Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Function: Ultra-thin power display, 5 LED indicators, display more intuitive and beautiful. _x005f_x000D_ Instructions for use: _x005f_x000D_ 1. Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. Press the red button with your finger, the IED indicator will light up. Display the real-time battery level. _x005f_x000D_ 2. Release your finger, the LED will turn off after 3-5 seconds, no power consumption when stationary. _x005f_x000D_ 3. With reverse connection function, even if the positive and negative connections will not burn out, it can be adjusted. _x005f_x000D_ Lithium battery pack display power parameters: (the following data is for reference, there will be a 2% error range) _x005f_x000D_ (Note: N is the number of battery pack sections) _x005f_x000D_ The first power indicator is red; _x005f_x000D_ Battery voltage is greater than Nx3.3V, the second blue color lights up; _x005f_x000D_ Battery voltage is greater than Nx3.5V, the third blue light; _x005f_x000D_ Battery voltage is greater than Nx3.7V, the fourth blue lights up; _x005f_x000D_ Battery voltage greater than Nx3.9V, 5th blue bright. _x005f_x000D_ Product Size: 60.00x15.00x3mm/2.36x0.59x0.39inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1*Lithium Battery Capacity Indicator 1.Superior Quality: Experience superior product quality with our lithium battery capacity indicator. Its ultra-thin display screen and 5 LED indicator lights provide a more intuitive and aesthetically pleasing battery level display. 2.Accurate Measurements: Our lithium battery power level tester ensures precise measurements with minimal error, allowing you to monitor the real-time battery capacity effectively. 3.Strong Interference Resistance: With exceptional interference resistance, this li-ion charge discharge PCB module is suitable for various scenarios, ensuring reliable performance even in challenging environments. 4.Compact Size, User-Friendly: The compact dimensions of our battery capacity tester level indicator make it easy to handle and operate. Its simple instructions and user-friendly design enhance the overall experience for users. 5.Safe and Reliable: Rest assured knowing that our li-ion battery percentage indicator is designed for safety and reliability. It operates steadily, providing stable performance and peace of mind during usage.