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Black rectangular lithium-ion laptop battery with label showing 7.6V 42Wh

DELL

DELL J0PGR 7.6V 42Wh laptop battery

SKU CH-72PF-RS64X

A 7.6V 42Wh lithium-ion replacement battery for Dell K5XWW and J0PGR series laptops

  • ColorBlack
  • TypeBattery
  • Battery TypeLithium-Ion
  • Battery Voltage7.6V
  • Battery Capacity42Wh
  • Reliable power with 7.6V 42Wh lithium-ion capacity
  • Direct replacement for DELL J0PGR K5XWW part numbers
  • Brand-new battery ready for immediate installation
  • 42Wh energy rating supports extended mobile use
  • Black lithium-ion pack built for DELL K5XWW series

Replacement Battery for Dell K5XWW J0PGR Series

This 7.6V 42Wh lithium-ion unit replaces the original J0PGR and K5XWW part numbers for compatible Dell laptops. It is a new component intended for owners whose factory battery no longer holds a useful charge. Buyers needing a different voltage, capacity or form factor for another model line should look elsewhere.

Thermals and Power Behaviour

The lithium-ion chemistry operates at the specified 7.6 volts and 42 watt-hours without active cooling requirements. Normal discharge generates minimal heat and no audible noise, matching the thermal profile of the original pack. No additional power-draw data is supplied by the manufacturer.

What the Pack Changes

Installing this battery restores the laptop’s ability to run unplugged for its designed duration. No software, drivers or extra accessories are included in the package. The swap simply returns mobile runtime to the level expected when the machine was new.

Highlights

  • Reliable power with 7.6V 42Wh lithium-ion capacity
  • Direct replacement for DELL J0PGR K5XWW part numbers
  • Brand-new battery ready for immediate installation
  • 42Wh energy rating supports extended mobile use
  • Black lithium-ion pack built for DELL K5XWW series

Specifications

ColorBlack
TypeBattery
Battery TypeLithium-Ion
Battery Voltage7.6V
Battery Capacity42Wh

Questions about this item

How do I install the J0PGR battery and what step do people often miss?

Power off the laptop and disconnect the AC adapter, remove the bottom case screws, detach the old pack's connector before lifting it out, then connect the new 7.6 V 42 Wh battery before reassembling; the step most often missed is unplugging the old connector first.

What maintenance or replacement will the J0PGR battery need later?

The lithium-ion pack will gradually lose capacity over charge cycles; when run-time drops below your needs, replace it with another 7.6 V 42 Wh unit.

What limit appears first during sustained use of the J0PGR battery?

The 42 Wh capacity sets the maximum run-time per charge; under continuous load the pack will deplete to its voltage cut-off and require recharging.

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