this is what is says on apple.com FAQ;
Question: Do I need to completely empty the battery before charging it, and does doing this prevent the so-called "memory effect"?
Answer: You don't need to empty the battery before charging it. Lithium-based batteries, like those used in iPod, have none of the memory effects seen in nickel-based rechargeable batteries.
No.
No.
No
Before charging it.
Yes. Top up battery with clean water after charging only. Never top it up before beginning a charge.
try charging the battery before you replace the starter
Good Mobile phones have built in overcharging protection built in. when battery reaches a maximum charging level, the current flowing through it reduces. once charging current flow reduces below a threshold level, a circuit completely cuts it, separating the charger from the mobile phone. Also, with current batteries, there is no longer the problem of having to run your battery down completely before charging. Previously, doing this would cause the available charge to shrink.
No, not at all. Letting the battery run flat can sometimes even increase battery life.AnswerThis was an actual problem with early rechargeable batteries because over charging batteries would dramatically reduce their life span. However, most chargers now have sensors that detect that available charge and will shut themselves off before they reach that point.However, some companies do suggest that you periodically (once a month or so) allow the battery to drain completely before recharging it as a way of resetting it.
No, it does nothing more to help at all.
Try charging at a lower rate of amperage, also check condition of battery with a battery tester, under a load.
First of all, dangerous situation! That battery can explode in your face if you create a spark anywhere near it. The charging system may be over charging the battery or the battery may have an internal problem. Allow the battery to cool down (over night) before you do any thing.
No, you do not have to disconnect the battery. Just do not start the engine with the charger connected unless the charger is built for starting purposes.