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Rectangular black laptop battery with label showing 48Wh 11.4V

PISKEKAT

PISKEKAT RR03XL 48Wh 11.4V laptop battery for HP ProBook 430 440 450 455 470 G4 G5

SKU CH-EJ88-H52KJ

48 Wh, 11.4 V replacement battery fits HP ProBook 430, 440, 450, 455 and 470 G4 or G5 models

  • Battery TypeLaptop Batteries
  • 48 Wh capacity powers HP ProBook G4 and G5 models longer
  • 4 V lithium-ion design with 3 cells fits original RR03XL slot
  • Up to 500 recharge cycles extends usable battery life
  • Grade A cells and built-in circuit protection deliver stable charging
  • Replaces multiple HP part numbers including 851477-421 and 851610-850

48Wh 11.4V replacement for ProBook G4/G5

This 48Wh 11.4V lithium-ion battery replaces the original RR03XL pack in HP ProBook 430 440 450 455 470 G4 and 440 450 470 G5 models. It uses three grade A cells and includes built-in circuit protection for stable operation. The pack is rated for up to 500 recharge cycles over its service life.

Check part number and series before ordering

Verify that your current battery carries one of the listed part numbers such as RR03XL RR03048XL HSTNN-PB6W HSTNN-LB7I HSTNN-UB7C HSTNN-Q01C HSTNN-Q02C HSTNN-Q03C HSTNN-Q04C HSTNN-Q06C or the 851477 and 851610 codes. Confirm the laptop belongs to the ProBook 430 440 450 455 470 G4 G5 or mt20 series. This pack is not for other HP lines or non-listed models.

Upgrades worn or failed original RR03XL packs

The battery restores full runtime when the original pack no longer holds charge or has reached its cycle limit. It matches the factory voltage and capacity so no BIOS update is required. The jump is worth it when the existing cell shows reduced capacity swelling or sudden shutdowns under load.

Highlights

  • 48 Wh capacity powers HP ProBook G4 and G5 models longer
  • 4 V lithium-ion design with 3 cells fits original RR03XL slot
  • Up to 500 recharge cycles extends usable battery life
  • Grade A cells and built-in circuit protection deliver stable charging
  • Replaces multiple HP part numbers including 851477-421 and 851610-850

Specifications

Battery TypeLaptop Batteries

Questions about this item

What comes in the box with the PISKEKAT RR03XL battery and do I need to buy anything else?

The package contains the 11.4V 48Wh 3-cell battery only. No tools, screws or adapters are included, so reuse the hardware from your original HP battery.

How do I choose the right version for my HP ProBook 440 G5?

Match the part number on your old battery to the list: RR03XL, RR03048XL, HSTNN-PB6W, HSTNN-LB7I, HSTNN-UB7C, HSTNN-Q01C, HSTNN-Q02C, HSTNN-Q03C, HSTNN-Q04C, HSTNN-Q06C, or the 851477 and 851610 codes.

What does the 48Wh rating mean for daily runtime on a ProBook 450 G4?

The 48 watt-hour capacity typically delivers several hours of mixed office work on a ProBook 450 G4, and the cells are rated for up to 500 recharge cycles over the battery’s life.

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