+Our Asus C21N1903 batteries are 100% WITH CE-/FCC-/RoHS-Certified for safety
+We only uses high quality materials and grade A battery cells to ensure true capacity and more recharge cycles.
+Thorough, comprehensive testing – each battery cell is tested for correct capacity and to ensure all safety requirements are met - all before installation.
- Specifications
- Brand: Asus
- Technology : Li-Polymer
- Voltage : 7.7V
- Capacity : 4335mAh
- Compatible Part Number: C21N1903
- Replace Model: for Asus B9450
for Asus B9450F
for Asus B9450FA
for Asus ExpertBook B9 B9450FA
for Asus ExpertBook B9 B9450FA-BM0165R
for Asus ExpertBook B9 B9450FA-BM0193R
for Asus ExpertBook B9 B9450FA-BM0280R
![Multiple Intelligent Protection](images/MultipleIntelligentProtection.png)
Compatible battery for a new boost of life in your Asus C21N1903
If you’re looking for high-quality Asus C21N1903 battery replacement at an affordable price, this Asus C21N1903 battery may be a great choice. This is a replacement battery suitable for Asus ExpertBook B9 B9450 B9450F B9450FA. In addition, an integrated microchip that can prevent overcharging and lengthen battery life is inside this replacement battery.
With first-class quality assurance, the battery for Asus C21N1903 provides protections of voltage, short circuit, charging time, ESD, and so on. Each Asus ExpertBook B9 B9450 B9450F B9450FA battery replacement has passed a series of safety certifications, such as CE, UL, ROHS, ISO9001/9002. It will be rigorously tested by our technicians before being shipped to your hands. We will try our best to select a high-quality Asus C21N1903 Battery Replacement for you.
In addition, we provide 30-Day Money Back Guarantee and a One-Year Warranty for you. If you have any dissatisfaction after receiving the battery for C21N1903, you can click the link to find more details about our Returns and Warranty service. Please rest assured to purchase from us!
30-Days Money Back Guarantee
We promise that if you are not satisfied with the battery for C21N1903 which
you ordered, you can return the battery and we will refund the amount you spent on the purchase
within 30 days.
One-Year Warranty
We are absolutely confident of our sound batteries and offer one year warranty on the
Asus ExpertBook B9 B9450 B9450F B9450FA battery.
100% Security Payment
For the security of your account, our payment methods are safe and trustworthy. We protect every
client's privacy, so please buy with confidence!
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* Asus model Laptop Batteries
Asus Laptop Battery (Our Popular Products )
C21N1903
Asus ExpertBook B9 B9450 B9450F B945
4335mAh£ 42.09 £ 52.00C31N2024
Asus Vivobook 16X K3605VC
4335mAh£ 55.09 £ 68.00C32N1810
Asus ZenBook Flip 15 UX562 UX562FD U
7480mAh£ 42.09 £ 52.00C41N1838
Asus ProArt Studiobook Pro X 0B200-0
4090mAh£ 42.09 £ 52.00AP16M4J
Acer Aspire 3 A315-41 A315-42 A315-5
4870mAh£ 42.09 £ 52.00C21N1706
Asus ZenBook Flip S UX370 UX370U UX3
5070mAh£ 42.09 £ 52.00C31N1914
Asus ZenBook 14 UX435EA UX435EAL UX4
5427mAh£ 42.09 £ 52.00C42N2008
Asus ZenBook Pro Duo 15 OLED UX582 U
5984mAh£ 52.09 £ 65.001. Better Quality:
With the international Standard Control from R&D, Manufacturing and test, Our battery for Asus C21N1903 have passed CE, UL, ROHS, ISO9001,QS9000 and TS16949.
2. Competitive Price:
At least Save up to 30% from our site battery shopping. We can provide cheap and high quality Asus C21N1903 batteries to benefit our customers.
3. Timely Shipping:
We provide timely delivery to our customers. We will shipping the battery immediately after got your payment. It is usually take 7-15 business days for you get the replacement Asus ExpertBook B9 B9450 B9450F B9450FA battery.
4. Technical Support&Service:
We are committed to providing technical support and after sale services as follow:
(1)30 Days Money back of without receiving battery.
(2)1 year free quality warranty after you purchase.
(3)Fast shipping and tax to worldwide.
FAQs
Q:Do I need to create an account to buy a battery for C21N1903?
A:No. You don't need an account to place an order on Batteryforpc.co.uk. There are only three simple steps: add a shopping cart, add a shipping address, and make a payment.
Q: How can I check if the laptop battery is compatible with my laptop?
1) Find the "Model Name" label on the front of your laptop under the keyboard (some are on the back) or the "Battery Model" label on the battery, then look for that model number in the Product Compatibility List on this website.
2) Compare whether the voltage and capacity of your original battery are consistent with ours, and then look at the big picture of our product to see if the interface and general shape are the same.
3) If you have any questions, feel free to 「Contact Us」.
Q: The voltage of the battery on your website is different from my Asus C21N1903 battery. Can it be used?
A:Generally speaking, the voltage of your original Asus ExpertBook B9 B9450 B9450F B9450FA Battery Replacement is the same as ours. However, there may exist inconsistencies. Please do not worry! The voltages in the following situations are compatible with each other.
3.6V / 3.7V
7.2V / 7.4V
10.8V / 11.1V
14.4V / 14.8V
Q: How to charge the Asus C21N1903 battery properly?
A: You should charge the replacement battery for Asus C21N1903 before the battery exhaustively discharged, otherwise it will shorten its life. It is feasible to charge the laptop battery before the power is less than 20%. Meanwhile, the battery should be charged in a dry place, and please pay attention to high temperature, which is the biggest threat to battery life.
Q: How to deal with the replacement battery for Asus C21N1903 when you won't use for a long time?
A: If you let your Asus ExpertBook B9 B9450 B9450F B9450FA battery replacement lay idle for a long time, please charge the laptop battery or discharge to about 40%, and then put it in a dry and cool place to save. Indoor temperature is best maintained at 15 to 25 degrees Celsius because the temperature is easy to accelerate the battery aging either too high or too low. You'd better fully charge and discharge the battery at least once a month. Finally please save it in accordance with the above method.
Description of Asus C21N1903 battery replacement
All of our Asus C21N1903 batteries are made with high-quality original new Cells, they are designed to meet or exceed the OEM (original) specifications. C21N1903 Batteries of Asus for Asus ExpertBook B9 B9450 B9450F B9450FA are brand new, 1 year Warranty, 30 days money back guarantee.
We promise that the Asus ExpertBook B9 B9450 B9450F B9450FA Battery sold in our website are 100% brand new - We never sell used or refurbished C21N1903 Battery
100% new high quality Replacement battery Compatible your advent laptops.
Provides excellent discharge characteristics.
Quick delivery for every order.
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