We focus on providing high quality batteries and related accessories. This New 9F4FN Laptop Battery for Dell 9F4FN Series Laptop is designed for long-lasting and stable performance. It provides a one-year warranty and has passed CE / RoHS / ISO9001 safety certification. Fast delivery and thoughtful after-sales service will make you feel assured to purchase.
- Brand: DELL Laptop Battery
- Replaceable with the following models: 9F4FN
- Rechargeable battery type : Li-ion
- Color: Black
- Current : 40Wh
- Voltage : 7.6V
- Capacity : 40Wh
- Encoding : DEL22JU1455
- Supported models : 9F4FN
- DELL 9F4FN compatible Laptop Battery model:
For Dell 9F4FN Series Laptop
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- Batteria di alta qualità per DELL 9F4FN
DELL Battery
- DELL 9F4FN Laptop Battery
Compatible with Dell 9F4FN Series Laptop battery
Brand: DELL Battery Capacity/Voltage : 40Wh 7.6V - DELL 6GTPY Laptop Battery
Compatible with DELL XPS 15 9560 9570 9550 Precision 5520 battery
Brand: DELL Battery Capacity/Voltage : 97Wh 11.4V - DELL RFJMW Laptop Battery
Compatible with Dell Latitude E6210 E6220 E6320 E6430S battery
Brand: DELL Battery Capacity/Voltage : 5700mAh/65WH 11.1V - DELL RFJMW Laptop Battery
Compatible with Dell Latitude E6230 E6220 E6320 E6330 battery
Brand: DELL Battery Capacity/Voltage : 5700mAh/65WH 11.1V - DELL V04B Cell Phone Battery
Compatible with DELL phone battery
Brand: DELL Battery Capacity/Voltage : 1520mAh/5.624WH 3.7V - DELL GHJC5 Laptop Battery
Compatible with DELL Latitude 9420 2-in-1 battery
Brand: DELL Battery Capacity/Voltage : 59.6Wh /4900mAh 11.55V - DELL 90V7W Laptop Battery
Compatible with Dell XPS 13 (9343) (9350) JD25G 5K9CP DIN02 battery
Brand: DELL Battery Capacity/Voltage : 56wh 7.6V - DELL G91J0 Laptop Battery
Compatible with Dell Latitude 3420 Series Laptop battery
Brand: DELL Battery Capacity/Voltage : 41Wh 11.25V
How to care for your DELL 9F4FN Laptop Battery?
This is the Replacement DELL 9F4FN Battery, You can extend the life of your laptop battery significantly through the proper care and handling of your battery.
1. Any new 9F4FN battery should first be fully charged by leaving it plugged in overnight. Once a computer battery is fully charged it will no longer accept any more power. It is a common practice to leave laptops plugged in after they have been turned off so that the battery has a full charge the next time you use your laptop. It is probably fully charged within 5 hours.
2. A brand new 9F4FN notebook battery is in a weakened condition since it has not been conditioned yet. Condition and break in your new battery by performing 5 partial discharge and recharge cycles the first week you receive your new battery.
3. Run on battery power without the AC adapter cord at least once a week to keep the 9F4FN battery cells active and at their peak potential. When your laptop is plugged into the power adapter the battery goes to 'standby mode' while your laptop runs directly on electricity from the wall outlet.
4. Even though your battery indicates it is fully charged, your battery will return to a weakened state again in a few months if it does not get some exercise through partial discharge and recharge cycles while running on battery power alone.
5. If your 9F4FN battery has not been actively used 2 months or more, condition your battery again with 5 partial discharge & recharge cycles to increase the batteries capacity and run time.
6. Don't run your battery all the way to empty. Your battery will have a longer service life if it receives shallow discharge and recharge cycles. Research has shown that the useful life of the battery will be much longer if you begin to recharge the battery any time before reaching 20% of the remaining power capacity. Recharging the 9F4FN battery even after 10 minutes will not reduce the battery's life span as lithium batteries do not have the memory effect which was found in older NiCad battery technology. NiCad batteries have never been used in laptops, even the earliest models.
7. Never run your battery below the 2% critically low warning point. If your battery is run below this point it may not have enough energy to even recharge. This may effectively 'kill' your 9F4FN battery.
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Features of Our DELL 9F4FN replacement battery:
1. Battery Specifications - Capacity: 40Wh, Type: Li-ion, Voltage: 7.6V - New fully decoded chip works just like the original.
2. High quality and rechargeable ( between 400 to 600 charge-discharge cycle).
3. Long battery life and maximum power, quick-charging!
4. The interface metal and fixed insulator of the battery are made of good materials to ensure stable current input and durability.
5. Our batteries are 100% brand new, CE / FCC / ROHS-certified for safety and environmentally friendly.
6. 12-month Warranty and 30-day Money Back Guarantee.
7. Fast, friendly and hassle free customer service.
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