Features: Unleash the full potential of 18650 lithium batteries with Real Capacity Tester, for accurate capacity measurement and battery management. Featuring high Precisions digital display, this PCB Ah Load Tester Module to provide multifunctional testing capabilities for enthusiasts and professional. for electronics hobbyists, DIY computer board developer, and individuals to ensures their battery powereds projects run smoothly. Whether you're assembling battery packs or verifying the health of your rechargeable cells, this tester is invaluable asset in any workshop or lab environment. Enhances your battery testing experience with user friendly module, where functionality meets convenience, ensuring that every charge cycle counts. Specifications: Materials: PCB Package Includes: 1PC 18650 Battery Tester note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!