3. Loose the button, it will get into the power-saving mode, and there will be no power consumption.Lithium display power parameters (Calculation formula: e.g. 3 cells lipo: 3 * 3.3 = 9.9V) :
Battery voltage> N x 3.1V, display 10%
Battery voltage> N x 3.2V, display 20%
Battery voltage> N x 3.3V, display 30%
Battery voltage> N x 3.4V, display 40%
Battery voltage> N x 3.5V, display 50%
Battery voltage> N x 3.6V, display 60%
Battery voltage> N x 3.7V, display 70%
Battery voltage> N x 3.8V, display 80%
Battery voltage> N x 3.9V, display 90%
Battery voltage> N x 4.0V, display 100%
Package Included:
2X Lipo Battery Testing Instruments And Ni-MH Battery Digital Display