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This 40Wh 14.8V M5Y1K lithium-ion battery is a brand-new, high-performance replacement designed for Dell Inspiron 3000 & 5000 series and Vostro 14 laptops. Featuring 4-cell construction and comprehensive safety certifications (CE, FCC, RoHS), it guarantees reliable power delivery and protection. Its precise fit and factory testing ensure instant, hassle-free installation and long-lasting laptop uptime.
| ASIN | B07T59QNWL |
| Batteries | 4 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #7,341 in Electronics ( See Top 100 in Electronics ) #40 in Laptop Batteries |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,665) |
| Date First Available | June 18, 2019 |
| Department | Laptop batteries |
| Is Discontinued By Manufacturer | No |
| Item Weight | 9 ounces |
| Item model number | 14.8V 40Wh Type M5Y1K Battery |
| Manufacturer | DONG GUAN BOYU ELECTRONICS CO., LTD. |
| Product Dimensions | 10.6 x 1.5 x 0.75 inches |
C**R
Laptop battery replacement
Fits good. Works great. Model number I'd perfectly.
C**S
Great Value & Quality (Partially Charged!)
Needed to replace the battery for an old laptop I had, switched it out, and worked immediately. It came partially charged. Great Price!
F**S
Brought my laptop back to life
I am so glad I was able to find this battery! After having my dell laptop since 2017, the battery did not work anymore. I had to keep my laptop plugged like a PC to be able to use it. Now that I replaced the battery my laptop is good as new, and I can actually take it with me when I travel.
T**N
Product OK My computer to old
Product OK. Computer is to old
J**.
Labtop battery
Battery works perfectly
D**.
Worked
Easy install, fit well. Seems to be working properly
M**.
Good product
Excelent
Y**Y
Replacement battery for an old Dell laptop, died 7 months later.
My Dell is over 8 years old but it's still kicking. The original battery only last about a good hour use before it the laptop will power off. Since the laptop is at its end of service/life. You can no longer buy the batteries from Dell. Took a gamble on this replacement and to my surprise. The cell are made in Korea and assembled in China. My guess these cells are probably made by Samsung. Everything fits, snaps right in and was about to use the laptop for about an hour before I decided to plug it in and charge it up (went from 68% down to 62% in 30 minutes so that's really good) So far so good and no error whatever after leave the laptop on and unplugged. Will update again at a later date to see if the cell and it's life cycles holds up. Update - 04/04/2025 Well the battery just died one day and computer failed to turn on. Got the loud error beeps, end up removing the battery and stick the OE one back in just to back up my data again. The laptop was plugged in 90% of the time so I'm not sure what went wrong. I originally gave it a 5 star and now changing to to 1 due to such a short life span and the laptop being plugged in majority of the time while in use.
Trustpilot
2 weeks ago
3 weeks ago