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Black rectangular lithium-ion laptop battery with label showing model CS03XL

KingSener

KingSener CS03XL laptop battery 46.5WH 11.4V

SKU CH-ZC1Z-PFXPM MPN CS03XL

Replacement lithium-ion battery rated 46.5 Wh at 11.4 V for select HP EliteBook and ZBook models

  • ColorBlack
  • TypeBattery
  • CompatibilityCS03XL
  • Battery TypeLithium-Ion
  • Battery Voltage11.4V
  • Battery Capacity46.5WH
  • 5 Wh capacity extends runtime for compatible HP EliteBook and ZBook models
  • 4 V lithium-ion chemistry delivers stable power for daily workloads
  • Replaces multiple HP part numbers including HSTNN-IB6Y and 800513-001 for straightforward installation
  • Brand-new condition ensures full rated capacity from first charge
  • Black finish matches original battery aesthetics on supported devices

Compatible replacement for HP EliteBook and ZBook

The KingSener CS03XL is a new lithium-ion laptop battery rated at 46.5 Wh and 11.4 V. It matches part numbers CS03XL, HSTNN-IB6Y, HSTNN-DB6U, 800513-001 and 800231-1C1. The unit suits HP EliteBook 740, 745, 755, 840 and 850 G3 and G4 models plus ZBook 15u G3 and G4 series.

Upgrades worn or failed original packs

This battery replaces the factory cell when run-time has dropped or the pack no longer holds charge. The jump is worth it when the original battery shows reduced capacity, swelling or sudden shutdowns under load. It restores the same 46.5 Wh specification without requiring a higher-capacity alternative.

Limited to listed HP part numbers and form factor

The CS03XL fits only the specific EliteBook and ZBook models named in the compatibility list. It will not work in other HP lines or third-party laptops that use different connector pin-outs or physical dimensions. Voltage and capacity are fixed at 11.4 V and 46.5 Wh, so systems expecting a different watt-hour rating cannot use this pack.

Highlights

  • 5 Wh capacity extends runtime for compatible HP EliteBook and ZBook models
  • 4 V lithium-ion chemistry delivers stable power for daily workloads
  • Replaces multiple HP part numbers including HSTNN-IB6Y and 800513-001 for straightforward installation
  • Brand-new condition ensures full rated capacity from first charge
  • Black finish matches original battery aesthetics on supported devices

Specifications

BrandHP
ModelCS03XL
ColorBlack
TypeBattery
CompatibilityCS03XL
Battery TypeLithium-Ion
Battery Voltage11.4V
Battery Capacity46.5WH

Questions about this item

Does the CS03XL fit the HP EliteBook 840 G3 and G4 series?

Yes, the CS03XL is compatible with HP EliteBook 840 G3 and G4 models, plus 745, 755, 850 G3/G4 and ZBook 15u G3/G4 series.

What is the first step when installing the CS03XL, and what do people skip?

Power off the laptop and disconnect the AC adapter before removing the old battery; many users forget to unplug the charger first.

When will the CS03XL 46.5WH 11.4V lithium-ion battery need replacement?

Lithium-ion cells degrade over time; replace the pack when runtime drops below your needs or the battery no longer holds a charge.

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