Single 3.7V Lithium Battery Capacity Indicator Module 4.2V Display Electric Vehicle Battery Power Tester Li-ion

Description

Features: 

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: 

1. When battery voltage is over N*3.3V,it will illuminate 1 block electricity quantity (note:N represents battery 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