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Rectangular black lithium-polymer laptop battery with two screwdrivers

2-Power JC04 CS03XL laptop battery 11.4V 48Wh 4-cell

SKU CH-2K91-A5Y3N

Replacement lithium-polymer battery delivers 11.4 volts and 48 watt-hours across four cells for compatible HP EliteBook and ZBook models

  • CompatibilityCS03XL 800513-001 Battery for HP EliteBook 840 G3,HP EliteBo
  • Battery TypeLithium Polymer
  • Battery Voltage20V
  • AC Adapter Voltage20V
  • AC Adapter Output Power100W
  • Featureslithium_polymer, Rechargeable, 11.4 volts, 48 watt_hours, CS
  • Lithium-polymer chemistry delivers stable 11.4 V output
  • 48 Wh capacity powers compatible HP laptops through long sessions
  • Four-cell design balances runtime with slim form factor
  • CE FCC ROHS UL certified for safety and compliance
  • Supports up to 1000 recharge cycles for extended service life

What this battery is and who it fits

The 2-Power JC04 is a new 4-cell lithium-polymer replacement rated at 11.4 V and 48 Wh. It matches the original CS03XL form factor and ships with two screwdrivers for installation. The pack is certified to CE, FCC, ROHS and UL standards and the manufacturer quotes up to 1000 recharge cycles. It is intended for owners of compatible HP EliteBook and ZBook mobile workstations.

Check compatibility before ordering

Verify that your laptop appears in the supported model list, which covers EliteBook 745 G3, 745 G4, 755 G3, 755 G4, 840 G3, 840 G4, 850 G3, 850 G4 and ZBook 15u G3, 15u G4. Cross-reference the original part number against CS03, CS03XL, CS03046XL, 3ICP6/65/79, 800231-141, 800513-001, 800231-1C1, T7B32AA, HSTNN-I33C-4, HSTNN-I41C-4, HSTNN-I33C-5, HSTNN-I41C-5, HSTNN-IB6Y or HSTNN-UB6S. This battery will not fit devices outside those series or part numbers.

Behaviour under sustained load

The lithium-polymer chemistry delivers stable voltage across the discharge curve, so capacity remains consistent during long work sessions. Rated cycle life of 1000 charges means the pack retains usable runtime after extended daily use. No active cooling is required and the cell construction meets the listed safety certifications for continuous operation.

Highlights

  • Lithium-polymer chemistry delivers stable 11.4 V output
  • 48 Wh capacity powers compatible HP laptops through long sessions
  • Four-cell design balances runtime with slim form factor
  • CE FCC ROHS UL certified for safety and compliance
  • Supports up to 1000 recharge cycles for extended service life

Specifications

Brand2-Power
ModelJC04
Part NumberJC04
CompatibilityCS03XL 800513-001 Battery for HP EliteBook 840 G3,HP EliteBook 840 G4,HP EliteBook 850 G3,HP EliteBook 850 G4,HP Elitebook 745 G3,HP EliteBook 745 G4,HP EliteBook 755 G3,HP EliteBook 755 G4,HP ZBook 15u G3,HP ZBook 15u G3,HP ZBook 15u G4 Series Laptop Battery
Battery TypeLithium Polymer
Battery Voltage20V
AC Adapter Voltage20V
AC Adapter Output Power100W
Featureslithium_polymer, Rechargeable, 11.4 volts, 48 watt_hours, CS03XL 800513-001 Battery for HP EliteBook 840 G3,HP EliteBook 840 G4,HP EliteBook 850 G3,HP EliteBook 850 G4,HP Elitebook 745 G3,HP EliteBook 745 G4,HP EliteBook 755 G3,HP EliteBook 755 G4,HP ZBook 15u G3,HP ZBook 15u G3,HP ZBook 15u G4 Series Laptop Battery, Laptop
Dimension14.33in W x 12.83in H x 9.06in D
Weight10 ounces

Questions about this item

Does the box include any tools for fitting the battery?

The package contains the CS03XL battery, two screwdrivers and a user manual.

Is this the only capacity available for the listed EliteBook and ZBook models?

This JC04 model is rated at 11.4 volts and 48 watt-hours with 4 cells; no other capacity is offered under this part number.

How long can the 48Wh battery run a typical EliteBook 840 G3 workload?

Rated at 48 watt-hours, it delivers roughly the same runtime as the original HP CS03XL battery in compatible EliteBook and ZBook models.

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