Replacement X40PW91 11.1V 4000mAh 44Wh Battery for Asus VivoBook S300C VivoBook S300CA

-12% Replacement C31-X402 44Wh Battery for Asus VivoBook S300 S300C S300CA S400 S400C S400E

Replacement X40PW91 11.1V 4000mAh 44Wh Battery for Asus VivoBook S300C VivoBook S300CA

Free Shipping

This product qualifies for free air shipping.

  • Views(Previous Week): 3240
  • Product Code: X40PW91
  • Availability: In Stock
37 Products Sold (Previous Week)
  • AU$74.43
  • AU$65.55
  • Ex Tax: AU$65.55

Replacement X40PW91 11.1V 4000mAh 44Wh Battery for Asus VivoBook S300C VivoBook S300CA

Battery Type: Li-Polymer, Battery Volt: 11.1 V, Capacity: 4400mAh, Battery Color: Black

Compatible Model Numbers:

S300CA, S500CA, S500CA-DS51T, S550CA, VIVOBOOK S400, VivoBook N550X47JV-SL, VivoBook S300, VivoBook S300C, VivoBook S300CA, VivoBook S400C

Compatible Part Numbers:


Follow the notice below, Better using your Asus X40PW91 Laptop Battery

  1. Storage - Store your X40PW91 Laptop Battery in a clean, dry, cool place away from heat and metal objects. The Asus X40PW91 batteries will self-discharge during storage; remember stored at about 40% state-of-charge.
  2. Charge and discharge - For lithium ion batteries, you do not need to discharge them fully and recharge constantly. You need to do a full discharge only about every 30 charges. Do not charged to higher voltages than its threshold voltage
  3. Exercise Your X40PW91 Battery - Do not leave your batteries dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.
  4. Calibrate Your batteries - If your Battery's 76% even less in work , you must fully charge, fully discharge, and then fully recharge the Laptop Battery pack.
    Consider removing the X40PW91 battery from a laptop when running on fixed power
  5. Do not short-circuit. A short-circuit may cause severe damage to the battery.
  6. Avoid propping your laptop on a pillow, blanket, or other soft surface that can heat up. Your X40PW91 battery is a lot less efficient when not within its standard operating temperature range.


  • If the capacity is low in current,CPU will be in electricity-saving model and battery can not be charged.In this case,take off the battery and fit on to rouse the CPU. The X40PW91 battery can be charged then.
  • Remove the battery when don't use if for long time,or the currency will be lost and the cell will be damaged.
  • Recharge the battery as the circle more than once per month to make the management of capacity reach its best status, and prolong Asus  X40PW91 Laptop Battery useful life.


Write a review
Note: HTML is not translated!
    Bad           Good

Tags: VivoBook, S400E, X40PW91