Fangrui Product Details 1. H5 12v-48v Lead-acid Battery Voltage Tester Percentage Voltmeter Gauge Lithium Battery Status Monitor 2. Features 3. Monitoring The Battery Power Percentage By This Mini Tester. 4. Easy To Read The Value In Dark Environment With The Backlight. 5. Suitable For Testing 12v24v36v48v Lead Acid Battery, Ternary Lithium Battery, Polymer Lithium-ion Battery, 3-15 Series Lithium-ion Battery, Storage Battery, Water Battery, Etc.. 6. Designed To Test The Voltage, Current And Capacity Of Battery, And Display Them With Intuitive Battery Symbol And Percentage. Users Can Know The State Of Battery In Time. 7. Widely Used For Cars, Motorcycles, Scooters, Bikes, Power Bank, Test Equipment, Etc. 8. Work Voltage: 5-70v 9. Work Current: 3-6ma 10. Display: Htn Lcd With Backlit 11. Suitable For: 3-15 X 3.7v Lithium Batteries; Lead Acid Batteries 12v, 24v, 36v, 48v 12. Dimensions: 43.3 X 23.6mm 13. Mounting Hole Size: 40.8 X 20.8mm 14. Wire Length: 30cm