What You Get: M5Y1K Battery(The internal PCB board of the M5Y1K battery has been upgraded to guarantee full compatibility with the original Dell 40Wh M5Y1K 14.8V battery. It is compatible with computers of any vintage, without any restrictions based on the computer's model year),User Manual for dell 40wh m5y1k 14.8v battery.For assistance with the DELL Laptop Battery 40WH M5Y1K or M5Y1K 14.8V 40WH battery for dell , please visit our product detail page. Compatible for Dell Inspiron 14 3000 series 3451 3452 3458 3459 3462 3467;Inspiron 14 5000 series 5451 5452 5455 5458 5459;for Dell Inspiron 15 3000 series 3551 3552 3558 3559 3565 3567; for Dell Inspiron 15 5000 series 5545 5551 5552 5555 5558 5559 5758; for Dell Inspiron 17 5000 series 5755 5756 5758 5759; for Dell Inspiron N3451 N3452 N3458 N3551 N3552 N3558 N5451 N5458 N5551 N5555 N5558 N5559 N5755 N5758 N5455 N5459; Vostro 3458 3459 3558 3559; Latitude 3460 3560 laptop Notebook battery