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Rectangular black lithium-ion laptop battery pack with four cells and label showing 14.8V 41Wh

DELL

DELL 14.8V 41Wh 4-Cell Battery for Inspiron 15 3542 3543 3541 3521 3537 3531 15R 5521 5537

SKU CH-TH0W-15F9P

Replacement lithium-ion battery delivers 14.8V and 41Wh across four cells for compatible Dell Inspiron 15 models

  • CompatibilityCompatible with Dell Inspiron 15 3542 3543 3541 3521 3537 35
  • Battery TypeLithium-Ion
  • Delivers 41Wh capacity for extended unplugged use
  • 8V lithium-ion chemistry matches original Dell specifications
  • Four premium cells ensure stable voltage under load
  • Fits Inspiron 15 models 3521, 3531, 3537, 3541, 3542, 3543, 5521, 5537 and 15R
  • CE and RoHS certified for safety and environmental compliance

Replacement Battery for Inspiron 15

This 14.8 V lithium-ion pack delivers 41 Wh across four cells and is built to fit a long list of Dell Inspiron 15 models including the 3521, 3531, 3537, 3541, 3542, 3543, 5521, 5537 and 15R series. It targets owners of those notebooks who need a direct swap for a worn or failed original battery.

Fit and Daily Handling

The brick-shaped pack slides into the standard battery bay and locks with the existing latch, so no tools or adapter cables are required. CE and RoHS markings confirm compliance with European safety and environmental rules, and the supplier backs the unit with a one-year replacement warranty against material or workmanship defects.

Capacity and Chemistry Limits

At 41 Wh the pack provides a finite energy reserve; runtime will shrink as the cells age and as the laptop draws heavier loads. Lithium-ion chemistry also means capacity fades over repeated charge cycles, so buyers expecting multi-year longevity without degradation should plan for another replacement down the line.

Highlights

  • Delivers 41Wh capacity for extended unplugged use
  • 8V lithium-ion chemistry matches original Dell specifications
  • Four premium cells ensure stable voltage under load
  • Fits Inspiron 15 models 3521, 3531, 3537, 3541, 3542, 3543, 5521, 5537 and 15R
  • CE and RoHS certified for safety and environmental compliance

Specifications

CompatibilityCompatible with Dell Inspiron 15 3542 3543 3541 3521 3537 3531 15R 5521 5537
Battery TypeLithium-Ion

Questions about this item

Does the 14.8V rating match the original battery spec for the Inspiron 15 3542?

Yes, the battery is rated at 14.8V to match the original Dell specification for the Inspiron 15 3542 and other listed models.

What physical details must match the original battery for the 4-cell pack to fit correctly?

Two different batteries exist for these models; compare the connector position, shape and screw-hole layout with the product photos before ordering.

What is the correct installation sequence for the 41Wh lithium-ion pack in an Inspiron 15 3537?

Power off the laptop, disconnect the AC adapter, remove the bottom case screws, unplug the old battery cable first, then fit the new pack and reconnect the cable before reassembly.

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