48 Whr Battery for Dell Inspiron 14R/15R/17R; Vostro 3460/3560 Laptop Battery, Part Numbers 8P3YX, 312-1311, 8858X. Go to amazon.com Related posts Top 8 best dell inspiron 7720 2022 FeatureInspiron 14R (5420), Inspiron 15R (5520), Inspiron 15R (7520)Inspiron 17R (5720), Inspiron 17R (7720) Vostro 3460Vostro 3560, 8P3YX, 312-1311, 8858X DescriptionThis is a Brand New Original 48Whr laptop battery.