Features: 1S battery level indicator module, can be used for auxiliary charging and discharging indication of Lion batteries.
Only 2 wire need to be welded, no additional setting is required, and the application is very convenient.
Mini size can be easily inserted into various electronic devices.
Suitable for 1S 3.7V Lion battery.
Build in four-way comparator, internal comparator with reasonable hysteresis for detecting four point, easy to and discharge instruction.

Specifications: Material: ABS
Size: approx. 12.4x7mm/0.48x0.27inch
Item Name: 3.7V 4.2V LI-ON LI-PO Battery Level Indicator Board
Working 3.7-4.2V
Super low current consumption:< 10uA
High precised detection ±2%
Pin description: B+ connection to the positive terminals of the battery B- connection to the negative terminals of the battery

Package Includes: 1 Piece Lithium Battery Power Indicator Light

note: Please allow 1-2cm errors due to manual measurement.
Please allow for slight color differences due to different display resolution.