High-performance Acer Aspire One 721 battery replacement | Premium Li-ion

Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Acer Aspire One 721 battery replacement
Our Acer Battery certification in Canada

6 Cells 4400mAh Acer Aspire One 721 battery Canada

  • SKUACA297
  • Condition Brand New, Replacement
  • Voltage11.1V
  • Capacity4400mAh
  • Number of Cells6 Cells
  • TypeLi-ion
  • ColorBlack
  • Size202.9x46.7x20.3mm (L x W x H)
  • Warranty30-days Money-Back Guarantee and 1 Year Warranty
  • AvailabilityIn Stock
Payment Methods
AcerBatteryCanada.com Warranty
Note : 10.8V and 11.1V are compatible, they are in common use.

Product Description

Trust Comes From Quality

High-quality cells
Our Acer Aspire One 721 battery is made of A+ cells provided by the original manufacturers, adopting high-quality lithium-ion materials to ensure the battery can be used safely for a super long time, rejuvenate your notebook.

Eradicate falsehood and persist in truthfulness
Our Acer Aspire One 721 battery replacement has 100% real capacity, all of the batteries you receive have passed the strict quality test, reaching or even exceeding the OEM standards.

Ideal fit and 100% compatible
The Acer Aspire One 721 replacement battery materials are supplied by the original manufacturer, the size of our battery is the same as the original battery, and 100% compatible with your laptop.

Security first
Each of our Acer Aspire One 721 laptop battery has built-in multiple protection devices, to prevent problems such as short circuits, overheating, overload, and achieve maximum security. We also adopted an intelligent controller to ensure longer service life and durability.

Why Buy With Us?

Expert in Acer laptop battery

As an online store specializing in Acer batteries, AcerBatteryCanada.com has absolute advantages. Focusing on Acer battery R&D for more than ten years and covering 26000+ types of batteries, our professional Technical team makes the battery performance better.

Premium after-sales service

After-sales service has become an inseparable part of our business. We give service to a 24*7 after-sale service through email, you can contact us whenever you want. What’s more, all of our Acer Aspire One 721 battery replacement has covered with 30-days money-back guarantee and a one-year warranty.

Shopping without an account

You don’t need to register an account for the battery purchased at AcerBatteryCanada.com. You can use Paypal to pay and it is of great security.

Well-considered package + free installation tools

To protect the Acer Aspire One 721 replacement battery during the shipping period, in addition to the thick waterproof, moisture-proof, and anti-static protection, all battery packs are protected by the double-layer shockproof sponge. Moreover, Considering the actual needs of customers, we provide free installation tools for the Acer Aspire One 721 battery.

Multiple Security Protection

  • Short Circuit PROTECTION

Large Product Images

Compatible Part Number

  • AK.006BT.073
  • NCR-B/663AE
  • AL10C31
  • LC.BTP00.130
  • 6112111132
  • BT.00603.113
  • AL10D56
  • BT.00605.064

Compatible Laptop Models

  • Aspire One 721
  • Aspire 1430-4857
  • Aspire 1830T-3337
  • Aspire 1830T-3425
  • Aspire 1830T-3730
  • Aspire 1830T-3927
  • Aspire 1830Z TimelineX
  • Aspire One 721-3070
  • Aspire One 721-3574
  • Aspire One 753-U342SS01
  • Aspire One AO721-128KI
  • Aspire One AO721-128RR
  • Aspire One AO721-12B1
  • Aspire One AO721H
  • Aspire TimelineX 1830T-3505
  • TimelineX 1830T

Shipping Methods

Risk Aversion

AcerBatteryCanada.com always adheres to the principle of customer first. To reduce customers' purchase risks, we have been on the way to overcome difficulties in product stability and reliability, insist on improving product defects and services, and promote delivery speed. As for product quality, we provide a 30-day non-condition refund and 1-year warranty service. Besides, we provide 24*7 online professional Q&A and email after-sales services. We are so confident in our products. The Acer Aspire One 721 battery replacement you buy from us must be the wisest choice!

Payment Methods

We Accept Payment Methods
PayPal PayPal
PayPal is a safe and reliable payment method. Why choose PayPal? PayPal (Paypal) provides buyers with 180 days of item protection, which can help you avoid risks. You can file a Paypal dispute within 180 days after payment. If your transaction complies with the Paypal buyer protection policy, you will receive a full refund (including original shipping costs).
Credit or Debit Card Credit Card
MasterCard, Maestro, VISA, Discover, American Express, Diners Club & Laser Card, etc. Paypal is free and safe. PayPal will not share any of your financial information with us.
Note: On the "Checkout" page, you will be led to the PayPal website, which your payment will be solely responsible for. Please note that if you do not have a PayPal account, you can choose the "Checkout as Guest" option and they will only ask for your credit card details. You will not be required to become a PayPal member.


The capacity of the purchased Acer Aspire One 721 laptop battery shows 0% and can’t be charged?

  • 1. Check the Acer Aspire One 721 replacement battery to see if the wiring is loose or the connection is not firm.
  • 2. If the circuit is normal, please check whether the battery adapter can work normally or not.
  • 3. If the circuit is normal and the charger is good, the issue may be that the circuit board inside the computer is faulty, check the method: replace the original battery to confirm whether it can work normally or check it in the local laptop repair shop.
  • 4. If the situation above has been checked while the battery still can not charge, the issue may be caused by the Acer Aspire One 721 laptop battery. Please contact us and we will solve it for you.

What's the difference between a 3-cell, 6-cell, 9-cell Acer battery?

The difference between those batteries is the duration. The more the cell is, the longer duration the battery will last. Meanwhile, the size of the battery will be larger. If you consider the duration of the battery most, you can choose a battery with more cells, but the bottom will protrude and the weight of the laptop will increase under these circumstances.

Do you have a local store that can help me replace the brand-new Acer Aspire One 721 battery?

Sorry, AcerBatteryCanada only sells high-performance Acer Aspire One 721 battery replacement and does not provide replace battery service, and our battery for Acer Aspire One 721 offers replacement tools free so that you can easily replace them, and we suggest that you can view the video about how to replace Acer Aspire One 721 battery or go to the laptop shop ask the technician to help you.

How to maintain the Acer Aspire One 721 battery?

It is recommended that you fully charge and discharge the Acer Aspire One 721 replacement battery at least once a month to keep the electrons flowing inside the battery, especially for those who use laptops frequently for a long time. You can also optimize battery performance by changing certain settings on your notebook. For example, turn off unnecessary devices and unused functions, such as Bluetooth and Wi-Fi, and dim the screen brightness to a comfortable level when using the notebook.

World-Wide Shipping

Shipped within 24 hours

30 Days Return

Money Back Guarantee

1-year Warranty


Safe Payment

Ensure secure payment with PayPal