Practical helper: Simply check the current battery level | Is very suitable for determining whether the battery in the drawer etc. is used up or not, can quickly measure the voltage of the battery and display the test result digitally.
Flexible use: suitable for AAA, AA, C, D, 9V block and button batteries and other battery types | There are two different contact points on the device; 1.5 V + 9 V batteries can be used for measurement.
Operation is simple: insert the battery according to the polarity direction-read out-done! | Slider adjustable to different battery sizes | Three-color simulation shows clear results | No additional power supply required.
Easy to read: The handheld device is designed to be easy to read.
No battery required: The battery tester is activated by the battery to be tested and can be operated without a battery. Test battery life anytime, anywhere.
