Product Summary: The RR03XL is a professional-grade 11.4V 48Wh Li-ion replacement battery specifically for HP ProBook 430, 440, 450, and 455 G4 series business laptops. Restore your mobile workstation with Grade-A cells and a 1-year warranty.
Product Specifications
| Battery Model: | RR03XL / HSTNN-PB6W |
| Voltage: | 11.4V |
| Capacity: | 4210mAh / 48WH |
| Battery Type: | Li-ion |
| Cell: | Grade-A High Quality |
| Condition: | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- RR03XL
- HSTNN-PB6W
- HSTNN-UB7C
- HSTNN-LB71
- 851610-855
- TPN-Q180
Compatible Laptop Models
- HP ProBook 430 G4
- HP ProBook 440 G4
- HP ProBook 450 G4
- HP ProBook 455 G4
- HP ProBook 470 G4
Expert FAQ for ProBook Support
- Q: Why choose KingSener for my HP business laptop?
- A: We use high-density cells that match original capacity standards for voltage stability and long-term durability in professional work environments, ensuring safe, stable power delivery.
- Q: Is this battery safe for all-day office use?
- A: Yes, it features integrated multi-protection for overcharge, short circuit, and temperature control to protect your workstation hardware during intensive professional tasks.