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Black rectangular 4-cell lithium-ion laptop battery with label showing 40Wh 14.8V

PISKEKAT

PISKEKAT M5Y1K 40Wh 14.8V 4-Cell laptop battery MSY1K HD4J0 P65G

SKU CH-QCMY-VRTWD

40 Wh lithium-ion replacement battery with 14.8 V output and four cells for Dell Inspiron, Latitude and Vostro laptops

  • Battery typeLaptop Batteries
  • 40 Wh capacity powers Dell Inspiron 14, 15 and 17 models
  • 8 V lithium-ion chemistry matches original M5Y1K specifications
  • Four-cell design keeps weight low while delivering reliable runtime
  • Replaces over thirty Dell part numbers including 453-BBBR and HD4J0
  • New battery ships with instruction manual for straightforward installation

40Wh 14.8V replacement battery

This new lithium-ion battery delivers 40Wh at 14.8V across four cells. It is built to replace the original Dell M5Y1K pack in compatible Inspiron, Latitude and Vostro notebooks. The black housing matches the factory colour. Condition is new.

Instruction manual included

The package supplies one battery and one printed instruction manual. No tools, screws or additional cables are bundled. The manual guides the user through safe removal and installation steps.

For Dell owners needing a direct 40Wh swap

This unit suits owners of listed Inspiron 14, 15 and 17 models, plus Latitude 3460, 3560 and Vostro 3458, 3459, 3558, 3559 machines that require the exact 40Wh M5Y1K part. Buyers whose laptop demands a higher-capacity pack or a different voltage should look elsewhere.

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

Power
Battery typeLaptop Batteries

Questions about this item

When will the 4-cell 40Wh lithium-ion pack need replacing?

The 4-cell 40Wh lithium-ion pack is a consumable component; plan to replace it when run-time no longer meets your daily needs.

What limits sustained use on battery power?

The 40Wh capacity sets the total energy available, so run-time under load is the first practical limit.

How much heat or noise does the M5Y1K battery produce during all-day operation?

The battery itself has no moving parts and generates only modest warmth during charge or discharge; fan noise comes from the laptop, not the pack.

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