|
Best way I have found to keep a car battery alive is to use a high frequency trickle charger on it. I found one somewhere once years ago that has a large + pulse then a small - pulse. It breaks up the sulfation in the battery really well. I have had batteries that were laying around here dead for years and filled them up with distilled water, left that charger on them for a few weeks and they work fine after that. As long as they haven't froze and the plates warped they usually come back to life.
The battery in my jeep is 12 years old and it was a 48 month battery, starts as good as the day it was new.
|