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Rectangular black laptop battery with label and connector visible

No Sew

No Sew RH03XL 45Wh 3790mAh 11.4V 3-cell laptop battery for HP ProBook G8

SKU CH-F3SE-1NWAH

A 45Wh 3-cell Li-ion replacement battery for HP ProBook G8 and Zhan 66 Pro 14 G4 models, supplied with a 2-in-1 screwdriver kit

  • ColorRH03XL
  • FeaturesRechargeable, Laptop
  • FunctionLaptop
  • 45Wh capacity keeps ProBook G8 running longer
  • 4V 3-cell Li-ion matches original voltage exactly
  • Built-in protection stops overcharge, overheating and shorts
  • CE FCC RoHS certified for safe daily use
  • Includes 2-in-1 screwdriver for quick DIY swap

Compatible replacement battery

The RH03XL is a 3-cell lithium-ion battery rated at 11.4V with a 45Wh capacity. It replaces the original power pack in HP ProBook 430, 440, 445, 450, 630, 640 and 650 G8 series laptops as well as Zhan 66 Pro 14 G4 models. The unit is brand new and carries CE, FCC and RoHS compliance marks.

Installation kit included

A 2-in-1 screwdriver toolkit ships with the battery so the back cover can be removed and refitted without sourcing extra tools. The pack slides into the existing bay and connects to the same motherboard header used by part numbers M02027-005, HSTNN-IB9Q and the other listed OEM codes. No adapter cables or firmware updates are required.

For HP business notebook owners

This battery suits owners of the listed ProBook and Zhan 66 models who need a direct replacement for a worn or failed original cell. It is not suitable for laptops outside the G8 and G4 families, for units requiring a different voltage or cell count, or for users who cannot open the chassis to verify the part number before purchase.

Highlights

  • 45Wh capacity keeps ProBook G8 running longer
  • 4V 3-cell Li-ion matches original voltage exactly
  • Built-in protection stops overcharge, overheating and shorts
  • CE FCC RoHS certified for safe daily use
  • Includes 2-in-1 screwdriver for quick DIY swap

Specifications

ModelRH03XL
Part NumberRH03XL
ColorRH03XL
FeaturesRechargeable, Laptop
FunctionLaptop

Questions about this item

How long does the 45Wh 3790mAh capacity last under continuous load before the voltage drops?

The 3-cell 11.4V pack delivers 45Wh total energy; actual runtime depends on the laptop's power draw and workload intensity.

Does the built-in protection circuit limit heat or fan noise during all-day charging?

The multi-protection circuit prevents overcharging and overheating, helping keep temperatures stable during extended use.

Which screwdriver bits are needed to open the ProBook 440 G8 bottom case for this battery?

A 2-in-1 screwdriver toolkit is included in the box for removing the case screws.

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