Optimus Electric 2pcs Battery Charge Level Indicator Using 4 LEDs for 3.7V Li-Ion Batteries from

Description

The 3.7V Li-Ion Battery Level Indicator circuit uses four LEDs to show the level of charge in a battery.This battery level indicator offers four LEDs that light up progressively as the voltage increases: Red: representing 20% Yellow(1): representing 50% Yellow(2): representing 80% Green: representing 100% PCB Size: 22.2 x 17.2 (mm)Package Includes 2pcs Battery Charge Level Indicator