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Black rectangular laptop battery with connector pins visible

PISKEKAT

PISKEKAT AA-PBRN4ZU laptop battery 15.4V 66.9Wh 4350mAh 4-cell

SKU CH-EYQ4-H59C8 MPN AA-PBRN4ZU

A 15.4V 66.9Wh 4-cell lithium-ion replacement battery compatible with Samsung Galaxy Book Flex 930 and 950 series laptops, rated for over 1000 recharge cycles

  • Battery typeLaptop Batteries
  • 9Wh capacity powers Samsung Galaxy Book Flex 930 and 950 series
  • 4V 4350mAh 4-cell Li-ion design matches original AA-PBRN4ZU specification
  • Up to 1000+ recharge cycles for extended battery lifespan
  • Includes 1 battery, instructions and 5 installation tools for straightforward fitting
  • CE and UL certified for safety and reliable operation

Battery for Galaxy Book Flex

The PISKEKAT AA-PBRN4ZU is a 15.4V lithium-ion battery rated at 66.9Wh and 4350mAh across four cells. It replaces the original Samsung AA-PBRN4ZU part and fits Galaxy Book Flex 930 and 950 series notebooks.

Thermal noise and power profile

Lithium-ion chemistry produces no audible noise and negligible heat during normal charge and discharge cycles. The 66.9Wh capacity supports typical mobile workloads without increasing system power draw beyond the laptop's original design envelope.

Included tools and documentation

The package supplies one battery, one instruction sheet and a set of five matching installation tools for case opening and connector handling. Sponge or bubble wrap protects the cell during transit, and the unit carries CE and UL safety certifications.

How it compares

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

Price $63.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLaptop Batteries

Questions about this item

How do I install the AA-PBRN4ZU battery in my Samsung Galaxy Book Flex, and which step do people often miss?

Power off the laptop, remove the bottom screws, disconnect the old battery connector, fit the new 4-cell 15.4V unit, reconnect the cable, then replace screws. The step often missed is disconnecting the old battery connector before removal.

What maintenance or replacement will the AA-PBRN4ZU battery need over its life?

The Li-ion pack is rated for up to 1000+ recharge cycles. After that capacity drops noticeably, so plan to replace the battery once runtime no longer meets your needs.

What limit appears first on the AA-PBRN4ZU during sustained heavy use?

The 66.9Wh capacity sets the runtime ceiling; under continuous load the battery will deplete to empty before any thermal or cycle limit is reached.

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