What to do when over charge Dell battery

It may happened to you that you forget to turn off your laptop charger, when you charge your Dell battery, then you may want to know what to do when over charge your laptop battery.
First it's important to understand what overcharging is:
Over-charging occurs when the charger keeps the Dell battery at a temperature that is warm to touch (body temperature) while in ready condition.
Li-Ion laptop batteries have built-in controller chips which prevent it from overcharging, as they can explode if overcharged. Overcharging does not affect the life span other than potentially destroying the Dell Laptop Battery.
A lithium-based battery should never be allowed to get warm in a charger. If you have this happen, the laptop battery is no good or the charger is not working properly. Don't continue to use the battery or charger if this happens.
A Lithium-ion battery may be damaged by extensive overcharging (continuously on a charger for more than 24 hours). Damage to the Dell battery from overcharging would only occur in the very unlikely event of a malfunction of the charging system.
If your laptop battery life still isn't enough and you don't mind carrying the extra weight, bite the bullet and buy a spare. The fact that buying a new Dell battery isn't easy or cheap -- and that most people don't buy a laptop thinking they're going to have replace the battery after a year or two -- is to me evidence that batteries are the laptop industry's dirty little secret that they don't want us to think about too much. If you want to buy a new Dell battery, or other laptop accessories, here are some good choice: Dell D5318 Battery(Li-ion, 9 cells )
Dell Inspiron E1705 battery(Li-ion, 9 cells )
Sony Vaio PCG-6C1N battery(Li-ion )
Dell 312-0340 Battery(Li-ion, 9 cells )
Dell GD775 Battery(Li-ion )
Dell Latitude D620 Battery(4400mAh)