3.7V Lithium Battery Capacity Indicator 2S Battery Level Indicator Display Tester

3.7V Lithium Battery Capacity Indicator 2S Battery Level Indicator Display Tester Description

Description/Features: Usage
1. Connect the positive and negative terminals of the display board to the positive and negative terminals of the tested battery, and gently press the red button with your fingers to light the LED light to display the real- battery level
2. Release the finger and wait for 3-5 seconds for the LED light to turn off. When static, it does not consume any power at all
3. With reverse connection function, even if the positive and negative connections are reversed, it will not burn. Just adjust it.
Lithium battery group displays battery parameters: (The following data are reference values with a 2% error range.) Warm sound prompt: The 3.7V lithium battery uses one red power indicator light and four green battery indicator lights (for other voltage ranges, there is one red power indicator light and four battery indicator lights)

Specifications:
Material: abs
Color as shown
(N represents the number of battery cells)
The power indicator light is red
Battery voltage greater than N x 3.3V lights the second color
Battery voltage greater than N x 3.5V lights the third color
Battery voltage greater than N x 3.7V lights the fourth color
Battery voltage greater than N x 3.9V lights the 5th color
Due to different batches, there may be differences in product appearance and printed text, which will not affect use

Package Contents:
1 x Display Tester