Features: Double Channel Internal Resistance Tester enables simultaneous capacity and resistance measurements for two batteries, featuring charging/discharging channels with up to 9 automated cycles for efficient battery analysis. Equipped with ±1mΩ precisions resistance testing and Type C powered design, this battery capacity tester ensures rapid diagnostics through smart charging modules and secure 18650 cell clamping. Ideal for battery manufacturers, technicians, and energy storage professional requiring battery analyzers tools for control and performances validations. Optimize workplace efficiency in labs, repair shops, or production lines by testing multiple battery types (including flat top cells) with this compact battery diagnostic tool. Simplifying battery maintenance workflows with auto cycling functionality and device compatibility via Type C connectivity, enhancing testing accuracy while ensuring safety compliance. Specifications: Component: ABS plastic shell Size: 190x50mm/7.48x1.96in Overheating protections: support Stop discharging voltages: 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, a total of 11 levels adjustable Package Includes: 1pc Battery Resistance Tester note: ONLY include a battery tester, other accessories NOT include. Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.