2-power 2P-25-01021-10 - Battery

With a 48Wh energy reserve and 4400mAh capacity, this 2-Power 2P-25-01021-10 battery keeps your HP Compaq laptop running through demanding workloads. A 6-cell lithium-ion design delivers 10.8V output, matching or exceeding original HP specifications for reliable performance.

Overview

The 2-Power 2P-25-01021-10 is a premium replacement battery engineered for HP Compaq 6720s, 6730s, 6735s, 6820s, and 6830s series notebooks. It offers a direct, cost-effective alternative to OEM part numbers HSTNN-IB51, HSTNN-IB52, HSTNN-IB62, HSTNN-XB51, HSTNN-XB52, HSTNN-XB62, KS524AA, KU531AA, NBP6A93, and NBP6A93B1. Built with high-quality Li-ion cells, it provides stable voltage and long cycle life.

What stands out

• High capacity: 4400mAh / 48Wh for extended runtime
• 6-cell configuration balances weight and power
• Built-in overcharge and over-discharge protection
• Rechargeable and environmentally friendly
• External form factor for easy installation
• Compatible with multiple HP Compaq business notebooks

Technical details

• Battery technology: Lithium-Ion (Li-ion)
• Voltage: 10.8V
• Capacity: 4400mAh
• Energy: 48Wh
• Number of cells: 6
• Product type: Replacement laptop battery
• Colour: Black
• Rechargeable: Yes
• Compatible brand: HP
• Replaces OEM part numbers: HSTNN-IB51, HSTNN-IB52, HSTNN-IB62, HSTNN-XB51, HSTNN-XB52, HSTNN-XB62, KS524AA, KU531AA, NBP6A93, NBP6A93B1
• Compatible laptop models: HP Compaq 6720s, 6730s, 6735s, 6820s, 6830s series
• Battery form factor: External
• Output power: 48W
• Overcharge protection: Yes
• Over-discharge protection: Yes

Our verdict

For professionals who need dependable mobile power, this 2-Power battery is a smart investment. It restores full portability to your HP Compaq laptop at a fraction of the OEM cost, without compromising on safety or performance.