NEC OP-570-4401 Laptop Batteries usage tips:

1. Please check your original NEC OP-570-4401 Battery part number & model number with our postings picture before the purchase to make sure you get the correct battery for NEC OP-570-4401. Replacement Battery NEC OP-570-4401 are brand new with new case and new cells, we have 1 year replacement warranty on these NEC OP-570-4401 Laptop Batteries.
2. New NEC Replacement battery OP-570-4401 usually comes in a discharged condition and with a very low capacity. It is generally recommended to fully charge new battery packs before use. The NEC OP-570-4401 battery pack needs to be circulated (fully discharged and recharged) 3 - 5 times to reach its optimum performance.
3. Rechargeable battery NEC OP-570-4401 will undergo self-discharging when left unused. It should always be stored in a fully charged status and kept in a cool, dry and clean place. To maintain the optimum performance of NEC OP-570-4401 battery pack, it is highly recommended to fully discharge and recharge it at least once a month.
4. It is normal if a battery gets warm when being charged or used. However, please pay high attention when the battery pack becomes excessively hot. This may indicate a problem with the charging circuit of your electronic device. It is necessary to have it checked by qualified technicians when this occurs.
5. Sometimes,NEC OP-570-4401 Laptop Batteries is hard to be charged. Your electronic device may indicate a fully charged condition for about 10 to 15 minutes when a new battery pack is being charged for the first time. When this happens, remove the battery pack and let it cool down for awhile. Repeat the charging procedure again. When a new NEC OP-570-4401 battery is unable to charge, it is suggested to remove the battery from the device and reinsert it for several times to wake up dormant cells. Occasionally, BIOS updating is required to make the battery work normally on your device.