If you're wondering whether setting your automotive battery on concrete will cause it to discharge, wonder no longer. Today, the type of plastic (polypropylene) used in battery cases is a great electrical insulator. Also, tremendous technological improvements have been made in the seals around the battery posts and vent systems, which have virtually eliminated electrolyte seepage and migration. So, it's OK to set or store your battery on concrete. A battery's rate of discharge is only affected by its age, the temperature outside and the way the inside of the battery is made.
The best time to learn about jump starting a battery is before you become stranded and need to know. These instructions should help you become familiar with the process. Once you've read through these instructions, print them and purchase a set of jumper cables. Then, keep these instructions and your jumper cables together somewhere in your vehicle or trunk, in the event you should ever need them.