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This Dell 4RXFK battery Replaces:
This 4RXFK battery Fits The Following Dell Models:
for Dell XPS 14 Ultrabook Series
for Dell XPS 14-L421x Series
for Dell XPS L421x Series
for Dell XPS 14 L421X Ultrabook
Features of Our Dell 4RXFK replacement battery:
Each Dell 4RXFK 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.
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Wide Selection of Batteries:
We offer a wide variety of batteries, from standard alkaline batteries to specialized batteries for specific devices, from the everyday to the hard-to-find. So you're sure to find the right battery for your needs.
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Our prices are highly competitive and we offer frequent discounts and promotions to ensure that our customers get the best value for their money.
Expert Advice and Support:
Our team of battery experts is always on hand to offer advice and assistance with any battery-related questions or concerns.
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Our online store makes it easy to browse and purchase batteries from the comfort of your own home, with fast and reliable delivery options available.
Quality Guarantee:
We stand behind the quality of our batteries and offer a satisfaction guarantee on all of our products, so you can shop with confidence and peace of mind. 30 Days Money Back, 1 Year Warranty!
FAQs
Q: How to charge a new battery for Dell 4RXFK for the first time use?
A: New Dell 4RXFK battery pack is normally shipped in its partially charged condition. Please cycle your new 4RXFK battery pack by fully charge and discharge it for 3-5 times to allow it to reach its maximum rated capacity before use. (Note: it is perfectly normal for a battery to become warm to the touch during charging and discharging).
New batteries are hard for your device to charge; they have never been fully charged and are therefore "unformed". Sometimes your device's charger will stop charging a new battery before it is fully charged. If this happens, simply remove the battery from your device and then re-insert it. The charge cycle should begin again. This may happen several times during your first battery charge. Don't worry; it's perfectly normal.
Q: The Dell 4RXFK battery has been installed several times, but device can't boot up?
A: Carefully check if interfaces of the device 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 device model are matched.
Q: How to store the 4RXFK battery replacement if you won’t use it for a long time?
1.It 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 4RXFK battery at a half fully charged state and keep it in a cool, dry place. 20 degrees Celsius is the optimum storage temperature.
2.Install and run Dell XPS 14 L421X Ultrabook 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 4RXFK battery replacement?
1.Please fully charge your device before using it for the first time. Because the Dell XPS 14 L421X Ultrabook battery replacement 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.
2.Please don’t discharge battery to 0%, which is the most common reason among faulty batteries. It will damage battery if the device usually works at a critical power level ( below 3%).
3.Charge 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.
4.If your 4RXFK 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 device and store it in an antistatic bag in a cool, dry place.
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