New Dell Inspiron 15R 3521 3537 5521 5537 5721 5737 DL74 22 Battery Specifications Condition: New Model: DL74 22 - Brand New Replacement Purpose: Dell Inspiron 14 3421, 14R 5421, 15 3531, 15R 5521, 17 3737, 17 5749, 17R 5721 Battery Voltage: 11.1V (10.8V) Capacity: 2200 mAh (24Wh) Laptop Dedicated Battery: Dell Inspiron 14 3421 Dell Inspiron 14R 5421 Dell Inspiron 15 3531 Dell Inspiron 15R 5521 Dell Inspiron 17 3737 Dell Inspiron 17 5749 Dell Inspiron 17R 5721 Latitude 3440 Latitude 3540 Vostro 2421 Vostro 2521 Vostro 3445 Vostro 3446 Vostro 3449 Vostro 3546 Vostro 3549 Replaces battery models with the designations: 312-1387 FW1MN MR90Y XCMRD Illustrative Pictures, show a sample piece of the product: The new Dell Inspiron 14 3421 14R 542115 3531 15R 5521 17 3737 17 17R battery comes from the offer of Kompre.pl – an authorized seller of post-lease business class computers. We also have other Dell models – check out: https://kompre.pl/pl/c/Laptopy-Dell/364. Each unit is tested, cleaned and prepared to work with the current system. A long door-to-door warranty ensures support and security of your purchase.