[blue_pinky]

Originally Posted by badger5

Car batteries have very slim lead plates that are close together, and when they are over discharged the plates can buckle causing a dead cell in the battery. Leisure batteries have thicker plates that are further apart, and generally a lot heavier duty.

Usually once a lead acid battery is dead there is no recovering it, even an Optimate type charger that say can recover dead batteries never really do.

If you can get a Halfords trade card or someone that has one they offer good discounts, I got about 40% knocked of my leisure battery.

What he said