Features: This Lithiums Battery Capacity Indicator Module supports 1s to 8s lithiums batteries, offering a versatile solution for monitoring battery power levels with its clear LED display, making it essential tool for battery management. Featuring wide working voltages ranges of 3-34V and low power consumption at just 5mA, this module is design for efficiency and adaptability across various lithiums battery configurations. Ideal for DIY enthusiasts and electronics hobbyists, this module provides easy to use interfaces for anyone look to monitors and manage their lithiums battery pack effectively. Perfect for portable devices and long terms applications, this compactly and lightweight module integrates seamlessly into a variety of electronic projects, ensuring reliable performances in diverse environment. With its robusts design, this indicator module enhances battery safety and longevities by preventing overcharge and over discharge scenario. Specifications: Component:Plastic Size:Approx.4.35x1.7x0.55cm/1.71x0.66x0.21inch Option Type:Green LED Display,Blue LED Display; Working Voltages:3-34V Current:5mA Display Electricity Quantity Parameters: 1.When battery voltages is over Nx3.3 V,it will illuminates 1 block electricity quantity (note:N represents battery quantity) 2.When battery voltages is over Nx3.5V,it will illuminates 2blocks electricity quantity 3.When battery voltages is over Nx3.7V,it will illuminates 3blocks electricity quantity 4.When battery voltages is over Nx3.9V,it will illuminates 4blocks electricity quantity 5.When battery voltages is less than Nx3.3 V,4blocks display will be off;it represents battery is less than 3.3 V,and you can charge the battery Package Includes: 2pcs Lithiums Batteries Capacity Indicator Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.