High-grade Battery for Asus K73 (4400mAh, 6 cells)

  • SKUBUS556
  • ConditionReplacement, Brand New
  • Voltage10.8V
  • Capacity4400mAh
  • Number of Cells6 cells
  • Cell TypeLi-ion
  • ColorBlack
  • Size205x45x21mm(L x W x H)
  • Warranty1 Year
  • AvailabilityIn Stock

High-grade Battery for Asus K73 (6600mAh, 9 cells)

Battery for Asus K73 laptop
This is a high capacity battery, the bottom of this battery will extend out about 1 inch(bigger size).
  • SKUBUS557
  • ConditionReplacement, Brand New
  • Voltage10.8V
  • Capacity6600mAh
  • Number of Cells9 cells
  • Cell TypeLi-ion
  • ColorBlack
  • Size205x45x38mm(L x W x H)
  • Warranty1 Year
  • AvailabilityIn Stock
Note : 1. 10.8V and 11.1V are compatible, they are in common use. 2. The 6600mAh(9 Cells) battery will extend out about 1 inch from the bottom of the laptop, bigger size but lasting longer.

Product Features

Excellent Quality,Thorough Service

The replacement battery for Asus K73 from BatteryBuy.us will be your best choice. We offer the high quality laptop battery at a more reasonable price. Our Asus K73 batteries can be charged/discharged for at least 600 cycles. Being made of ABS plastic case and the original IC protection chip, it could give you new experience of excellent durability.

With first-class quality assurance, the battery for Asus K73 provides protections of voltage, short circuit, charging time, ESD, and so on. Each Asus K73 laptop battery 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 K73 battery for you.

In addition, we provide a 30-day money back guarantee and a one-year warranty for you. If you have any dissatisfaction after receiving the battery for Asus K73, you can click the link to find more details about our Returns and Warranty service. Please rest assured to purchase from us!

Multiple Intelligent Protection


Product Larger Images

Battery for Asus K73 laptop Battery for Asus K73 laptop Battery for Asus K73 laptop Battery for Asus K73 laptopBattery for Asus K73 laptop Battery for Asus K73 laptop Battery for Asus K73 laptop Battery for Asus K73 laptop

Compatible Asus Part Numbers

  • 70-NX01B1000Z
  • 70-NXH1B1000Z
  • 70-NZY1B1000Z
  • 70-NZYB1000Z
  • 90-XB2KN0BT00000Y
  • A32-K72
  • A32-N71

Compatible Asus Laptop Models

  • K73
  • K73B
  • K73BR
  • K73BY
  • K73E
  • K73E-A1
  • K73E-TY080V
  • K73E-TY202V
  • K73J
  • K73JK
  • K73S
  • K73SD
  • K73SJ
  • K73SJ-TY020V
  • K73SJ-TY021V
  • K73SM
  • K73SV
  • K73SV-A1
  • K73SV-DH51
  • K73SV-TY032V
  • K73SV-TY053V
  • K73SV-TY082V
  • K73SV-TY137V
  • K73SV-TY147V
  • K73SV-TY171V
  • K73SV-TY201V
  • K73SV-TY291V
  • K73SV-TY299V
  • K73SV-TY300V
  • K73SV-TY381V
  • K73T
  • K73TA
  • K73TA-TY027V
  • K73TK

Shipping Methods

Shipping Details

Payment Methods

Payment Details


1-Year Warranty
All our high quality replacement batteries for Asus K73 laptop come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.

30-Day Money Back Guarantee
Our goal is to turn customer satisfaction into ‘Complete Customer Satisfaction’. That's why we offer you a 30-day money back guarantee, on top of our warranty and RMA procedure for defects!
Please note: in order to qualify to get your money back, you must first contact us and await instructions before sending back your product.


If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution for your problem. If the problem cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you. If inspection concludes that the returned battery is defective, a new battery will be shipped out without extra charge.
Please note: we cannot process returned batteries if you have not yet received an RMA number.


Q: Is this Asus K73 battery compatible with my laptop?

A: Through product compatibility table, you can check if Asus K73 battery is compatible with your laptop. Clicking product larger Images, you can confirm the selected correctness of Asus K73 laptop battery. What’s more, please pay attention to check if the voltage (rated value) is the same as your old one. For more details please click How to find one correct battery for my laptop?

Q: How long will the Asus K73 battery last? When should I replace my battery?

A: All rechargeable batteries are being spoilt gradually from the date it starts running. Performance degradation will be found by users in 18-24 months. When the runtime is unable to meet your demand, we’d suggest you buy a new Asus K73 battery.

Q: How to charge my Asus K73 laptop battery correctly?

A: There is no need for you to charge the battery over 12 hours, just charge and discharge it normally instead. Because lithium-ion battery has no memory effect. Additionally, you should charge in time while the power remains only 10%-20%. If your battery won’t be used for a long time, please charge it once a month and keep battery power over 50%. Moreover, there is no harm even if you charge battery while using your laptop or supply external power in a fully-charged state. However, if your laptop has been running at high speed for a long time, which causes overheat insides, you'd better take the Asus K73 battery out of laptop.

Q: How to replace my Asus K73 laptop battery?

1 Turn off laptop and unplug the power cord.
2 Remove the battery release button, and then uninstall your old Asus K73 battery carefully.
3 Use a clean cloth to wipe off dust from the battery compartment. It’d be better if you could wipe the exposed conductive part, which connects battery and laptop, with alcohol to remove the copper rust before installing a new battery.
4 Keep your laptop and battery in a cool dry place (heat may destroy a battery).
5 Install new Asus K73 replacement battery into your laptop, and remember to close the battery latch.