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Rectangular black lithium-ion laptop battery for HP 830 G8

E-buy

E-buy CX03XL 11.55V 53Wh laptop battery for HP 830 G8

SKU CH-9XW9-BJ0BR

11.55V 53Wh lithium-ion replacement battery compatible with HP 830 G8 series

  • Battery TypeLithium-Ion
  • Reliable power for HP 830 G8 with 11.55V 53Wh capacity
  • Extended runtime from 4400mAh lithium-ion cell
  • Direct replacement for CX03XL and HSTNN-LB8R part numbers
  • Ready to install with exact-fit design for 830 G8 series
  • Consistent performance backed by 6-month warranty period

Replacement Battery for HP 830 G8

This E-buy CX03XL lithium-ion unit replaces part numbers CX03XL, CX03053XL, L77624-421 and L78551-005. It is built for the HP 830 G8 series and ships as a single black battery in new condition.

Thermals and Power Draw

The 11.55 V, 53 Wh cell delivers 4400 mAh capacity using standard lithium-ion chemistry. Normal operation stays within the thermal envelope defined by the original HP design, with no additional cooling requirements beyond the laptop chassis.

Connectors and Daily Use

The battery mates directly with the HP 830 G8 internal connector, requiring no adapters or cable routing. A six-month warranty covers the replacement unit, and the black finish matches the original aesthetic for a clean fit.

Highlights

  • Reliable power for HP 830 G8 with 11.55V 53Wh capacity
  • Extended runtime from 4400mAh lithium-ion cell
  • Direct replacement for CX03XL and HSTNN-LB8R part numbers
  • Ready to install with exact-fit design for 830 G8 series
  • Consistent performance backed by 6-month warranty period

Specifications

Battery TypeLithium-Ion

Questions about this item

How do I install the CX03XL battery in my HP 830 G8 and what step is often missed?

Power off the laptop, remove the bottom case screws, disconnect the old battery cable before lifting it out, then connect the new CX03XL cable firmly before reassembling; the step often missed is disconnecting the old battery first.

What maintenance or replacement will the CX03XL 53Wh Li-ion battery need later?

The 53Wh lithium-ion pack will gradually lose capacity over charge cycles; plan to replace it once runtime drops below your needs, typically after several hundred full cycles.

What limit appears first during sustained use of this 11.55V 4400mAh battery?

Under continuous load the 53Wh capacity depletes first, giving finite runtime before the voltage drops and the laptop shuts down or throttles.

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