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Rectangular black 4-cell lithium-ion laptop battery

DELL

DELL XCMRD 14.8V 41Wh 4-Cell Battery for Inspiron 17 3721 3737 5721 5737 5749

SKU CH-5C09-HYDZ8

A 14.8 V lithium-ion 4-cell battery with 41 Wh capacity for Dell Inspiron 17 models 3721, 3737, 5721, 5737 and 5749

  • CompatibilityCompatible with Dell Inspiron 17 3721 3737 5749 17R 5737 572
  • Battery TypeLithium-Ion
  • Compatible with Inspiron 17 models 3721 3737 5721 5737 5749
  • Lithium-ion chemistry delivers stable 14.8V output for reliable operation
  • 41Wh capacity across four premium cells extends usable runtime
  • CE and RoHS certified for safety and environmental compliance
  • One-year replacement warranty covers defects in materials and workmanship

Compatible Dell Inspiron 17 models

This 14.8V lithium-ion battery fits Dell Inspiron 17 3721, 3737, 5721, 5737 and 5749 models. It replaces the original XCMRD pack with a 41Wh four-cell design. Buyers must compare their existing battery against the product photos because two different packs exist for these laptops and they are not interchangeable.

Thermals noise and power draw

Lithium-ion chemistry delivers steady voltage with minimal heat during typical office tasks and media playback. The four-cell layout keeps the pack light and cool enough for lap use without audible fan activity from the laptop. No moving parts mean silent operation while the battery supplies power.

Sustained load behaviour

Under continuous workloads such as video rendering or large file transfers the 41Wh capacity provides a consistent discharge curve. The CE and RoHS certified cells maintain stable output until the low-voltage threshold triggers the laptop's power management. The one-year replacement warranty covers defects in materials and workmanship.

Highlights

  • Compatible with Inspiron 17 models 3721 3737 5721 5737 5749
  • Lithium-ion chemistry delivers stable 14.8V output for reliable operation
  • 41Wh capacity across four premium cells extends usable runtime
  • CE and RoHS certified for safety and environmental compliance
  • One-year replacement warranty covers defects in materials and workmanship

Specifications

CompatibilityCompatible with Dell Inspiron 17 3721 3737 5749 17R 5737 5721 N3721 N3737 N5721 N5737
Battery TypeLithium-Ion

Questions about this item

How do I install the 14.8V 41Wh 4-cell battery in my Inspiron 17, and what step is often missed?

Power off the laptop, disconnect the AC adapter, slide the release latch, swap the old pack for the new XCMRD unit, then press until the latch clicks; the step people miss is fully charging it before first use.

What maintenance or replacement will this lithium-ion 41Wh pack need later?

Lithium-ion cells lose capacity over time; after several hundred charge cycles run-time drops and the only fix is swapping in a fresh 14.8V 4-cell battery.

What limit appears first during sustained use of this 14.8V 41Wh battery?

The 41 watt-hour capacity sets the maximum run-time per charge; under heavy load the pack empties faster and must be recharged before continuing.

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