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Rectangular black lithium-ion laptop battery with label showing 14.8V 40WH

FOCUSTEC

FOCUSTEC XCMRD 14.8V 40WH laptop battery

SKU CH-QP0B-W3J1S

A 14.8 V 40 Wh lithium-ion replacement battery for Dell Inspiron and Latitude laptops

  • Battery TypeLithium-Ion
  • New 40 Wh lithium-ion cell restores full runtime
  • 8 V output matches original Dell specifications
  • Direct replacement for over 40 Dell part numbers
  • Fits Inspiron 15 3000, 15R, 17R, 14R and Latitude 3440/3540 models
  • Brand-new condition ensures reliable performance from day one

FOCUSTEC XCMRD 14.8V 40WH replacement battery

The FOCUSTEC XCMRD is a 14.8V 40WH lithium-ion replacement battery built for Dell Inspiron 15 3000 Series and Latitude 3440 3540 models. It fits a wide range of 14 15 and 17 inch Inspiron laptops including 3521 3537 3542 3543 5521 5537 3721 3737 5721 5737 3421 3442 3443 and 5421. It also supports Vostro 2421 2521 systems.

Replaces over thirty Dell part numbers

The battery replaces Dell part numbers such as 4WY7C FW1MN 0MF69 24DRM 49VTP 4DMNG 6HY59 68DTP 6KP1N 6XH00 6K73M 8RT13 8TT5W 9K1VP DJ9W6 G35K4 G019Y N121Y MR90Y MK1R0 T1G4M VR7HM PVJ7J V1YJ7 V8VNT YGMTN X29KD XRDW2 W6XNM 312-1390 312-1387 312-1433 312-1392 451-12107 451-12108. This cross-reference lets installers match the original part without guessing. No cables or tools are included in the package.

Voltage and capacity determine fit

The single specification that decides compatibility is the 14.8V 40WH rating. A battery with a different voltage or watt-hour value will not work in the listed Dell models. Buyers who need a higher capacity pack or a different voltage for another laptop series cannot use this unit.

Highlights

  • New 40 Wh lithium-ion cell restores full runtime
  • 8 V output matches original Dell specifications
  • Direct replacement for over 40 Dell part numbers
  • Fits Inspiron 15 3000, 15R, 17R, 14R and Latitude 3440/3540 models
  • Brand-new condition ensures reliable performance from day one

Specifications

Battery TypeLithium-Ion

Questions about this item

How long until the XCMRD lithium-ion cells need replacing?

Lithium-ion cells degrade with each charge cycle; plan on a new battery when run time falls below your needs.

What limits runtime during a full day of work?

The 40 Wh capacity at 14.8 V sets the energy ceiling for continuous use.

Does the pack get hot or noisy when the laptop runs all day?

The battery is a passive component with no fan; it warms under load but produces no noise.

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