Battery Charger from a UPS (Simple Circuit, Part 1)
A computer's uninterruptible power supply can be converted into a charger for car batteries. In this video, I'll show you a simple but reliable circuit. By adding a circuit breaker, you can create a pretty good charger.
Learn more about the transformer: • Трансформатор для ЗУ
Automatic shutdown at the end of charging: • Как сделать любое зарядное автоматическим.