All of the above, Jerry. The problem is that everything in your car is designed to run on 6 volts. Running 8 volts through 6-volt components will put some stress on them and might shorten their lives ...

If your worst dry spring morning begins and ends with a drained battery, the Clarke BC1 Clarke BC1 6/12V Intelligent 1A ...

It seems simple enough, right? Your car battery is confirmed to be dead, not merely plagued by other electrical issues like a bad alternator. It's time for a trip for the local auto parts store to ...