Battery HP Li-Ion 2800mAh 756746-001

The HP Li-Ion 2800mAh 756746-001 battery is a rechargeable Lithium‑Ion power unit designed to replace or upgrade the original battery in compatible HP laptops. With a nominal capacity of 2800 mAh and a compact black housing, this battery provides sustained runtime for mobile use and is shaped to fit the specified HP notebook models. It is intended for users who need a reliable internal battery that matches the original form factor and electrical requirements of their devices.

Advantages

This Lithium‑Ion battery offers a balance of energy density and lifecycle suited to everyday laptop use. The 2800 mAh capacity extends operating time compared with lower capacity cells, while the OEM-compatible physical design ensures proper seating and electrical connection in supported HP systems. The black finish matches the device aesthetics and the chemistry provides stable voltage output and efficient charge cycles when used with the manufacturer’s recommended charging system.

Suitable for (tasks / use cases)

• Replacing a worn or failed battery in supported HP ProBook and Compaq laptops
• Extending battery runtime for mobile office work and travel
• Maintaining device uptime during presentations and meetings
• Use as a spare battery for field or remote work where mains access is limited

Key specifications

• Battery technology: Lithium‑Ion (Li‑Ion)
• Battery capacity: 2800 mAh
• Colour: Black
• Compatible with: ProBook 440 G2, Compaq 241 G1

How to use

Power down the laptop and disconnect any external power sources before removing the existing battery. Follow the laptop manufacturer’s instructions for battery removal and installation to avoid damage to connectors or internal components. Insert the replacement battery into the compartment until it clicks into place, then reconnect AC power and allow the battery to charge fully before first use. Monitor battery status through the operating system’s power management tools to verify proper installation and charging behavior.

Recommendations

Store and operate the battery within manufacturer-recommended temperature ranges and avoid exposure to extreme heat or moisture. Use only the laptop’s original or certified charger and avoid deep discharges whenever possible to prolong battery life. If the battery shows signs of swelling, overheating, or reduced capacity, discontinue use and replace it following safe disposal guidelines for Lithium‑Ion batteries.