9 cells 97Wh Dell FJJ4W excellent quality battery uses an intelligent control chip, which comes with higher performance and reliability, longer run-time and battery life. Built-in protection circuitry ensures its stability and safety, fast charge but slow power consumption.
Note : 10.8V and 11.1V are compatible, they are in common use.
Product Description
High quality, High standard
Dell FJJ4W Excellent quality Battery Replacement
Strong endurance , power saver, use good cells to do laptop battery - Dell FJJ4W Excellent quality Battery Replacement.
Features of Our Dell FJJ4W replacement battery:
Each Dell FJJ4W replacement battery unit is made of high-quality lithium-ion cells for longer last time.
The battery is up to standard and fully compatible with original specifications.
All our batteries are certified by CE, UL, ROHS, ISO9001/9002 as safe products.
The interface metal and fixed insulator of the battery are made of good materials to ensure stable current input and durability.
We specialize in providing high-quality batteries. The Dell FJJ4W Battery has passed tests according to Security Standards to ensure battery's quality. The interface metal and solid insulators of the Dell FJJ4W battery are made of Premium materials to ensure stable current input and durability. Round-sealed package ,faster delivery and thoughtful after-sales service will make you feel assured to purchase.
Security Technology
Multiple Protection Features, Safe and Worry-Free.
ESD PROTECTION
overheating protection
short circuit protection
CHARGING TIME PROTECTION
over discharge protection
INTELLIGENT PROTECTION
CLASS A PROTECTION
overvoltage protection
overcurrent protection
overcharge protection
ELECTROMAGNETIC
POWER PROTECTION
Product Larger Images
Compatibility
Note:
Please confirm your laptop battery and laptop model and check the appearance of the battery before placing an order. If you are not sure about your battery part number, you can contact our online customer service in time to avoid delays in your use. Regardless of any problems you encounter during the purchase process, please contact us in time and we will be happy to help you with your problem.
shipping within 24 hours
After your payment is successful, we will arrange delivery within 24 hours.
30-Day Money Back Guarantee
We promise, the new Dell FJJ4W battery
can be used free for 30 days, not satisfied with direct return.
1-Year Warranty
We offer a 12-month warranty to replace the Dell FJJ4W laptop battery! In the meantime, if your battery fails due to quality problems, we will replace it with a new one for free.
100% Security Payment
We focus on the protection of personal privacy information, and we have taken all steps to ensure that your shopping experience is safe and secure, buy Dell FJJ4W replacement battery with confidence!
FAQs
Q: The Dell FJJ4W battery has been installed several times, but laptop can't boot up?
A: Carefully check if interfaces of the computer and the battery are correctly connected.
If the cause of loose contact is ruled out, please contact the after-sales customer service to ensure that the battery part number and laptop model are matched.
Q: How to store the Dell FJJ4W battery if you won’t use it for a long time?
1It is not a feasible way for you either fully charge or fully discharge battery if long term storage. Security risks will generate if under a fully charged state, while both cells and control circuit protection lock will be deactivated if under a fully discharged state. So you’d be better store the Dell FJJ4W battery at a half fully charged state and keep it in a cool, dry place. 20 degrees Celsius is the optimum storage temperature.
2Install and run Dell FJJ4W battery as often as possible(at least once a month) so as to ensure its availability and avoid power drain.
Q: How to extend the life of your Dell FJJ4W battery?
1Please fully charge your laptop before using it for the first time. Because the Dell FJJ4W battery is normally shipped in a partially-charged state. Please cycle your battery pack by fully charge (more than 12hours) and discharge(less than 10%) for 3-5times to reach maximum rated capacity.
2Please don’t discharge battery to 0%, which is the most common reason among faulty batteries. It will damage battery if the laptop usually works at a critical power level ( below 3%).
3Charge the battery before it runs to 20%. It is scientifically justified that charging battery at 20% till 80% will extend battery life to the longest.
4If your Dell FJJ4W battery won’t be used for a long time, please charge it once a month and keep battery power over 50%, remove it from your laptop and store it in an antistatic bag in a cool, dry place.
