Can I charge my car's battery without starting my car? only starting the other car that is jumping mine?
sure, but its a lot slower ,unless you disconnect a cable from the running car while jumpers are still connected
Hook up the cables like normal and keep the running engine at around 1500-2000 RPM to spin the alternator faster. If you have a meter, hook it to the battery and you can watch the voltage drop as the non running car battery charges. It would run it at least a half hour. -- You can also remove the battery and take it somewhere that has a charger.
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