Replacement C31X402 11.1V 4000mAh 44Wh Battery for Asus S500CA-DS51T S550CA

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

Replacement C31X402 11.1V 4000mAh 44Wh Battery for Asus S500CA-DS51T S550CA

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  • Product Code: C31X402
  • Availability: In Stock
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  • AU$74.43
  • AU$65.55
  • Ex Tax: AU$65.55

Replacement C31X402 11.1V 4000mAh 44Wh Battery for Asus S500CA-DS51T S550CA

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 C31X402 Laptop Battery

  1. Storage - Store your C31X402 Laptop Battery in a clean, dry, cool place away from heat and metal objects. The Asus C31X402 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 C31X402 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 C31X402 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 C31X402 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 C31X402 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  C31X402 Laptop Battery useful life.


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Tags: VivoBook, S400E, C31X402