Versatile Testing Instrument: This electronic battery tool is suitable for a wide range of uses, making it a general device for both professionals and hobbyists in the watchmaking industry. It tests AA, AAA, C, D, N, button cell, lithium, and camera batteries with voltages from 1.5V to 22.5V. Accurate Battery Capacity Detecting: Designed for watchmakers and technicians, this instrument provides precise battery testing, allowing users to efficiently diagnose battery issues and check battery conditions quickly, helping to streamline the process. Gentle and No Risk Design: With careful craftsmanship, the tool is designed to avoid any scratching or damage to precious watch surfaces, ensuring that valuable timepieces remain pristine during testing, making it a reliable choice for delicate applications. Convenient Electric Voltage Tester: Primarily used for testing watch batteries, it features a meter for easy reading and quick checks. The tool is made from plastic materials, ensuring durability and longlasting use over time. Use scenarios In a watch service setting, quickly test and verify the voltage and capacity of various battery types before installation or replacement to ensure reliable operation. During camera or remote control maintenance, screen spare batteries for voltage and health prior to use to prevent fitment issues or failures. For hobbyists and technicians, evaluate multiple battery types to compare performance and establish a quick reference for battery selection in projects.