Dell LATITUDE C640 < Dell < Laptop Batteries < Battery Store
1. A new Dell LATITUDE C640 battery usually with very low capacity, it is highly recommended to fully charge the new battery before using it.
2. A new Dell Laptop Batteries battery pack needs to be circled (fully discharged and recharged) 3 to 5 times to reach its optimum performance.
3. LATITUDE C640 battery will undergo self-discharging. Thus, it should be stored in a fully charged state and kept in a cool, dry and clean place when left unused for a long period of time.
4. Don't short-circuit LATITUDE C640 battery. A short-circuit may cause severe damage to your LATITUDE C640 battery.
5. Don't hit the LATITUDE C640 battery or scrape it with the sharp objects.
6. It is normal if a new LATITUDE C640 Laptop Batteries gets warm when being charged or used. However, please pay special attention if the Dell Laptop Batteries pack becomes excessively hot. This may indicate there is a problem with the charging circuit of the electronic device. Please consult a qualified technician if necessary.
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