2-Power 2P-PA5109U-1BRS - Battery

For HP ProBook 430 G1, 430 G2, 440 G1, 440 G2, 450 G1, 450 G2, 470 G1, and 470 G2 notebooks, the 2-Power 2P-PA5109U-1BRS battery restores dependable mobile power with a 48Wh energy reserve. Unlike generic replacements that often skimp on protection circuitry, this 6-cell pack integrates overcharge, over-discharge, overcurrent, and short-circuit safeguards, so your laptop runs safely through long workdays.

Highlights

• Direct replacement for HP part numbers HSTNN-IB4L, HSTNN-LB4L, HSTNN-UB4L, HSTNN-DB4L, HSTNN-YB4L, and PA5109U-1BRS
• Lithium-Ion chemistry delivers 10.8V and 4400mAh capacity (48Wh) for consistent performance
• 6-cell design balances weight and runtime, ideal for mobile professionals
• Built-in multi-layer protection: overcharge, over-discharge, overcurrent, and short circuit
• CE and RoHS certified for safety and environmental compliance

In daily use

Slide this battery into your ProBook and you’ll notice the difference immediately: no more hunting for power outlets in meeting rooms or airport lounges. The 48Wh capacity typically provides several hours of productivity, and because it’s a fresh Li-Ion pack, it holds a charge far better than an aging original. The black housing matches your laptop’s underside, and the secure latch mechanism ensures a firm fit every time.

Full specifications

• Brand: 2-Power
• Model: 2P-PA5109U-1BRS
• Product type: Replacement laptop battery
• Battery technology: Lithium-Ion (Li-Ion)
• Voltage: 10.8 V
• Capacity: 4400 mAh
• Energy: 48 Wh
• Number of cells: 6
• Colour: Black
• Compatible series: HP ProBook 430 G1, 430 G2, 440 G1, 440 G2, 450 G1, 450 G2, 470 G1, 470 G2
• Replaces part numbers: HSTNN-IB4L, HSTNN-LB4L, HSTNN-UB4L, HSTNN-DB4L, HSTNN-YB4L, PA5109U-1BRS
• Rechargeable: Yes
• Protection: Overcharge, over-discharge, overcurrent, short circuit
• Certification: CE, RoHS

Final note

When your ProBook’s original battery no longer holds a charge, this 2-Power unit is a cost-effective way to regain true portability—without compromising on safety or compatibility.