The $21 meter is adequate for general use around the house. Or you might find a $10 sale at Sears or hardware or auto parts store.
Be careful, a fuse may blow if you send overmuch current into the milliAmpere ranges.
Obviously you're hoping the micro usb direct power can supply sufficient juice for your arc lighter. Do you plan to keep the battery connected in the circuit? If so then you need to be aware of the risks about overcharging, overheating, fire, explosion, etc.