Dell Inspiron 640m Battery TIPS
1. The new Dell Inspiron 640m laptop battery as you know is available in a discharged condition and it is required to charge before use. For charging it would be better if you would refer the manual. The battery would achieve its maximum capacity after two to three charge and discharge cycles.
2. When you charge your Dell Inspiron 640m battery, the first time the computer would indicate the charge completion popup in 15-20 minutes. At that point of time you just need to remove the battery and then again continue charging. This is a common phenomenon.
3. One important thing which must be remembered is that is necessary that you condition your Dell Inspiron 640m laptop battery once in two or three weeks that is fully charge and then fully drain your battery. If this is not done it may significantly shorten your battery's life. However this phenomenon of conditioning is not applicable to Li-ion batteries. To drain your Dell Inspiron 640m battery completely simply run your laptop on battery power until the system gets shut down or until an indicator of low battery pops up.
4. In case your Dell Inspiron 640m Battery is not been used for a month or so then it would be preferable that you remove the battery and preserve it into a dry, cool and a clean place. A battery which is completely charged finally may lose its charge if it remains unused for long period of time. Hence there arises a need to recharge the battery after its restoration period. It is a quite normal phenomenon that the battery becomes warmer during its charge. Hence be careful to handle at such point of time.
5. It's a good idea to clean dirty Dell Inspiron 640m battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and your portable device.
----a shopper
