7.4V-18.5V Lithium Battery Charging Circuit 2S-5S

 

7.4V-18.5V Lithium Battery Charging Circuit 2S-5S. It is a battery charging circuit for 2-5S lithium batteries that you can power and use with DC 6.6 - 25VDC. You can adjust the output voltage with the help of the trimpot on the circuit. It has 2 LEDs, CR and OK, to display the charging status. CR indicates that it is in charging state. OK indicates that the charging process is completed. Do not interrupt the charging as soon as the OK LED turns on.