High-quality replacement battery for the Dell Latitude 5520, designed for long-lasting performance and reliable power backup. Ideal for replacing old or weak batteries, with safe operation and easy installation.Compatible with:Dell Inspiron 14R 5420 15R 5520 17R 7720 4420 4520 4720 5525 5720 7420 7520Dell Latitude E5420 E5430 E5520 E5530 E6420 E6430 E6520Dell Vostro 3460 3560 P15G P15F P16GHigh-performance replacement battery for Dell 5520 laptops