Premium Quality Asus B31N1909 Replacement Battery

B31N1909 Battery For Asus ExpertBook P2 P2451FA P2451FB P2451FB-1A

  • Stock: In Stock

  • SKU: AS7690JUN

  • FREE Shipping

This Asus B31N1909 Replacement Battery is made with high quality parts and is guaranteed to meet or exceed the original equipment manufacturers specifications at a reduced price.
Battery for Asus ExpertBook P2 P2451FA P2451FB P2451FB-1A (Battery Model: B31N1909)

  • Category: Laptop Battery
  • Capacity: 4212mAh
  • Voltage: 11.4V
  • Battery Type: Li-ion
  • Warranty: 1 Year

Compatible Part Number:


Fits Following Models:

Asus ExpertBook P2 P2451
Asus ExpertBook P2 P2451FA-EB0091R
Asus ExpertBook P2 P2451FA-EB0096R
Asus ExpertBook P2 P2451FA-EB0352R
Asus ExpertBook P2 P2451FA-EB0354R
Asus ExpertBook P2 P2451FA-EK0008
Asus ExpertBook P2 P2451FA-EK0009
Asus ExpertBook P2 P2451FA-EK0029R
Asus ExpertBook P2 P2451FA-EK0031R
Asus ExpertBook P2 P2451FA-EK0047
Asus ExpertBook P2 P2451FA-EK0100R
Asus ExpertBook P2 P2451FA-EK0174
Asus ExpertBook P2 P2451FA-EK0229T
Asus ExpertBook P2 P2451FA-EK0261
Asus ExpertBook P2 P2451FA-EK0261R
Asus ExpertBook P2 P2451FA-EK0261T
Asus ExpertBook P2 P2451FA-EK0335R
Asus ExpertBook P2 P2451FB
Asus ExpertBook P2 P2451FB-EB0017R
Asus ExpertBook P2 P2451FB-EB0019R
Asus ExpertBook P2 P2451FB-EB0039
Asus ExpertBook P2 P2451FB-EB0056R
Asus ExpertBook P2 P2451FB-EB0075R
Asus ExpertBook P2 P2451FB-EK0032R
Asus ExpertBook P2 P2451FB-EK0033R
Asus ExpertBook P2 P2451FB-EK0053R
Asus ExpertBook P2 P2451FB-EK0058
Asus ExpertBook P2 P2451FB-EK0063
Asus ExpertBook P2 P2451FB-EK0092R
Asus ExpertBook P2 P2451FB-EK0093R
Asus ExpertBook P2 P2451FB-EK0094
Asus ExpertBook P2 P2451FB-EK0095R
Asus ExpertBook P2 P2451FB-EK0096R
Asus ExpertBook P2 P2451FB-EK5810R
Asus ExpertBook P2 P2451FB-EK5810T
Asus ExpertBook P2 P2451FB-EK7810T
Asus ExpertBook P2 P2451FB-EK7850R
Asus ExportBook P2 P2451FA P2451FA-1A P2451FB-1A

If you're unsure whether this replacement battery is suitable for your device, please use our compatibility checker or contact us and we'll be happy to help.

High quality
The production of high-quality Asus B31N1909 batteries uses high-quality materials to achieve almost identical battery performance compared to the original battery.
The analog is a replacement, budget battery that performs its function and is the cheapest due to cheaper manufacturing costs. Great for those who want to replace a malfunctioning battery with a new one when there are no other alternatives or don’t want to invest more money into the device.
When do I need to replace the battery?
If you frequently experience unexpected shutdowns and / or battery life has significantly shortened.
Recommendation: To prolong the life of the battery, you should try to start charging the battery from 15-25% and charge it up to 80%.

Battery replacement for the Asus B31N1909. Our Asus B31N1909 battery is brand new, and 100% compatible with Asus ExpertBook P2 P2451FA P2451FB P2451FB-1A. We offer a quality replacement battery for this unit backed by our one year free replacement warranty as well as our no hassle 30 day money back guarantee.

Asus B31N1909 Laptop Battery replacement instructions:

Discharge the new battery use to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.
Do not disassemble, crush or puncture. Do not dispose of fire or water.
Don't connect the adapter for a long time while using the battery. It may damage the battery.

30 Days Money Back Guarantee
we offer a 30 days money back guarantee*.

1 Year Warranty
We are so confident about our high quality standards, that we offer 1 year warrnaty on each product.

How do I choose the right battery for my device?

Model equipment
The laptop model is usually located on the bottom of the device, reads it and enters it in the shop's search engine.
e.g. Asus ExpertBook P2 P2451FA P2451FB P2451FB-1A / Asus K53SV / HP Pavilion G6 / MacBook Pro 13 A1278
Battery code
The battery code is located on the inside of each battery on the rating plate. Read the code and enter it into the shop's search engine.
e.g. B31N1909 / AA-PB9NC6B / A32-M47 / BTY-L45

Shipment Methods

Currently, all of our shipments are through Priority Mail (EMS USPS),if you are dealer,you can selected others .We can not offer Overnight (UPS Red) and 2nd Day Delivery (UPS Blue) .

Shipping & Handling

Free Shipping on All Orders!
Orders Ship Out In 1 - 2 Business Days!
Estimated Delivery Time:7 - 15 Business Days
It is very easy for you to check the status of your order and locate the package during transit, as an email with a tracking number will be sent to your email address after your order has been shipped out. Tracking number will be emailed to buyer once your ordered item is shipped out.
Shipping rates: Our rates include the expenses of shipping, handling and the high quality packaging.
Attention: Priority mail will be used for all PO Box shipping addresses ,But All APO's and military addresses do not apply here.
Please use standard shipping for these. Thank you.

Payment Methods

Payment Methods