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 14-3451 14-3452 14-3458 14-3459 14-3462 14-3467 14-5451 14-5452 14-5458 14-5459 14-5455 14-5459 15-3551 15-3552 15-3558 15-3559 15-3565 15-3567 15-5551 15-5552 15-5555 15-5558 15-5559 15-5758 17-5755 17-5756 17-5758 17-5759 laptop Notebook battery, Dell 40Wh Standard Rechargeable Li-ion Battery Type M5Y1K 14.8V 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