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Acer Chromebook Spin 311 C721 R721T
Acer Chromebook Spin 311 C721 R721T

Acer AP18K4K
Acer AP18K4K
Certification ISO 9001, RoHS, CE

4200mAh Replacement Battery Acer AP18K4K for Acer Chromebook Spin 311 C721 R721T

SKU: AC7862SEP In Stock! ETA: 3-7 business days!

( Viewed: 190 )
  • SGD$65.28SGD$78.34

Reliability and security
battery AP18K4K, 11.4V, 4200mAh is a high-quality replacement for your original battery, which meets all technical requirements for reliability and security.
Safety and conformity certificates
battery Acer AP18K4K has CE, FCC and ROHS certificates, and complies with all requirements for safety applicable within the territory of the EU member states.

  • Condition:Brand New
  • SKU: AC7862SEP
  • Capacity:4200mAh
  • Voltage:11.4V
  • Cell Type:Li-Polymer
  • Manufacture Quality:Reinforced, High performance, No memory effect
  • Warranty:Full 12 Months Warranty and 30 Days Money Back
  • Your order will be dispatched within 48 hours.
  • Warranty

High-Performance replacement battery for Acer AP18K4K, Grade A cells

The replacement battery for Acer AP18K4K from Batteryboss.net will be your best choice. We offer a high-quality battery at a more reasonable price. Our Acer AP18K4K 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 the new experience of excellent durability.

With first-class quality assurance, the battery for Acer AP18K4K provides protections of voltage, short circuit, charging time, ESD, and so on. Each Acer AP18K4K 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 Acer AP18K4K battery for you.

In addition, we provide 30-Day Money Back Guarantee and a One-Year Warranty for you. If you have any dissatisfaction after receiving the battery for Acer AP18K4K, you can click the link to find more details about our Returns and Warranty service. Please rest assured to purchase from us!

Compatible Part Numbers

AP18K4K KT00304013

Compatible Model Numbers

for Acer Chromebook 311 C721-48BR
for Acer Chromebook 311 CB311-9H-C4PP
for Acer Chromebook 311 CB311-9HT-C3M2
for Acer Chromebook 311 C733T-C8SZ
for Acer Chromebook 311 CB311-9H-C7C8
for Acer Chromebook 311 CB311-9H-A14P
for Acer Chromebook 311 CB311-9HT-C4EN
for Acer Chromebook 311 C721 R721T
for Acer Chromebook 311 C733T-C8S
for Acer Chromebook 311 CB311-9H CB311
for Acer Chromebook 311 C733-C0RF
for Acer Chromebook 311 CB311-9HT-C783
for Acer Chromebook 311 CB311-9HT-C9LK
for Acer Chromebook 311 C721-25AS
for Acer Chromebook 311 CB311-9H-C0VS
for Acer Chromebook 311 CB311-9H-C98L
for Acer Chromebook 311 C733-C37P
for Acer Chromebook 311 CB311-9H-C3KK
for Acer Chromebook Spin 311 R721T-482Z
for Acer Chromebook 311 C721-45UR
for Acer Chromebook 311 CB311-9H-C8YX
for Acer Chromebook 311 CB311-9HT-C4UM
for Acer Chromebook 311 CB311-9H-C68F
for Acer Chromebook Spin 311 R721T-49FS
for Acer Chromebook 311 C721-C721T
for Acer Chromebook 311 CB311-9H-C38F
for Acer Chromebook 311 CB311-9HT-C27Q
for Acer Chromebook 311 C733T-C67J
for Acer Chromebook 311 CB311-9H-C4XC
for Acer Chromebook 311 C733-C6LC
for Acer Chromebook 311 CB311-9H-C0Z8
for Acer Chromebook 311 CB311-9HT-C8V9
for Acer Chromebook 311 CB311-9H
for Acer Chromebook 311 CB311-9H-C1JW
for Acer Chromebook 311 CB311-9H-C86S
for Acer Chromebook 311 C721-434R
for Acer Chromebook 311 CB311-9H-C12A
for Acer Chromebook 311 CB311-9HT-C888
for Acer Chromebook 311 C733-C2E0
for Acer Chromebook 311 CB311-9H-C5KP
for Acer Chromebook Spin 311 R721T-48A0
for Acer Chromebook 311 C733T
for Acer Chromebook Spin 311 R721T
for Acer Chromebook 311 C733
for Acer Chromebook Spin 311 R721T-28RM
for Acer Chromebook 311 C721

Multiple Security Protection

Warning About The Acer AP18K4K Batteries

If your capacity drops faster than you think, it means you should treat your Laptop Battery in time. Do not leave your Acer battery AP18K4K dormant for long periods. We recommend using the battery at least once every two to three weeks. It's a good idea to store the laptop part in a dry and cold place if it is not used. Clean the battery's metal contacts with rubbing alcohol on a damp cloth. Clean contacts increase energy efficiency. Turn off the wireless devices. This will save the Acer AP18K4K battery power. Batteries degrade more quickly when they’re hot.

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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 Products

All orders placed for Standard Shipping on all stock items will be shipped within 1 - 2 business days.

Estimated Delivery Time:3 - 7 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

1-Year Warranty

We offer 12 months warranty on the replacement Acer AP18K4K battery! During this period, if your battery fails due to quality problems, we will replace your battery with a new one.

30-Day Money Back Guarantee

The new Acer AP18K4K battery should be charged fully and discharged to lower 5-10% for 5-6 times for normally perform. Traditional 7-Day Money Back Guarantee cannot meet test needs enough. To this end, we extend the warranty from 7-day to 30 days.

100% Security Payment

Your privacy and security of information are of the utmost importance here at Batteryboss.net. We have taken all the necessary steps to ensure that your shopping experience with us is 100% safe and secure. Buy Acer AP18K4K replacement battery with confidence!

The capacity of the purchased Acer AP18K4K battery shows 0% and can’t be charged?

Check the Acer AP18K4K replacement battery to see if the wiring is loose or the connection is not firm.

If the circuit is normal, please check whether the battery adapter can work normally or not.

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.

If the situation above has been checked while the battery still can not charge, the issue may be caused by the Acer AP18K4K 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.

How to maintain the Acer AP18K4K battery?

It is recommended that you fully charge and discharge the Acer AP18K4K 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.

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