Dell M5Y1K Replacement Laptop Battery

Replacement Battery Compatible with Dell M5Y1K

Restore the freedom to use a Dell laptop away from the charger with the removable M5Y1K battery. It is suitable for replacing an ageing or weak battery when the part number, voltage, shape and mounting points match.

• Battery number: M5Y1K
• Common part numbers: 991XP and M5Y1K
• Cell chemistry: Lithium-ion
• Number of cells: 4 cells
• Voltage: 14.8V
• Capacity: Approximately 2750mAh
• Energy: 40Wh

Common compatible models: Selected Dell Inspiron 3451, 3551, 3558, 5451, 5455, 5558, 5559 and 5758 models, and Dell Vostro 3558 configurations that use the matching battery.

Important: Similar laptop models may use batteries with different voltage, energy or shape. Match the M5Y1K number, voltage and connector with the old battery label before ordering.

Need help confirming compatibility? Send us a clear photo of the old battery label and the Service Tag or full laptop model, and we will help you verify it.