1. 2.4-inch color display: equipped with high-definition 2.4-inch color screen, the data is clearly visible, intuitive and convenient operation 2. Compatible with lithium iron phosphate batteries: support lithium iron phosphate battery testing, a range of applications to meet a variety of needs 3. spring battery holder design: the use of spring battery holder, battery installation and removal is convenient and fast, to enhance the testing efficiency 4. external test function: support external test mode, can be a variety of types of batteries for accurate testing, strong flexibility 5. Real-time multi-parameter display: real-time display of battery voltage, operating current, capacity measurement and running time, fully grasp the battery status. Channel type: 8 channels, each unrelated, operation, do not affect each other. Channel synchronization: support 8 channels to set up the synchronization, you can also set up the parameters of each channel individually. Cycle charging and discharging: automatic mode only supports charging - discharging - charging 1 cycle, does not support multiple cycles Parameter: Operating voltage: DC 12-19V (standard bare metal, without power supply) Power supply interface: DC5.5 high current interface power supply reverse connection protection: reverse connection protection, prohibit reverse power supply Color:Black Material:ABS Package Contents: 1 * 18650 Battery Capacity Internal Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.