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Rectangular black laptop battery with label showing model A31N1519

PISKEKAT

PISKEKAT A31N1519 Laptop Battery 3ICR19/66 11.1V 2200mAh 24Wh 3-Cell

SKU CH-1JE4-9VTG4

Replacement 11.1 V 2200 mAh 24 Wh 3-cell lithium-ion battery for compatible ASUS X540, X540S, X540L, X540LA, X540LA-SI302, X540SA, X540SC, X540LJ, X540YA, R540L, R540SA, R540L series laptops

  • Battery typeLaptop Batteries
  • Li-ion chemistry gives stable 11.1 V output
  • 2200 mAh capacity provides 24 Wh of runtime
  • Three-cell design fits original chassis dimensions
  • Replaces part numbers A31N1519 and 3ICR19/66
  • Tested for 500 recharge cycles with CE FCC RoHS certification

Direct replacement for ASUS X540 and R540 series

This 3-cell lithium-ion battery replaces part numbers A31N1519 and 3ICR19/66 in compatible ASUS X540 and R540 laptops. It restores mobile power for users whose original pack no longer holds a useful charge. The unit is supplied new and matches the form factor of the factory battery.

11.1 V nominal voltage with low self-discharge

The pack delivers 11.1 V at 2200 mAh for a 24 Wh energy rating. Circuit protection regulates current and voltage during operation. Low self-discharge keeps the charge stable when the notebook is stored. The cells are rated for about 500 recharge cycles over their service life.

CE FCC RoHS certified with 12-month exchange

Safety certifications confirm compliance with CE, FCC and RoHS standards. A twelve-month free exchange period covers early failures. The battery slots into the existing bay without adapters or cable changes. Verify the part number on your current pack before fitting.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $28.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

Power
Battery typeLaptop Batteries

Questions about this item

How do I install the A31N1519 battery in my ASUS X540 and what step do people often miss?

Power off the laptop, unplug the charger, remove the bottom case screws, disconnect the old battery cable before lifting it out, connect the new 3ICR19/66 pack, then reassemble.

What maintenance or replacement will this 2200mAh Li-ion pack need later?

Expect about 500 recharge cycles over its life; after that capacity drops and the 11.1V 24Wh unit should be replaced.

What limit appears first during sustained use of this 3-cell battery?

The 2200mAh capacity and 500-cycle rating mean runtime shortens noticeably before the voltage regulation or thermal protection activates.

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