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Rectangular black lithium-ion laptop battery pack measuring 27 by 3.6 by 2 centimetres

No Sew

No Sew M5Y1K 14.8V 2200mAh 40Wh laptop battery

SKU CH-RZK3-EP779

Replaces Dell Inspiron and Vostro batteries with a 14.8 V 2200 mAh lithium-ion pack rated for 500 cycles

  • Battery typeLithium-Ion
  • Battery voltage rating4.8 V
  • Battery capacity2,200 mAh
  • Power adapter voltage14.8 V
  • Main functionLaptop
  • Product colorM5Y1K
  • Replaces Dell GXVJ3, HD4J0, K185W and M5Y1K part numbers
  • 8 V lithium-ion chemistry delivers 40 Wh capacity
  • Four cells rated for 500 recharge cycles
  • Fits Inspiron 14, 15, 17 and Vostro 14, 15 models
  • UL, CE, FCC and RoHS certified with circuit protection

Replacement battery for Dell Inspiron and Vostro

This lithium-ion pack delivers 14.8 volts and 2200 milliampere-hours for a rated 40 watt-hours of energy. It fits a range of Dell Inspiron 14, 15 and 17 models plus selected Vostro 14 and 15 units. The four-cell design is built with grade A cells and carries UL, CE, FCC and RoHS certifications.

Sustained use over typical workloads

The manufacturer rates the pack at around 1.5 to 2.5 hours of operation on a full charge. Recharge cycles are specified at 500 before capacity drops below usable levels. Built-in circuit protection guards against short circuit, overheat and overload during extended sessions.

Practical limits of the 14.8-volt interface

Voltage is fixed at 14.8 volts, so the pack only works with laptops designed for that nominal level. Capacity of 2200 milliampere-hours sets a hard ceiling on runtime regardless of power-management settings. Compatibility must be verified against the original part number or exact system model before purchase.

How it compares

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

Price $25.99
Cheaper than about 60% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameASUNCELL
Model nameM5Y1K
Part numberM5Y1K
Product colorM5Y1K
Product type2,200 mAh
Power
Battery typeLithium-Ion
Battery voltage rating4.8 V
Battery capacity2,200 mAh
Power adapter voltage14.8 V
Size & build
Product weight280 g
More details
Main functionLaptop

Questions about this item

Does the 14.8 V lithium-ion pack run hot or make noise during all-day use?

The battery has no moving parts, so it is silent; normal warmth may appear under load but the built-in protection guards against overheating.

What must my Dell already have so this 2200 mAh M5Y1K fits and works?

Your laptop must use one of the listed part numbers such as GXVJ3, HD4J0, K185W, M5Y1K, WKRJ2, VN3N0 or 451-BBMG.

Will this 4-cell 40 Wh battery work in an older Inspiron 15 3000 (3558) that currently holds a 33 Wh pack?

Yes, the 3558 is in the supported list and the 40 Wh unit fits the same bay; expect roughly 1.5–2.5 hours of run time.

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