Laptop battery HP TPN-DB0B 11.1V 45Wh Lithium-ion

Replacement laptop battery HP TPN-DB0B is a Lithium-ion pack with 11.1V nominal voltage and 45Wh capacity intended as a direct swap for compatible HP notebooks. It restores portable power to enable unplugged operation for work, study or travel and replaces worn or defective cells to recover original runtime and mobility.

Advantages

This HP Lithium-ion battery provides a balance between capacity and weight, offering reliable power for everyday mobile use. Designed to fit compatible HP models, it supports standard charging and power management functions of the host device and is manufactured to match the physical dimensions and connector arrangement of the original unit.

Suitable for

• Replacing an old or failing laptop battery to restore runtime
• Mobile work, study sessions, and productivity on the go
• Travel and temporary unplugged use away from mains power
• Spare battery for extended use without access to charging

Key specifications

• Chemistry: Lithium-ion
• Nominal voltage: 11.1 V
• Capacity: 45 Wh
• Form factor: slim internal laptop battery designed for specific notebook bays
• Compatibility: designed for HP notebooks that accept this battery form and connector

How to use

Power off the laptop and disconnect it from the mains before replacing the battery. Remove the back cover or battery compartment according to the notebook manufacturer’s instructions, detach the old battery connector carefully, and install the replacement HP TPN-DB0B by aligning the connector and securing any fastening screws or clips. Reassemble the device, connect the charger, and allow the battery to charge fully before first use. Observe built-in battery status indicators and operating system battery management tools to confirm correct recognition and charging.

Recommendations

Store and use the battery at room temperature when possible. Avoid exposure to high heat, moisture, or mechanical shock. If the battery shows signs of swelling, overheating, unusual odor, or failure to hold charge, stop using it and follow local regulations for safe disposal. Use the original charger or a compatible HP-approved power adapter and follow the notebook manufacturer’s safety and charging guidelines.