Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Relay _x005f_x000D_ Condition: New _x005f_x000D_ Use method: _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 lightly with your finger, the IED light will be on to show the real-time battery level. _x005f_x000D_ 2. Release your finger, the LED light will be off after 3-5 seconds delay, no power consumption at all when static. _x005f_x000D_ 3. With reverse connection function, even if the positive and negative connection will not burn, adjust over can. _x005f_x000D_ Lithium battery pack display power parameters: (the following data is a reference value, there will be a 2% error range, high requirements do not shoot) _x005f_x000D_ Warm tips: 3.7V lithium-ion battery with a red power indicator, four green power indicator (other voltage range is a red power indicator, four blue power indicator) _x005f_x000D_ (Note: N is on behalf of the number of battery sections) _x005f_x000D_ 1 red power indicator _x005f_x000D_ Battery voltage is greater than N x 3.3V, light up the 2nd blue colour. _x005f_x000D_ Battery voltage greater than N x 3.5V, light up the 3rd blue colour _x005f_x000D_ Battery voltage is greater than N x 3.7V, the 4th blue colour is on. _x005f_x000D_ Battery voltage is greater than N x 3.9V, the 5th blue colour will be on. _x005f_x000D_ 12V lead-acid voltage range: (can use 4 strings of lithium iron phosphate batteries) _x005f_x000D_ Power indicator is red _x005f_x000D_ Battery voltage greater than 11.0V, light up the 2nd blue colour _x005f_x000D_ Battery voltage greater than 11.3V, light up the 3rd blue colour _x005f_x000D_ Battery voltage greater than 11.6V, light up the 4th blue colour _x005f_x000D_ Battery voltage greater than 12.9V, light up the 5th blue colour _x005f_x000D_ Product Size: 40.00x15.00x5.00mm/1.57x0.59x0.2inch _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 x 18650 Li-ion Lipo Capacity Board Tester 1. Enhanced Display: This 18650 li-ion lipo capacity board tester offers excellent product quality, providing a clear and visually appealing display. The enhanced display ensures that users can easily read and understand the capacity information of their 18650 Li-ion or Lipo batteries. 2. Accurate Measurements: The 12v lead acid battery level indicator tester delivers precise measurements with minimal error. It provides reliable capacity readings, allowing users to assess the performance of their batteries accurately. This accuracy is crucial for determining battery efficiency and monitoring their condition. 3. Strong Interference Resistance: The LCD display meter module exhibits strong interference resistance, making it suitable for use in various environments. Whether you're testing batteries in a noisy workshop or a quiet laboratory, this device can provide accurate results without being affected by external interference. 4. Compact Size and User-Friendly: With its compact size, the lithium battery level indicator is portable and easy to handle. Its simple interface and user-friendly design make it effortless to operate. Users can quickly and conveniently test their 18650 Li-ion or Lipo batteries without any hassle. 5. Safety and Reliability: The capacity voltage meter prioritizes safety and reliability. It features a reverse connection function, preventing damage to the device or batteries in case of accidental reverse wiring. This feature ensures stable and consistent operation, giving users peace of mind while using the tester.