ANENG Portable Magnetic Battery Voltage Capacity Tester 1. Material: ABSsilicone 2. High-definition display screen, the remaining battery power is clear at a glance 3. Soft silicone wire, good flexibility, stretch resistance 4. Can measure No. 1, No. 2, No. 5, No. 7, 9V batteries, button batterieslithium batteries 18650, 26650, 21700, 14500, etc. 1.2V~4.8V range 5. 9V dedicated battery detection interface at the bottom, corresponding to the positive and negative poles detection below 7V is exhausted 6. High-precision detection of lithium battery voltage, whether it is charged or not, the digital display screen is clear at a glance, and it can be quickly measured by aligning the positive and negative poles 7. Mini battery tester, small size and large function, the positive and negative ports are equipped with magnetic suction to absorb the battery for more accurate measurement 8. The tester uses the measuring battery as the power source, and no additional battery needs to be installed 9. Product weight: 13g 10. Product size: 15cm x 2cm x 1cm