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Black rectangular 4-cell lithium-ion laptop battery

Damaite

Damaite M5Y1K 40Wh 14.8V 4-cell laptop battery

SKU CH-D5DE-M71SG

4-cell 40 Wh 14.8 V Li-ion replacement battery for Dell Inspiron and Vostro laptops

  • Battery type4 Cell Lithium-Ion
  • Battery voltage rating14.8 V
  • Battery capacity40 Wh
  • Product colorBlack
  • Product typeBattery
  • 40 Wh capacity powers your Dell Inspiron through long sessions
  • 8 V four-cell lithium-ion chemistry delivers stable voltage
  • Brand-new Damaite unit replaces OEM part numbers M5Y1K and K185W
  • Fits Inspiron 14, 15 and 17 models from the 3000 and 5000 series
  • Compatible with Latitude 3460, 3560 and Vostro 14, 15 notebooks

Replacement Battery for Dell Inspiron

This 40Wh lithium-ion pack replaces the M5Y1K module used in several Dell Inspiron 14, 15 and 17 models across the 3000 and 5000 series. It delivers 14.8V from four cells in a black housing and carries a 12-month warranty from the supplier. The part matches a long list of Dell part numbers including 78V9D, K185W and 451-BBUD.

For owners of listed Inspiron Latitude Vostro models

The battery fits Inspiron 14 3451, 3458, 5455, 5458, 15 3551, 3558, 5555, 5558, 17 5755, 5758 plus Latitude 3460, 3560 and Vostro 14 3458, 15 3558. Buyers with laptops not named in the compatibility list should look elsewhere. Systems needing a different voltage, cell count or connector will not work with this unit.

40Wh 14.8V 4-cell specification

Capacity is 40 watt-hours at 14.8 volts using a 4-cell lithium-ion design. This single figure determines whether the pack matches the original equipment rating for your machine. Verify the Wh and voltage printed on your old battery before ordering.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $24.99
Cheaper than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Product
Model nameM5Y1K
Product colorBlack
Product typeBattery
Power
Battery type4 Cell Lithium-Ion
Battery voltage rating14.8 V
Battery capacity40 Wh

Questions about this item

Does the M5Y1K 4-cell battery fit the Dell Inspiron 14 3458 chassis?

Yes, the M5Y1K is listed as compatible with the Dell Inspiron 14 3458 and the 3000 and 5000 series 14-inch models.

What is the correct orientation when sliding the 14.8V pack into the Inspiron 15 5558 bay?

Align the connector side first, press firmly until the latch clicks, and verify the battery sits flush with the bottom case.

When should the 40Wh lithium-ion pack be replaced?

Replace the pack when run time drops noticeably or the system reports a battery health warning after many charge cycles.

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