Battery Capacity Blue Display Indicator Module

Features:

Battery type electricity quantity display.
Wide application fields:
lithium battery.
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.

 Specifications:

Display Electricity Quantity Parameter:
(note:N represents battery quantity) 
When battery voltage is over N*3.3V, it will illuminate 1 block electricity quantity. 
When battery voltage is over N*3.5V, it will illuminate 2 blocks electricity quantity.
When battery voltage is over N*3.7V, it will illuminate 3 blocks electricity quantity.
When battery voltage is over N*3.9V, it will illuminate 4 blocks electricity quantity.
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 X 1S Single 3.7V Power Level Lithium Battery Capacity Blue Display Indicator Module
Digital Color:
outline red, display block blue (when battery electricity quantity is full, it will be all on).

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