Widely Compatible: A wide variety of different types of batteries can be tested.AA AAA NI-MH C D LI-ION 18650 14500 18500 10440 NI-MH 9V LI 9V Alkaline Batteries
Easy to Use: Powered by 9V Battery (Not Included). Simple place the battery into the tester. And turn on the tester and to get the correct reader. NOTE: The 9V battery is broken if the red light flashing when 9v batteries pluged in, the test battery is broken if the led shows "Zero".
LED Screen: Easy-to-use analyzer shows what you need to know about your battery's health, it will accurately shows whether the battery is in poor, weak, or good condition of voltage.
Small and portable: Voltage Range: 0V-100V Dimensions: 60mm*50mm*160mm Weight:118.6g.It is very convenient to take for travel.
Saving money: When you add it to your shopping cart and order it, you will enjoy 100% service and save you money to buy bad batteries.