Simple Switch Mode Power Supply Self Osc ATX Transformer

Simple SMPS Circuit Self-Oscillating ATX Transformer There were shares to run the rechargeable drill without a battery IR2153 SMPS, Battery, Transformer.. The batteries of the drill I used were also faulty, the price of the battery pack was quite high, by connecting a 12v 7ah battery, I used the drill for a long time, but the battery does not hold charge anymore, so I tried to run it with the SMPS circuit. I decided I had the IR2153 SMPS circuit in mind but instead SELF OSC. I applied a simple SMPS circuit with a self-oscillator called.