How many amps do you need from a portable jump starter to boost an engine?

The amount of amps needed from a portable jump starter to boost an engine depends on the size of the engine and the type of vehicle. Generally speaking, a portable jump starter with at least 200 amps is sufficient for most cars and light trucks. However, for larger vehicles such as SUVs, vans, and trucks, a jump starter with at least 400 amps is recommended. It's important to refer to the manufacturer's recommendations for the specific vehicle you're trying to boost, as some vehicles may require a higher amp rating. Additionally, consider the climate in which you live, as cold weather conditions may require a jump starter with a higher amp output.