Welcome buddies, in this post I will show you how to make a battery capacity tester circuit with video tutorial. You can check any type of battery like Li-ion battery , LiFePO4 battery , mobile battery, lead-acid battery.You can use any voltage battery such as 4.2 volt , 6 volt , 12 volt battery .So without any wasting time let’s start …
Component Required:-
LM358 OP-AMP IC with IC Base
RFZ44N N-Channel Mosfet with Heat Sink (1 Pcs)
TP4056 Charging Module
1 Ohm 10 watt Resistor
LED Voltmeter
18650 Li-ion Battery Holder
Screw Terminal (2 Pcs)
Slide Switch
Red & Green LED (1 Pcs Each)
1N4007 Diode
200k Trim Pot
BC547 NPN Transistor
10K Resistor (2 Pcs)
470R Resistor (1 Pcs)
Male & Female Header
Vero Board and Some Jumper Wire
Circuit Diagram:–
Video Tutorial:-
If you still have any problem then ask me without any hesitation. , That’s It for Today