Advanced testing functionality: The 18650 Lithium Battery Capacity Tester is designed with a DC port and features a 2.4inch color screen, allowing for easy monitoring of battery capacity and performance in both charging and discharging modes. User friendly interface: Equipped with a digital battery power detector module, this device provides clear visibility of the charging status, making it suitable for professionals who need accurate battery assessments. Automatic mode for efficiency: The tester offers an automatic mode that intelligently manages charging and discharging cycles with stop voltages, ensuring battery health and longevity. Versatile charging options: This tester supports multiple adjustable charging stop voltages (from 3.7V to 4.2V) and allows for independent channel management, providing flexibility for various battery types while maintaining safety protocols. Use scenarios and applications Research and development labs evaluating 18650 cells or packs for capacity, performance, and reliability. Service centers and shops conducting safe charging tests and accurate battery health assessments before replacement or refurbishment. Smallscale production or workshop environments testing multiple cells in parallel, validating charging thresholds and safety constraints prior to assembly into packs or devices.