sgkent
Lawn Addict
- Joined
 - Sep 27, 2017
 
- Threads
 - 35
 
- Messages
 - 1,964
 
I had this boat battery I let discharge once too often. After several weeks of charging and recharging it finally held 12.5V. even the cells showed the right specific gravity. Then I hooked it up and hit the start button. Dropped to about 5V. Once dead always dead.  I learned that in college when I had a dead battery in my car and bought all those special fixes at the FLAPS. None worked but replacing the battery got it.