This is Lithium Battery 1S to 8S (3.7v to 33.6v) Capacity Charge Level Indicator Module. The charge status (capacity) of 18650 Lithium-ion batteries and other lithium batteries with a maximum voltage of 4.2 volts per cell can be quickly visualized using these modules. This battery capacity display module is ideal for DIY power supply, battery chargers, RC, and electric cars, as it displays the voltage state of the battery in a rapid and easy-to-read manner.

Simply connect the 1S to 8S Battery Level Indicator module to the positive and negative contacts of your battery or battery pack, and a visible bar display shows the charge status of the battery in real-time. The display bars are blue/Green, and the display outline is red. It can be uses as indicator for 1 to 8 cells or 1S to 8s Battery Pack, and is user-configurable with jumper pad setting. It has Compact design with 4-segments display.