PSA 2-Power (2P-B-5490) 48Wh 11.1V Battery

Losing power in the middle of a project or a meeting is frustrating, especially when you rely on a laptop for work or study. The PSA 2-Power (2P-B-5490) 48Wh 11.1V Battery is a replacement notebook battery designed to keep your device running longer, so you can stay productive without hunting for a wall socket.

Benefits of PSA Notebook Battery

You enjoy faster charging thanks to high-grade cells, while the built-in SmartWatch Protect gives peace of mind by preventing short circuits and overheating. The reliable lithium-ion chemistry means the battery holds its charge over many cycles, reducing the need for frequent replacements. Its lightweight design adds little extra bulk, and the one-year limited warranty provides confidence in your purchase.

Key Features of a 48Wh Notebook Battery

• Battery Capacity: 4400 mAh - delivers extended run-time for demanding tasks.
• Voltage Provided: 11.1 V - matches your laptop’s power requirements for stable performance.
• Technology: Lithium ion - offers high energy density and long lifespan.
• Weight: 10.44 oz - keeps the notebook portable and easy to carry.
• Packaged Quantity: 1 - you receive a single, ready-to-install battery.
• Manufacturer Warranty: Limited warranty - 1 year - protects your investment.
• Product Type: Notebook battery - replaces the original unit with a reliable alternative.
• Device Type: Notebook battery - compatible with a wide range of laptop models.
• Service & Support: 1-year warranty - includes assistance for any issues.
• Header / Product Line: 2-Power - part of a trusted range of laptop power solutions.

Usages of a 48Wh Notebook Battery

A 48Wh notebook battery fits seamlessly into everyday routines:

• Working from coffee shops where power outlets are scarce.
• Attending long lectures or seminars without interruption.
• Traveling on trains or planes where charging options are limited.
• Using intensive software like design or data analysis tools away from a desk.
• Extending battery life during outdoor fieldwork or site visits.

Why Choose a PSA Notebook Battery

Many buyers worry about compatibility and whether a third-party battery will match the original’s performance. They also fear reduced lifespan or safety issues with cheaper alternatives. These concerns often lead to hesitation or the decision to stick with expensive OEM parts.

The PSA 2-Power notebook battery removes those doubts. It is built with cells from reputable manufacturers such as Samsung and Panasonic, ensuring the same charging speed and reliability as the original. The SmartWatch Protect system actively monitors charge cycles, guarding against overheating and short circuits, so you can trust the battery to perform safely day after day.

Specifications