Note : 15.1V and 15.4V are compatible, they are in common use.
Product Description
Better quality, Better price
Long Life Dynabook PORTEGE X40-K-12X Notebook Battery, Buy with Confidence!
Bring your original laptop back to life with high-quality Dynabook PORTEGE X40-K-12X laptop battery - Made of high-quality materials, top grade battery cells and packed with safety features.
Features of Our Dynabook PORTEGE X40-K-12X replacement battery:
Fully compatible with the original laptops.
Low power consumption IC design.
No memory effect, fast charge.
Certified by CE, UL, ROHS, ISO9001/9002 for safety.
Our Dynabook PORTEGE X40-K-12X 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 Dynabook PORTEGE X40-K-12X has gone through more than one hundred strict tests on the quality and safety. More importantly, our Dynabook PORTEGE X40-K-12X laptop batteries are sold directly on the network, without other agents profits included. Thus, the Dynabook PORTEGE X40-K-12X battery price that you see on our website will be 20-50% lower than our competitors in general. If you find a cheaper Dynabook PORTEGE X40-K-12X 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
ELECTROMAGNETIC
POWER PROTECTION
overheating protection
CHARGING TIME PROTECTION
ESD PROTECTION
over discharge protection
INTELLIGENT PROTECTION
CLASS A protection
overvoltage protection
Product Larger Images
Compatibility
Note:
Please check the model and shape of your Dynabook PORTEGE X40-K-12X original battery(use Ctrl + F to search the model). 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.
After payment, we will arrange shipment within 24 hours.
When the shipment is confirmed, you'll receive a tracking number in your confirmation
e-mail.
This replacement Dynabook PORTEGE X40-K-12X battery will be sent well packed in anti-static
bag, Boxed in sponge padded box and further sealed in plastic bag.
Payment Methods
Warranty
30-Day Money Back Guarantee
The new Dynabook PORTEGE X40-K-12X 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 Dynabook PORTEGE X40-K-12X 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 CanadaLaptopBattery.com. We have taken all the necessary steps to ensure that your shopping experience with us is 100% safe and secure. Buy Dynabook PORTEGE X40-K-12X replacement battery with confidence!
FAQs
Q: My old Dynabook PORTEGE X40-K-12X 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 PORTEGE X40-K-12X laptop battery directly to avoid annoying troubles, and you can bring the laptop back to life with our high-quality Dynabook PORTEGE X40-K-12X replacement battery.
Q: What if you ordered the Dynabook PORTEGE X40-K-12X battery and it didn't fix the "plugged in not charging" problem?
A: We offer a 30-day money back guarantee on the Dynabook PORTEGE X40-K-12X 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 Dynabook PORTEGE X40-K-12X battery?
1
Don't run out of your Dynabook PORTEGE X40-K-12X 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 Dynabook PORTEGE X40-K-12X 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.
