Acer Extensa 4100 Long Life Laptop Battery Replacement

replacement Acer Extensa 4100 battery
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8 cells 4400mAh Acer Extensa 4100 Battery Replacement

The new Acer Extensa 4100 battery is made with Grade A battery cells and 100% compatible with the original battery specifications.

  • SKU : CLT302
  • Condition : Replacement, Brand New
  • Voltage : 14.8V
  • Capacity : 4400mAh
  • Cells : 8 cells
  • Cell Type : Li-ion
  • Color : Black
  • Size : 211.40x70.60x22.30mm(L x W x H)
  • Availability : In Stock
Product Description
Better quality, Better price

Long Life Acer Extensa 4100 Notebook Battery, Buy with Confidence!

Bring your original laptop back to life with high-quality Acer Extensa 4100 laptop battery - Made of high-quality materials, top grade battery cells and packed with safety features.

Features of Our Acer Extensa 4100 replacement battery:
  1. Fully compatible with the original laptops.
  2. Low power consumption IC design.
  3. No memory effect, fast charge.
  4. Certified by CE, UL, ROHS, ISO9001/9002 for safety.
  5. Our Acer Extensa 4100 battery contains Grade A battery cells to ensure longer battery life and more charge cycles.

Our requirements for safety performance are extremely strict, and each replacement battery for Acer Extensa 4100 has gone through more than one hundred strict tests on the quality and safety. More importantly, our Acer Extensa 4100 laptop batteries are sold directly on the network, without other agents profits included. Thus, the Acer Extensa 4100 battery price that you see on our website will be 20-50% lower than our competitors in general. If you find a cheaper Acer Extensa 4100 replacement battery on the competitive website, please let us know that and we will solve this problem for you.

Safety First

Each battery contains built-in multi-protection functions for maximum safety.

  • short circuit protection
  • overcurrent protection
  • overcharge protection
  • overheating protection
  • over discharge protection
  • CLASS A protection
  • overvoltage protection
Product Larger Images

Please check the model and shape of your Acer Extensa 4100 original battery . Make sure you get the correct battery.
It is an inexaustive list. If your original battery part number or your machine model name are not listed in the description, our battery may still fit your laptop. Therefore, please feel free to contact us to confirm the compatibility.

Compatible Battery Part Number
  • 4UR18650F-1-QC192
  • 4UR18650F-2-QC140
  • 916C2990
  • AHA44122909
  • BT.00407.007
  • BT.00607.001
  • BT.T5003.001
  • BT.T5007.002
  • CGR-B/423AE
  • SQU-401
Compatible Laptop Models
  • Extensa 4100
  • Aspire 1414WLMI
  • Aspire 1641LM
  • Aspire 1682WLC
  • Aspire 1684WLMI
  • Aspire 1689WLMI
  • Aspire 1691LMI
  • Extensa 3002LMI
  • Extensa 3003WLM
  • TravelMate 2301WLC
  • TravelMate 2301WLCI
  • TravelMate 2302LC
  • TravelMate 2313NLMI
  • TravelMate 4000NLCI
  • TravelMate 4021NWLCI
  • TravelMate 4021NWLMI
  • TravelMate 4102NWLCI
  • TravelMate 4504LM
  • TravelMate 4602LMI
Shipping Methods
  1. After payment, we will arrange shipment within 24 hours.
  2. When the shipment is confirmed, you'll receive a tracking number in your confirmation e-mail.
  3. This replacement Acer Extensa 4100 battery will be sent well packed in anti-static bag, Boxed in sponge padded box and further sealed in plastic bag.
Payment Methods
payment methods of Canada Laptop Battery

30-Day Money Back Guarantee
The new Acer Extensa 4100 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.

1-Year Warranty
We offer 12 months warranty on the replacement Acer Extensa 4100 laptop battery! During this period, if your battery fails due to quality problems, we will replace your battery with a new one.

100% Security Payment
Your privacy and security of information are of the utmost importance here at We have taken all the necessary steps to ensure that your shopping experience with us is 100% safe and secure. Buy Acer Extensa 4100 replacement battery with confidence!


Q: My old Acer Extensa 4100 battery is plugged in but not charging.

A: If your original laptop battery is exhausted shortly after fully charged or not charged at all, it is mostly a faulty battery. We recommend that you buy a new Extensa 4100 laptop battery directly to avoid annoying troubles, and you can bring the laptop back to life with our high-quality Acer Extensa 4100 replacement battery.

Q: What if you ordered the Acer Extensa 4100 battery and it didn't fix the "plugged in not charging" problem?

A: We offer a 30-day money back guarantee on the Acer Extensa 4100 replacement battery! If we sent a defective battery we will replace it with a brand new battery for free within the first 30 days. If you discover that you did not need a new battery you can return it for a full refund within 30 days. You can see more about our warranty policy by visiting this page.

Q: How to extend the life of your Acer Extensa 4100 battery?

  • 1
    Don't run out of your Acer Extensa 4100 notebook battery.
  • 2
    Fully charge your laptop before first use.
  • 3
    Unplug the USB device that is not used on the notebook.
  • 4
    Make sure the vents in your laptop not blocked and the laptop not overheated.
  • 5
    If your Acer Extensa 4100 battery will not be in use it should be removed from your original laptop and stored in an Anti-Static bag and in a dry, cool place. make sure it has about 40 - 50% charge and it is highly recommended to cycle it at least once a month.

Note: Charging the battery when using the notebook, or continuing to use the external power supply after the completion of charge will not cause additional damage to the battery.