3.7 v li-ion battery charger circuit using LM358. it’s a simple circuit that will effectively charge your Li-ion batteries.
Contain 2 LEDs and that will indicating charging indicator, and full charging indicator.
Required Components
1. LM358 ic
2. BD140 Transistor
3. BC547 Transistor
4. Resistor 1K x 6
5. Resistor 220 Ohm x 1
6. Potentiometer 10K
7. Red, Green LED
8. 1N4007 Diode
9. Zener Diode 3.3V
10. Battery Holder
11. 3.7V Battery
#batterycharge #autocutbatterycharger #3.7vbatterycharger
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