How To Tell If A Lead Acid Battery Is Dead. They are still popular today and marketed as maintenance-free. 105V is a destroyed battery for a normal not deep-cycle automotive battery.
Consider purchasing a spare electric scooter battery. Then build resistor to load the battery equivalent to the expected load on the battery. As a battery discharges the chemical process releases lead sulfate which coats the battery plates.
Cars trucks recreational vehicles and boats all use lead-acid batteries.
Edit Feb 11 2013 Found some excellent reading material here although it is clear that understanding the health of lead-acid battery is not a simple matter of testing only terminal voltage. Handling dead lead acid batteries. Distilled water for inner battery cell fill and charge improve voltage levelhttpswww. It is illegal to dispose of the battery in your trash.
