It can start a larger than 3L engine, but it's tricky.
I have an automotive background. I've had to have AAA jump start my SUV but when the battery was dead at very low voltage (if any!) and it took a few minutes for the jump to charge the battery enough that the starter would work. It jump starts my SUV and other vehicles instantly very easily if the voltage is not too low. Otherwise you have to wait a while and try again. It's the way lead-acid batteries in autos work. This charger cannot provide enough amperage to run the starter (very high amperage!) by itself. Cars are weird! Read more
























