How Do You Check Amps On A Battery. Change the function to ohms and touch the leads together. Unplug or disconnect any accessories installed in your vehicle.
There will be a peak current available written on there as well eg 720Amps. Always make sure to check the rating so that you avoid taking one with less room for a certain amount of current. Bad battery or bad alternator how to tell the difference.
Connect the black wire from your multimeter to the port listed as COM.
Grab your prongs red goes to positive black goes to negative. This 60 watt lightbulb makes the inverter draw about 5 amps from the battery. Even if your phone itself is not plugged into. Set the dial of the multimeter to measure amplifiers.
