FLYRLB RR03XL battery front view for HP ProBook shows a ready replacement
FLYRLB RR03XL label detail highlights part numbers and safety marks
FLYRLB RR03XL battery side with contacts emphasizes compatibility across ProBook series
FLYRLB RR03XL packaging presents an install-ready replacement option
FLYRLB RR03XL compatibility icons show supported HP ProBook models
FLYRLB RR03XL installation demo demonstrates a simple battery swap

FLYRLB

FLYRLB RR03XL Replacement Battery for HP ProBook 430-470 G4/G5 | 11.4V 48Wh

High-performance electronics accessories made for confident daily results

$37.22

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Why customers choose Nexoltic

Power Up Your HP ProBook with the FLYRLB RR03XL Replacement Battery

The RR03XL is a genuine replacement battery designed to fit a broad range of HP ProBook notebooks. With a nominal voltage of 11.4V and a capacity of 48Wh, this 3‑cell Li‑ion pack aims to deliver reliable power when you need it most—whether you’re on the road, in the office, or preparing for a long flight. The compact form balances run time with portability, making it a practical upgrade for compatible models.

Designed for everyday use, this battery blends compact size with meaningful run time. It’s built as a 100% new from Manufacturer part, crafted from high-quality cells and circuitry to support efficient charging and steady performance over time. The result is a balanced energy delivery that fits comfortably in compatible ProBook models, reducing the need for frequent swaps during busy days.

Compatibility and fit

  • Compatible Part Numbers: RR03XL, RR03048XL, HSTNN-PB6W, HSTNN-LB7I, HSTNN-UB7C, HSTNN-Q01C, HSTNN-Q02C, HSTNN-Q03C, HSTNN-Q04C, HSTNN-Q06C, 851477-421, 851477-541, 851477-831, 851477-832, 851610-850
  • Compatible HP ProBook models include 430 G4, 440 G4, 450 G4, 455 G4, 470 G4; also compatible with 430/440/450/455/470 G5 series and MT20 family.

Safety, reliability, and lifecycle

  • Safety features: Overcharge and overdischarge protection, over-temperature control, and short-circuit protection help reduce risk during use and charging.
  • Quality and certification: CE, FCC, and RoHS certifications support compliance and safety.
  • Lifecycle: Designed for multiple recharge cycles with dependable performance across its lifespan.

In daily use, you may notice steadier performance during workloads that shift between light tasks and higher demand, along with the reassurance of a replaceable power source designed for the ProBook series. Outcomes can vary with usage patterns, device settings, and ambient conditions, so consider this RR03XL as a practical upgrade option rather than a guaranteed outcome.

Note: The information above describes product features and intended use. For best results, follow HP’s safety and handling guidelines when replacing a laptop battery.

FAQ

Q: Is this RR03XL battery compatible with my HP ProBook?

A: It fits HP ProBook 430/440/450/455/470 G4 and G5 series, with RR03XL and related part numbers listed in the specs.

Q: What protection and lifespan can I expect?

A: The battery includes overcharge, over-discharge, over-temperature, and short-circuit protections; typical use supports up to 500 recharge cycles.

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