ANSWER: The most common battery rating is the AMP-HOUR RATING. This is a unit of measurement for battery capacity, obtained by multiplying a current flow in amperes by the time in hours of discharge. (Example: A battery which delivers 5 amperes for 20 hours delivers 5 amperes times 20 hours, or 100 ampere-hours.)
2 â The Block. Round off an end of a block of wood to match the original shape of the inside of the bumper and place it against the dent. Tap it with the rubber mallet and check it every so often to see how the repair progresses.
You can remove most small dents from your vehicle with a hair dryer and compressed air, dry ice, or even hot glue and corks, but if it happens to be isolated on your bumper, all you need is some boiling water.1  Don't Miss: 8 Easy Ways to Remove Dents Without Ruining the Paint.t's also probably more trouble than it's worth if the dent is in a spot where you'd have to take the bumper off to get to it. But, if you want to give it a shot, check out the video below to see how to remove the wheel and bumper for the hot water method.