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Black rectangular lithium-polymer laptop battery with label showing 51Wh 11.55V 4420mAh

POWER-FENG

POWER-FENG 51Wh TA03XL Li-polymer battery for HP EliteBook 745 755 840 848 850 G4

SKU CH-WPZ6-KMSZM

51 Wh, 11.55 V Li-polymer replacement for HP EliteBook 745 755 840 848 850 G4 and ZBook 14u G4

  • TypeBattery
  • Battery TypeLaptop Batteries
  • 51 Wh capacity supports long work sessions
  • 55 V output matches original EliteBook power requirements
  • Li-polymer chemistry keeps the pack slim and light
  • Replaces TA03XL, HSTNN-DB7O and HSTNN-IB7L part numbers
  • Fits EliteBook 745, 755, 840, 848, 850 G4 and ZBook 14u G4

Replacement battery for HP EliteBook and ZBook G4

The POWER-FENG TA03XL is a new lithium-polymer battery designed to replace the original power cell in HP EliteBook 745 755 840 848 850 G4 and ZBook 14u G4 laptops. It restores mobile operation for professionals who rely on these specific notebook models.

Capacity and voltage match for correct fit

This unit delivers a capacity of 51Wh at 4420mAh with a voltage of 11.55V matching the electrical requirements of the listed part numbers including HSTNN-DB7O and HSTNN-IB7L. Using a battery with different specifications can prevent the laptop from charging or reporting capacity accurately.

Low heat output during standard office workloads

Lithium-polymer chemistry runs cool during typical business tasks such as document editing and web browsing producing minimal warmth and zero audible noise. Power draw follows the laptop's own management profile so the system regulates consumption without extra strain on the charging circuit.

Highlights

  • 51 Wh capacity supports long work sessions
  • 55 V output matches original EliteBook power requirements
  • Li-polymer chemistry keeps the pack slim and light
  • Replaces TA03XL, HSTNN-DB7O and HSTNN-IB7L part numbers
  • Fits EliteBook 745, 755, 840, 848, 850 G4 and ZBook 14u G4

Specifications

TypeBattery
Battery TypeLaptop Batteries

Questions about this item

How long will the 51Wh capacity last in an EliteBook 840 G4?

The 51Wh rating delivers roughly the same runtime as the original factory battery in the EliteBook 840 G4 under typical mixed workloads.

What does the 11.55V voltage mean for compatibility with my EliteBook 755 G4?

11.55V matches the original specification, so the battery communicates correctly with the EliteBook 755 G4 charging circuit and fuel gauge.

Will this pack fit the internal bay of a ZBook 14u G4 without modification?

Yes, the TA03XL form factor is designed to seat directly in the ZBook 14u G4 battery compartment using the existing latch mechanism.

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