The Dell M5Y1K / MY51K Laptop Battery is a premium 4-cell 40Wh replacement battery compatible with a wide selection of Dell Inspiron and Vostro laptops, including the 3558, 3567, 3576, 5558, and 5559 models. Featuring a 14.8V output and high-quality lithium-ion cells, it delivers reliable power, longer battery runtime, and efficient energy management for business, professional, and everyday computing. Advanced safety circuitry protects against overcharging, overheating, over-current, and short circuits, ensuring safe and dependable operation. Designed to meet OEM specifications, the M5Y1K replacement battery restores your Dell laptop’s battery life, portability, and overall performance, making it the ideal replacement for old or defective batteries.
Features
Premium lithium-ion cells for reliable and long-lasting performance.
40Wh capacity battery provides extended runtime between charges.
Built-in protection against overcharging, overheating, over-current, and short circuits.
Stable power delivery for business applications, office work, online learning, and everyday computing.
Direct-fit replacement engineered to meet or exceed original Dell OEM specifications.
Supports hundreds of charge cycles for dependable long-term performance.
Easy, external clip-in installation with a precise fit for compatible Dell laptops.
Key Specifications
Battery Model: M5Y1K / MY51K
Battery Type: Lithium-Ion (Li-Ion)
Cells: 4-Cell
Voltage: 14.8V (Compatible with 14.4V)
Capacity: 40Wh (2700mAh)
Color: Black
Condition: Brand New Replacement Battery
Rechargeable: Yes
Compatible Laptop Models
Dell Inspiron 14 3000 Series (3451, 3452, 3458, 3459, 3467)
Dell Inspiron 14 5000 Series (5451, 5452, 5455, 5458, 5459)
Dell Inspiron 15 3000 Series (3551, 3552, 3558, 3559, 3565, 3567, 3573, 3576)
Dell Inspiron 15 5000 Series (5551, 5552, 5555, 5558, 5559, 5566)
Dell Inspiron 17 5000 Series (5755, 5758, 5759)
Dell Vostro 14 3000 Series (3458, 3459, 3468)
Dell Vostro 15 3000 Series (3558, 3559, 3568)
Dell Latitude 3460 / 3470 / 3560 / 3570
Compatible Part Numbers
M5Y1K
MY51K
0M5Y1K
WKRJ2
0WKRJ2
G6J45
0G6J45
HD4J0
VN3N0
451-BBMG
KI04
K104
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