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Rectangular black lithium-ion laptop battery pack

FOCUSTEC

FOCUSTEC 42WH 11.4V laptop battery for Dell Inspiron 13 15 17 5000 7000 Series Latitude 3189 3580

SKU CH-QAXV-4Z4DZ

A 42 Wh, 11.4 V lithium-ion battery compatible with Dell Inspiron 13, 14, 15 and 17 5000 and 7000 series plus Latitude 3189, 3480, 3580 and 3379 models

  • Battery TypeLithium-Ion
  • 42Wh capacity extends runtime on compatible Dell laptops
  • 4V lithium-ion chemistry matches original power requirements
  • Fits Inspiron 13 5000 7000 15 5000 7000 17 5000 Latitude 3189 3580 series
  • Replaces OEM part numbers FC92N 3CRH3 P66F P58F P32E T2JX4 C4HCW CYMGM
  • Built-in overcharge overdischarge over-temperature short-circuit protection supports up to 1000 recharge cycles

42 Wh lithium-ion replacement battery

This 42 Wh lithium-ion battery operates at 11.4 V and fits a wide range of Dell Inspiron 13, 14, 15 and 17 models from the 5000 and 7000 series. It also covers Vostro 5468, 5568 and 5471 units plus Latitude 3189, 3480, 3580 and 3379 systems. The unit replaces original part numbers such as P66F, P58F and P32E. It is not for owners of Dell models outside the listed series or part-number range.

Thermals and power draw in normal use

Built-in protection circuits guard against overcharge, overdischarge, over-temperature and short-circuit conditions during daily charging and discharging. The lithium-ion chemistry delivers consistent voltage across the cycle without the memory effect found in older chemistries. Rated for up to 1000 recharge cycles over the life of the battery. No active cooling or fan is included in the pack.

Included protections and cycle rating

The integrated safety circuits replace the need for external monitoring hardware and help prevent damage from voltage spikes or thermal events. Achieving the rated 1000 cycles depends on typical usage patterns and ambient temperature. No software utilities, calibration tools or installation accessories are bundled with the battery.

Highlights

  • 42Wh capacity extends runtime on compatible Dell laptops
  • 4V lithium-ion chemistry matches original power requirements
  • Fits Inspiron 13 5000 7000 15 5000 7000 17 5000 Latitude 3189 3580 series
  • Replaces OEM part numbers FC92N 3CRH3 P66F P58F P32E T2JX4 C4HCW CYMGM
  • Built-in overcharge overdischarge over-temperature short-circuit protection supports up to 1000 recharge cycles

Specifications

Battery TypeLithium-Ion

Questions about this item

How do I install the 42Wh 11.4V battery in my Dell Inspiron 15 5570, and what step is often missed?

Power off the laptop, disconnect the AC adapter, remove the base screws, detach the old battery connector before lifting it out, connect the new battery firmly, then reassemble; the step often missed is disconnecting the internal battery cable first.

What maintenance or replacement will the 42Wh Li-ion battery need over its lifespan?

The battery is rated for up to 1000 recharge cycles; after that capacity drops noticeably and a replacement will be required to maintain runtime.

What limit appears first during sustained heavy use of this 11.4V battery?

The over-temperature protection circuit will activate first, cutting power to prevent cell damage when internal heat exceeds the safety threshold.

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