【Accurate Testing】:The Battery Checker supports 1.5V 3V and 3.7V level measurement. It is not only suitable for AA AAA 18650 14500 16340 10440 20700 26650 RCR123A C D CR2 CR123 cylindrical battery testing, but also good for checking a wide variety of button cell batteries,including LR44 LR41 LR43 A76 CR2032 CR2025 CR1632 CR1616 CR2450 CR1225 CR1/3N battries.!!!Notes: Do not stack two or more batteries for testing.
【Easy to Use】:With the strong magnetic design, simply place a battery into the decent battery detector, you can firmly attach the battery to the tester. It will shows you quickly the status of your batteries’ health by the using bars.!!!Notes:Before testing, please adjust the contact position between the battery and the magnetic port of the tester to ensure proper contact.
【Portable & Magnetic Design】:Our battery Checker is lightweight and small enough to fit easily into your pocket and magnetic design for easy testing and storage, let it can be attached to a keychain.
【Quick Results】:Correspond the positive and negative terminals of the battery to the positive and negative terminals of the upper measuring appliance, and push the button to the corresponding voltage index. It will accurately shows whether the battery is in poor, weak, or good condition of voltage.
【Saves Time and Money】：With our battery tester, you can avoid the hassle of guessing which batteries are still good and which ones are dead, and avoid purchasing new batteries unnecessarily.(Requires No Battery for Operation)
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