1S 18650 Battery Capacity Tester Li-Ion Module (OT3632)

1S 18650 Li-po Lithium Battery Capacity Indicator ModuleColor: Outline red, Display block blueDisplay part size is 3.1cm x 2cm<3.4V = Empty / no bars3.5V - 3.6V = 25% / 1 bar3.7V - 3.8V = 50% / 2 bars3.9V - 4.0V = 75% / 3 bars>4.1V = 100% / 4 bars