This Asus C21N1808 battery Replaces:
This C21N1808 battery Fits The Following Asus Models:
Asus C423NA-RH91T-CB, C423NA-BZ0057, C523NA-BR0035, C423NA-DH02, C423NA-BV0054, C523NA-0021AN4200, C423NA-EB0033, C523NA-A20007, C523NA-1A, C423NA-BV0017, C523NA-EJ0052, C423NA-EB0063, C523NA-A20025, Chromebook C523NA-A20026, C423NA-BV0028, C523NA-EJ0058, C423NA, C423NA-BV0078, C523NA-A20057, C423NA-BZ0027, C523NA-BR0043, C423NA-1A, C423NA-BV0051, C523NA-A20093, C423NA-EB0050, C523NA-A20045, C423NA-EB0020, C423NA-BZ0004, C523NA-EJ0053, Chromebook C423NA, C423NA-EB0108, C523NA-A20033, C423NA-BV0044, C523NA-EJ0054, C423NA-0031AN4200, C523NA-A20026, Chromebook C523NA-DH02, C423NA-BZ0038, C523NA-BR0067, C423NA-BV0001, C523NA-A20105, Chromebook C523NA-IH24T, Chromebook C523NA, C523NA, C523, C423
Please note that there are two types of this battery. The shape and the screw-hole are different. We highly suggest you to open the back cover of your laptop and compare it with your old battery before make a payment. If you have any questions please do not hesitate to ask us.
Features of Our Asus C21N1808 replacement battery:
Each Asus C21N1808 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.
Why Buy From batteryone.co?
-- Assured Quality
batteryone.co is dedicated to providing quality products to customers. The products must go through three standard quality control processes at our warehouse before they can be shipped.
-- 30 Days Money Back
All C21N1808 batteries are covered by 30 days warranty for the refund! If you are not satisfied with our battery, you can contact our customer service to request a refund.
-- 1 Year Warranty
We offer 12 months warranty on our all batteries! During this period, if your battery fails, we will replace your C21N1808 battery with a new one.
-- Fast Delivery Services
When we are sure that your order is without any problems, we will immediately arrange the appropriate courier for your order and ship within 1-2 business days!
-- Best Prices
Shop with us and expect to pay 20-50% less than any other site. If you do find a product for less on a competing website then tell us and we will resolve to match it.
-- Wide Product Range
batteryone.co has more than 100,000 batteries for laptops/notebooks. batteryone.co is always developing and adding products to its site to meet your demands.
-- Customer Service
At batteryone.co there is a large team of highly trained customer service experts ready to answer your questions. They can be reached through email, live chat. It doesn't matter which way you get in contact with batteryone.co, you will get a response within 24 hours.
Q: How to charge a new battery for Asus C21N1808 for the first time use?
A: New Asus C21N1808 battery pack is normally shipped in its partially charged condition. Please cycle your new C21N1808 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 Asus C21N1808 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 Asus C21N1808 battery 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 Asus C21N1808 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 Asus C21N1808 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 Asus C21N1808 battery?
1.Please fully charge your laptop before using it for the first time. Because the Asus C21N1808 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.
2.Please 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%).
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 Asus C21N1808 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.
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