5S 21V BMS Li-ion Lithium 18650 LCD Charge Battery Indicator Tester PCB Module

Description: Power Level£º L1: 4.5-5.5VL2: 5.5V-6.8VL3: 6.8V-7.4VL4: 7.4V-8.0VL5: 8.0V-8.4V Size: 2.7*62*15.8MM Cable Length: 140MM Operaction: 1. Please processing with your fingers lightly press the red button when c harge or discharge, when the LED lights, the light board line current is about 30mA.2. Release the finger, LED lights will go out, light board line off, no current through.3. Board with reverse function, the line is connected or wrong is no problem, adjust it over A total of 5 small lights, display power, suitable for reverse converter lithium battery power tips! Display Electricity Quantity Parameter:£¨The following data is a reference value, there will be 2% error range£©1.When battery voltage is over N*3.2V,it will illuminate 1 block electricity quantity (note:N represents battery quantity)2.When battery voltage is over N*3.4V,it will illuminate 2 blocks electricity quantity3.When battery voltage is over N*3.6V,it will illuminate 3 blocks electricity quantity4.When battery voltage is over N*3.8V,it will illuminate 4 blocks electricity quantity 5S lithium battery , full charge 21V Package Included: 1x5S 21V BMS Li-ion Lithium Battery Capacity Indicator Display Power Level Tester PCB Module 18650 LCD Charge Discharge