Features:
100% brand new and high quality.
1. Battery type electricity quantity display.
2. Wide application fields: lithium battery.
3. Using Method: connect display board positive and negative port with tested battery positive and negative port, digital tube will display real-time battery electricity quantity.
4. Digital Color: outline red, display block blue (when battery electricity quantity is full, it will be all on).
Display Electricity Quantity Parameter: (note:N represents battery quantity)
1.When battery voltage is over N*3.3V, it will illuminate 1 block electricity quantity.
2.When battery voltage is over N*3.5V, it will illuminate 2 blocks electricity quantity.
3.When battery voltage is over N*3.7V, it will illuminate 3 blocks electricity quantity.
4.When battery voltage is over N*3.9V, it will illuminate 4 blocks electricity quantity.
5.When battery voltage is less than N*3.3V, 4 blocks display will be off, it represents battery is less than 3.3V, and you can charge the battery.
1 X1S Single 3.7V Power Level Lithium Battery Capacity Blue Display Indicator Module