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Rectangular black lithium-ion laptop battery with label showing model RR03XL 11.4V 48Wh

PISKEKAT

PISKEKAT RR03XL 11.4V 48Wh laptop battery

SKU CH-0E31-0F5X2 MPN RR03XL

11.4 V 48 Wh Li-ion replacement battery for HP ProBook 430 440 450 455 470 G4 and G5 models

  • TypeOther
  • 4 V output matches original specification for consistent power
  • 48 Wh capacity supports extended mobile work sessions
  • Grade A cells reduce leakage risk and stabilise output
  • Built-in circuit protection guards against overcharge and short circuits
  • Replaces multiple OEM part numbers including HSTNN-PB6W and 851477-421

Compatible ProBook Models

The PISKEKAT RR03XL is a replacement lithium-ion battery for HP ProBook 430, 440, 450, 455 and 470 G4 and G5 series notebooks. It matches part numbers including HSTNN-PB6W, HSTNN-LB7I and 851477-421. Buyers with other laptop families or newer ProBook generations cannot use this pack.

Installation Notes

The battery slots into the internal compartment using the original latch mechanism, so no tools beyond a small screwdriver are typically required. Because the pack is model-specific, forcing it into a chassis with a different connector layout will damage the pins. Always disconnect the AC adapter and hold the power button for a few seconds before starting the swap.

Capacity And Runtime

Rated at 11.4V and 48Wh, the cell delivers the same energy budget as the factory unit for typical office workloads. Light document work and web browsing are well within its envelope, while sustained heavy loads such as video rendering or large compiles will drain it more quickly. The built-in protection circuit guards against over-charge and deep-discharge to preserve long-term health.

Highlights

  • 4 V output matches original specification for consistent power
  • 48 Wh capacity supports extended mobile work sessions
  • Grade A cells reduce leakage risk and stabilise output
  • Built-in circuit protection guards against overcharge and short circuits
  • Replaces multiple OEM part numbers including HSTNN-PB6W and 851477-421

Specifications

TypeOther

Questions about this item

How do I confirm the RR03XL battery is working correctly after installation?

The system should detect the 11.4V 48Wh pack and charge normally without error messages.

What is included with the RR03XL battery and what must I purchase separately?

Only the replacement Li-ion battery is supplied; no tools, screws or AC adapter are included.

Which RR03XL variant matches my HP ProBook 450 G5?

The listed RR03XL replaces part numbers 851477-421, 851477-541 and 851610-850 for that model.

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