Is it possible to jumpstart a car without another car?

Is it possible to jumpstart a car without another car?

While you may have seen hacks on the internet that encourage using 12V batteries from a tool or other questionable methods to jumpstart your car, the only reliable way to charge your car's battery without another vehicle around is with a jump starter.29 abr 2021

How do you manually start a car with a dead battery?

https://www.youtube.com/watch?v=1pj4GY_7q8w