Features: Experience precise battery testing with this 8 channel 18650 lithium battery tester, feature a 2.4inch color screen for realtime monitoring of charges/discharge cycles and internal resistance. This tester boasts eight independent channel, allowing for simultaneous or individual operation without interferences, and supports automatic model for seamlessly charging discharging charging cycles. For electronics enthusiasts and professional who require accurate battery performances analysis, this device is perfect for those working with lithium batteries in various applications. Use this tester in laboratory, workshops, or at homes to ensure your 18650 batteries is performing optimally, thanks to its compacts designs and active heat dissipation system. With adjustable voltages setting and reverse connection protections, this lithium battery tester ensures safety and precise, making it a essential tool for anyone dealing with rechargeable batteries. Specifications: Component:Aluminum Base +PCB Size:Approx.37x110x310mm/1.45x4.33x12.2inch Color:Black Package Includes: 1pcs 8 Channel Lithium Battery Tester note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.