Battery 2-Power HJ8KP 7.4v 3 cell 45Wh

The 2-Power HJ8KP is a 7.4 V, 3-cell lithium-ion laptop battery with a rated energy of 45 Wh (5,880 mAh). It is designed as a direct replacement for models using the HJ8KP designation and provides a compact black battery that restores portable power to compatible laptop models. The battery is built from high-grade cells to deliver consistent charging and reliable runtime for everyday mobile use.

Advantages

This 2-Power battery offers dependable performance with a 45 Wh capacity in a lightweight 0.31 kg package. High-quality lithium cells ensure stable voltage and efficient charging cycles, while built-in protection features guard against short circuits and overheating during charging and discharging. The battery’s 7.4 V nominal voltage and 3-cell design maintain compatibility with devices that require the HJ8KP replacement.

Suitable for

• Replacing a depleted HJ8KP laptop battery
• Users who need a lightweight spare battery for travel
• Everyday laptop use requiring up to 45 Wh of capacity

Key specifications

• Model: 2-Power HJ8KP (MPN: 2P-HJ8KP)
• Rated energy: 45 Wh
• Capacity: 5,880 mAh
• Voltage: 7.4 V (3-cell)
• Weight: 0.31 kg
• Colour: Black
• Battery type: Lithium-ion / polymer cells

How to use

Power down the laptop and remove the existing battery following the manufacturer’s instructions. Insert the 2-Power HJ8KP battery into the battery compartment, ensuring proper alignment with the contacts. Charge the battery fully before first use. Use the laptop normally; the battery will charge when the device is connected to its AC adapter. If the laptop does not power on after installation, recheck the seating and contacts or consult the laptop manual.

Usage recommendations

Charge the battery using the laptop’s original charger or a compatible charger. Avoid exposing the battery to extreme temperatures and do not puncture or disassemble the pack. For long-term storage, keep the battery at around 40–60% charge and store in a cool, dry place. Replace the battery if you notice significant capacity loss or signs of swelling.