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Rectangular black lithium-ion laptop battery pack with label showing 11.1V 44Wh

PISKEKAT

PISKEKAT 2NJNF laptop battery 11.1V 44Wh Dell Inspiron 14z-5423 15z-5523

SKU CH-ED97-7DNAP

Replacement Li-ion battery (11.1V, 44Wh) for Dell Inspiron 14z-5423 and 15z-5523 Ultrabooks, certified with overcharge and short-circuit protection

  • Battery TypeLaptop Batteries
  • Replaces original Dell batteries using part numbers 2NJNF 8JVDG T41M0 TPMCF
  • Fits Dell Inspiron 14z-5423 and 15z-5523 Ultrabook models directly
  • Delivers 11.1V 44Wh Li-ion capacity for reliable mobile power
  • Built-in overcharge overdischarge over-temperature and short-circuit protection safeguards the system
  • Rated for up to 500 recharge cycles and certified to CE FCC RoHS standards

Replacement battery for Dell Inspiron 14z and 15z

This PISKEKAT 2NJNF battery is a new lithium-ion unit rated at 11.1V and 44Wh. It matches the original Dell part numbers 2NJNF, 8JVDG, T41M0 and TPMCF. The pack is built with quality cells and circuit protection against overcharge, overdischarge, over-temperature and short-circuit. It is certified to CE, FCC and RoHS standards.

Suits owners of Inspiron 14z-5423

The battery fits the 14-inch and 15-inch models listed above. It will not work with other Dell series or non-Dell laptops. Buyers who need a higher capacity pack or a different voltage should look elsewhere. The design targets direct replacement of the factory battery only.

Simple swap with built-in safety circuits

Installation follows the normal Ultrabook battery removal procedure: power off, open the case, disconnect the old pack and connect the new one. No soldering or firmware steps are required. The most common issue is forgetting to seat the connector fully, which prevents charging. The protection circuits guard against typical handling mistakes.

Highlights

  • Replaces original Dell batteries using part numbers 2NJNF 8JVDG T41M0 TPMCF
  • Fits Dell Inspiron 14z-5423 and 15z-5523 Ultrabook models directly
  • Delivers 11.1V 44Wh Li-ion capacity for reliable mobile power
  • Built-in overcharge overdischarge over-temperature and short-circuit protection safeguards the system
  • Rated for up to 500 recharge cycles and certified to CE FCC RoHS standards

Specifications

Battery TypeLaptop Batteries

Questions about this item

Which Dell models accept the 11.1 V 44 Wh battery with part number 2NJNF?

It fits the Inspiron 14z-5423 and 15z-5523 Ultrabooks and replaces Dell part numbers 2NJNF, 8JVDG, T41M0 and TPMCF.

Will the battery charge correctly using my existing Dell AC adapter?

Yes, the pack meets OEM voltage and protection specs, so the original Dell charger will charge it normally.

How can I confirm the battery is healthy after the first few charge cycles?

Expect up to 500 full cycles over its life; normal capacity retention and stable charging without overheating indicate it is working as designed.

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