The following described method is for those of us with more time than money. But this may be an increasingly valuable skill in a prolonged austere environment. Note that this pertains only to 12 VDC flooded lead acid batteries, including semi-sealed or “maintenance-free” batteries. This will be a succinct tutorial. This is an old-school method, a technique of a bygone era. It is nothing new, but old school and time-tested. I have more than 40 years of experience in the automotive world. I’ve known about this since the early 1980s. My success rate is now at 70 percent, yet how … The post Extending The Life of Flooded Lead Acid Batteries, by Tunnel Rabbit appeared first on SurvivalBlog.com.