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Black rectangular lithium-polymer laptop battery pack with connector edge

POWER-FENG

POWER-FENG SE03XL 41.5Wh 11.55V Li-polymer battery

SKU CH-D80Z-NKHCD

A 41.5 Wh, 11.55 V lithium-polymer replacement battery compatible with numerous HP Pavilion 14 models

  • TypeBattery
  • Battery TypeLaptop Batteries
  • Li-polymer chemistry provides stable 11.55 V output
  • 5 Wh capacity supports extended mobile use
  • 3615 mAh rating delivers reliable runtime
  • Compatible with HP Pavilion 14 AL series laptops
  • Replaces original part numbers SE03XL HSTNN-LB7G HSTNN-UB6Z

Direct replacement battery

The POWER-FENG SE03XL is a 41.5Wh lithium-polymer pack rated at 11.55V and 3615mAh. It matches the original HP part numbers SE03XL, HSTNN-LB7G and HSTNN-UB6Z. The unit is supplied new in black finish. It is intended for owners of compatible HP Pavilion 14 notebooks needing a like-for-like swap.

Fits listed Pavilion 14 models

The battery fits a wide range of HP Pavilion 14-AL series laptops including models 14-AL001ng through 14-AL165TX and the 14-AL100 family. It replaces OEM references 849568-421 and 849908-850 without adapter cables. The form factor aligns with the internal bay so no chassis modification is required. Buyers with other HP series or non-listed Pavilion variants cannot use this pack.

Stable voltage under load

Lithium-polymer chemistry delivers the rated 11.55V consistently during typical office and media workloads. The 41.5Wh capacity supports several hours of unplugged use depending on system power profile. No active cooling is involved so operation stays silent. The pack draws only the current the laptop requests, adding no extra heat to the chassis.

Highlights

  • Li-polymer chemistry provides stable 11.55 V output
  • 5 Wh capacity supports extended mobile use
  • 3615 mAh rating delivers reliable runtime
  • Compatible with HP Pavilion 14 AL series laptops
  • Replaces original part numbers SE03XL HSTNN-LB7G HSTNN-UB6Z

Specifications

TypeBattery
Battery TypeLaptop Batteries

Questions about this item

What voltage and capacity does the SE03XL 11.55V battery provide for HP Pavilion 14 models?

The SE03XL delivers 11.55V and 41.5Wh capacity, which equals 3615mAh, matching the original specifications for compatible HP Pavilion 14 laptops.

Which HP Pavilion 14 chassis variants does the SE03XL battery fit, and how is it secured?

The SE03XL fits the TPN-Q171 chassis used by Pavilion 14-AL series models such as 14-AL003TU, 14-AL027TX, 14-AL100 and 14-AL165TX, and it mounts using the original screw holes and connector orientation.

What are the steps to install the SE03XL battery, and which step do people often miss?

Power off the laptop, disconnect the AC adapter, remove the bottom case screws, disconnect the old battery cable, fit the new SE03XL, reconnect its cable, replace the bottom case and screws, then charge fully before first use; the step often missed is the initial full charge cycle.

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