How can a laptop's battery reach the end of life? Until last week it used to last for 2-2.5 hours now out of blue it has reached end of life how is
![Amazon.com: SLE-TECH 65WH MR90Y Battery Compatible with Dell Inspiron 3521 3721 5521 5721 14-3421 14-3437 14R-5421 14R-5437 17 Latitude14 3000 3540 Series XCMRD PN 0MF69 N121Y G35K4 MK1R0 VR7HM : Electronics Amazon.com: SLE-TECH 65WH MR90Y Battery Compatible with Dell Inspiron 3521 3721 5521 5721 14-3421 14-3437 14R-5421 14R-5437 17 Latitude14 3000 3540 Series XCMRD PN 0MF69 N121Y G35K4 MK1R0 VR7HM : Electronics](https://m.media-amazon.com/images/I/81qhYUBh+oL._AC_UF350,350_QL80_.jpg)
Amazon.com: SLE-TECH 65WH MR90Y Battery Compatible with Dell Inspiron 3521 3721 5521 5721 14-3421 14-3437 14R-5421 14R-5437 17 Latitude14 3000 3540 Series XCMRD PN 0MF69 N121Y G35K4 MK1R0 VR7HM : Electronics
![Interview] Galaxy Book Developers on How Next-Level Battery Power is Raising the Bar for the Laptop Market – Samsung Global Newsroom Interview] Galaxy Book Developers on How Next-Level Battery Power is Raising the Bar for the Laptop Market – Samsung Global Newsroom](https://img.global.news.samsung.com/global/wp-content/uploads/2020/07/Galaxy-Book-S-Battery-Interview_Thumb728F.jpg)