Dril Battery Replacement With Li-Ion Balance Charging

I enplane how to replace drill batteries with Li-ion batteries with connections

Step 1:

I enplane what disadvantages of Li-Ion balance charging That there is no discharge cut of

But the video in Arabic

Step 2: What About 12 V Dril Voltage?

you can replace with three Li-ion batteries

Step 3: How to Connect Battery Tester Monitor Buzzer Alarm for 4S Lipo Battery?

with the picture you can understand how to wire Battery Tester Monitor Buzzer Alarm for 4S Lipo

Battery.

Step 4:

you will need male female header connector with 5 pins