as expected, fairly well built

    posted by vechog

    Bought this to quickly test batteries used for toys and other devices. Helps verify if a battery is completely dead. Works well on 1.5v batteries.
    It is fairly well built and I didn't have any issues using it for different types of 1.5 v batteries.
    Works well, helps you make good use of batteries.
  • Cheap and apparently accurate.

    posted by ace-at-mind

    I have tested several known diamonds with this. I also tested several other non-diamond stones. It was correct 100% of the time.
    Build quality is sufficient.
    Comes with a case, with a protective plastic block to protect the probe tip.
    Comes with a stone tray.
    Good and cheap for quick diamond detection.
    Get it if you need it, you won't be disappointed.
  • Does work, but accuracy is not good...

    posted by adrianomm

    It is a good product, it does work as advertised. Easy to use, you can measure a 1,5/1,2 battery as well as a 9V. I did not make any AC/wall test, but I guess that works.
    Easy to use and save. Very cheap, cheaper than a meter. Good for senior citizens and people who does not know how to use a full multimeter.
    Cheap and easy to use.

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