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Rectangular black laptop battery with label showing model numbers and 33Wh rating

PISKEKAT

PISKEKAT 33Wh laptop battery A31N1319 A41N1308 for Asus X451 X551 D550 series

SKU CH-4WX1-3PJP6

A 33Wh replacement battery compatible with Asus X451, X551 and D550 series laptops, rated for over 500 charge cycles

  • Battery TypeLaptop Batteries
  • Long-lasting power with 33Wh capacity
  • Safety assured by UL testing passed
  • Extended lifespan over 500 charge cycles
  • Fast charging reduces wait time
  • Compatible with Asus X451 X551 D550 series

Compatible Asus models

This 33Wh replacement battery fits Asus X451, X551 and D550 series laptops, including the X451CA, X551C, X551M, X551MA and D550MA variants. It matches part numbers A31N1319, A41N1308 and 0B110-00250100 for a direct swap. Owners of other Asus ranges or different voltage requirements cannot use this pack.

UL tested 14.8 V pack

The battery has passed UL safety testing and operates at 14.8 V, delivering stable power without excess heat during normal office or media use. Internal protection circuits manage charge current to keep temperatures low and fan noise unchanged. No power‑draw figures are supplied for load or idle states.

500 plus charge cycles

Rated for more than 500 recharge cycles, the cell chemistry supports long‑term daily use before capacity drops noticeably. Fast‑charging capability reduces the time needed to reach a usable level. No software utilities or extra accessories are included in the package.

Highlights

  • Long-lasting power with 33Wh capacity
  • Safety assured by UL testing passed
  • Extended lifespan over 500 charge cycles
  • Fast charging reduces wait time
  • Compatible with Asus X451 X551 D550 series

Specifications

Battery TypeLaptop Batteries

Questions about this item

How do I install the PISKEKAT 33Wh A31N1319 battery in my Asus X551 series laptop and which step is commonly missed?

Power off the laptop, unplug the AC adapter, remove the bottom case screws, disconnect the old battery cable from the motherboard before lifting it out, connect the new 14.8 V pack securely, then reassemble; the step most often missed is disconnecting the battery cable first.

When will the A41N1308 compatible battery need replacement based on its rated cycle life?

The pack is rated for more than 500 charge cycles; once capacity drops below useful levels after that many full cycles, a replacement will be needed.

What is the first limitation you hit when running the 33Wh 14.8 V battery under sustained load?

The 33 Wh capacity is the limiting factor; under continuous high drain the runtime will be exhausted before any thermal or cycle limit is reached.

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