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M5Y1K battery is a must-have accessory for your computer, ensuring that you are never out of power no matter where you are. Whether you are on the go, taking a camping trip, attending a business meeting, or just need to work from a remote location, it is the perfect companion for your computer
How to purchase the correct replacement battery?
To purchase the correct replacement battery for your laptop, follow these steps:
1. Check your specific laptop model name by pressing [Win] + [R] key and entering [msinfo32] or [dxdiag]. Click OK to find your system model. Use your laptop model name to find the correct replacement battery.
2. Check your original battery's type model and shape by removing the laptop back cover. Use this information to search for the replacement battery.
Note: Dell laptops have a wide range of batteries for each series, so when purchasing a battery, please base your decision on the specific model number of your laptop, such as "Dell Inspiron 15 3567," rather than just the series. Searching and buying through "Dell Inspiron" alone will almost certainly result in purchasing the wrong battery. Alternatively, you can remove your original battery and buy a replacement based on its model number.
40wh Standard Rechargeable Li-ion laptop Battery Type M5Y1K 14.8V
- Brand: DMKAOLLK
- Item: M5Y1K Rechargeable battery
- Battery Type: Li-ion
- Cells: 4-cell
- Complying with the CE/FCC/ROHS/UL Certified Standard
- 60 Days Money Return
- 12 Months Warranty
- 2 Years Tech Assistance
New Replacement Dell 40Wh M5Y1K 14.8V Battery
Shipped from US warehouse or Amazon warehouse
- Grade A NMC cells - Ensuring longer life and durability ,Up to 1000 recharge cycles
- 100% Compatible - Meeting OEM specifications for safety and performance
- Built-in multi-protection functions - Short circuit, overheat, and overload protection
- Smart control chip - Faster charging, lower power consumption, and extended discharge time
- True Capacity-40Wh , 14.8V
100% compatibility with the original dell 40wh Standard Rechargeable Li-ion laptop Battery Type M5Y1K 14.8V
The internal PCB board of the M5Y1K battery has been upgraded to ensure 100% compatibility with the original dell 40wh m5y1k 14.8v battery . It is compatible with computers of any year, without any limitations on the computer's model year.
Top Quality Battery Cells
When it comes to laptop batteries - it all boils down to the battery cells inside.
As laptop battery users ourselves, we wanted to deliver a battery that doesn't only only last long, but also safe for use. We’ve incorporated Grade A DMKAOLLK battery cells to ensure longer battery life, durability, and lower power consumption. All of our batteries offer 1000+ recharge cycles over life of battery
Perfect Fit
All of our batteries are brand new and are 100% compatible to meet OEM specifications for safety and efficiency. Same size as original battery, Don't worry about assembly and adaptation issues
Packed With Safety Features
Each battery contains built in multi-protection functions such as short circuit, overheat & overload for maximum safety.
Product details
Power Interface: Gold-plated connector points to ensure current transport excellently and serve stably.
Enclosure: The enclosure is made of ABS + PC high quality material, it has high temperature resistant function to protect your laptop overheat
Battery Buckle: The battery buckle is closely connected to the laptop, and the metal interface is stably powered
Easily cope with various scenarios. Say goodbye to low battery and get rid of long-term reliance on chargers
Bruce Herrera
Reviewed in the United States on March 1, 2025
The battery is is perfect shape.
Jerry
Reviewed in the United States on February 9, 2025
Doesn't last as long as original batter but it works.
stephen anton
Reviewed in the United States on February 10, 2025
Was more than I expected. Quality, price and solid construction.
Tida
Reviewed in the United States on January 20, 2025
I am very pleased with my Dell laptop internal battery order. Exactly what I ordered and was compatible with my laptop. Already installed and working well. Came on time.
Michael E M
Reviewed in the United States on January 16, 2025
Bought this to replace original power block that came with the laptop. Plugs in snugly to the laptop. Was recognized by the laptop and charged to full. No fuss.
Nicole
Reviewed in Canada on March 25, 2024
Right match and arrived quick. Price too high
Client d'
Reviewed in Canada on March 18, 2024
Il est difficile de répondre sur la longévité et durée de vie car je viens de recevoir ce produit
Luna17
Reviewed in the United States on November 30, 2024
I purchased this battery and with death in family I just got around to installing this. After opening the back of my computer, I realize this is not even close to the size of battery that will fit in my Dell Inspiron 3583 laptop. My battery is square, and this battery is long and rectangle shaped. I am out of the return window by 2 weeks. I immediately started a chat with an Amazon associate who said they would refund my money, but it's been a week now and no refund was issued. Apparently I'm screwed out of $30. Be warned, it does not fit Dell Inspiron 3000 series laptop, which it clearly says it does in the description.
Suzie
Reviewed in the United States on November 28, 2024
Thank you for this battery for my Dell laptop! The one that came with the laptop stopped holding a charge, so when I found this one, I took a chance and ordered it and it works great. I was so happy it was compatible with my laptop. It installed easily - slides right into the spot meant for it in my laptop and locks in place fine. Very speedy shipping too. Good value for the money.
Gilles
Reviewed in Canada on April 20, 2024
C’est exactement ça que j’avais besoin pour mon ordinateur merci
Ulrich Gauthier
Reviewed in Canada on April 17, 2024
It brought my laptop back to life.
Glenn
Reviewed in Canada on October 30, 2023
The battery arrived on time and was simple to install. I've had this battery installed on the laptop for 3 months now and has worked flawlessly and got me through a couple of power outages. I would recommend this battery when a replacement is needed.
Christina
Reviewed in the United States on March 2, 2022
Buying a replacement battery directly from the brand manufacturer would've cost $130 + taken more than a month for delivery. I didn't have a month when my battery was depleted thus affecting my laptop performance. I even talked to someone about faster delivery, wanting to see if there were any options for that and was told "WE CANNOT CHANGE DELIVERY TIMES", like that in all capital letters. Also I really wasn't wanting to pay that large of a sum for a battery, for that cost I might as well put that kind of money into buying a new laptop. Anyway, this works out great. Its compatible with my laptop, is the same voltage as my old battery, and is doing what it needs to do. The battery does not come fully 100% charged, but it charges up fully within a half and I get several hours of a charge without the adapter needing to be plugged in. Why bother wasting your money with the manufacturer when this works just the same? I will recommend this to anyone needing a new battery!
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