1. New battery for Dell Y4991 usually maintains a discharged condition with very low capacity. It is highly recommended to fully charge new battery packs before using.
2. The new Dell Y4991 battery pack needs to be circled (fully discharged and recharged) three to five times to reach its optimum performance.
3. Dell Y4991 battery will undergo self-discharging when left unused for a long period of time. Thus, it should always be stored in a fully charged state and kept in a cool, dry and clean place.
4. It is normal if the new Dell Y4991 battery gets warm when being charged or used. However, please pay special attention if the battery 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.
5. To maintain the optimum performance of Dell Y4991 battery pack, it is highly recommended to circle (fully discharging and recharging) it at least once a month.
6. New batteries are hard to be charged. Sometimes, your electronic device may indicate a fully charged condition about 10 to 15 minutes when Dell Y4991 battery pack is being charged for the first time. When this happens, remove the battery pack and let it cool down for about 10 to 15 minutes then repeat the charging procedure. Sometimes, the new Y4991 battery will suddenly refuse to be charged. If this happens, a suggested solution is trying to remove the battery from the device and insert it again.
Dell Latitude 131L battery compatible with: Inspiron 6400, Vostro 1000, Inspiron 1501, Inspiron E1505
6600mAh battery for Dell Precision M2300. Dell Precision M2300 battery suitable for Dell Precision M2300, Dell Latitude D620, Dell Latitude D630
Dell Inspiron 1525 / Dell Inspiron 1526 - Chemistry: Li-ion, Volts: 11.1V, Capacity: 4400mAh/49WH
High Capacity Dell XPS M1210 battery - Capacity: 7200mAh, Chemistry: Lithium-ion, Volts: 10.8V
Hot Sale! 6600mAh 11.1V Dell XPS M1530 battery, 100% original manufacturer compatible.
Dell Inspiron 6000 battery fits laptop models: Precision M6300, Precision M90, Inspiron 9400, Inspiron E1705, Inspiron XPS Gen 2, Inspiron XPS M1710
Dell Vostro 1700 battery compatible with: Dell Inspiron 1520 Dell Vostro 1500 Dell Inspiron 1521 Dell Inspiron 1721
Chemistry: Li-ion, Volts: 14.80V, Capacity: 2200mAh/33WH - Dell Latitude D600 battery and Dell Latitude D610
