D-FantiX Battery Tester, Universal Battery Checker Small Battery Testers for AAA AA C D 9V 1.5V Button Cell Household Batteries Model BT-168

In the one week that I owned it, it works as promised and easy to use. Inexpensive and functional.

The D-FantiX Battery Tester was as advertised and I was able to use on the multiple of batteries that I use, successfully. It is good value for money.

I found the battery tester easy to use and accurate. My grandson dropped the first one and ordered a second. I got it the next day. I used it to test some older batteries as well as the small flat batteries. Tester worked well.

I’m pleased with this item. I’m only buying rechargeable batteries so this tool comes in handy. It’s a no brainer. It’s like having a spare tire but no jack!!! It pays for itself after using it on the first checked battery!! Worth every penny!!! Highly recommended

This battery tester is very good as it covers all sizes of batteries. Easy to handle if you get the battery placed correctly! I had it upside down and wondered why it wasn't testing! I would recommend it.

It works well, it is a little difficult to keep the battery aligned, but that is not different from the one I had that no longer works. It is small enough to fit in my battery storage box.

I don’t like leaving negative reviews, but unfortunately, I don’t think this device works as intended. I primarily used it to test new batteries before installing them, just to make sure they weren’t dead after sitting in a drawer for a while. Last night, my fire alarm started chirping to indicate low batteries, so I replaced them. Out of curiosity, I tested the old, clearly depleted batteries with this tester — and it indicated that they were still good. Based on that experience, it seems the device may simply detect minimal remaining charge and report the batteries as “good,” rather than accurately reflecting their usable capacity. That was disappointing, as reliability is especially important when testing batteries for safety devices like smoke alarms.

IT SEEMS TO WORK AS ADVERTISED. I KINDA EXPECTED THAT THE LOWER SLID WOULD BE SPRING LOADED UPWARDS. YOU HAVE TO HOLD THE BATTERY AND SLIDE THE LOWER CONTACT ON TO THE BATTERY. IT'S A NICE TO HAVE ITEM.

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デジタル表示よりこのアナログ表示のほうが良い。

funciona bien, barato y sin pilas

Detta verktyg var ett bra köp. Det är lätt att testa olika batterier.

Je le trouve simple, sans besoin de pile et direct dans son résultat. Très vite on est dans la zone indiquant la charge de la pile. Pour moi c'est suffisant. Ce testeur me rend beaucoup service, j'en suis très ravi.