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5B11M90003 57Wh laptop battery showing the connector port and BTI brand label
5B11M90003 57Wh laptop battery showing the connector port and BTI brand label

Battery Technology 5B11M90003 57Wh 11.52V 3-cell Battery

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Product Code: BTEL-3511

MPN #: 5B11M90003-BTI

Product Condition: New

Battery Technology 5B11M90003 57Wh 11.52V 3-cell Battery offers a reliable power boost when your Lenovo laptop starts to run low, preventing unexpected shutdowns during work or study. This 57 Wh lithium-ion pack replaces the original cell, giving you longer sessions on the go and peace of mind that your device will stay alive when you need it most.

Battery Technology 5B11M90003 57Wh 11.52V 3-cell Battery - the solution to short-lasting laptop power

Running out of charge at a critical moment can disrupt deadlines, meetings and entertainment. A weak battery not only limits productivity but also forces you to stay tethered to a wall outlet. The Battery Technology 5B11M90003 57Wh 11.52V 3-cell Battery restores full runtime, letting you work, stream or travel without constantly hunting for a power source. Its compatibility with Lenovo models ensures a perfect fit and seamless performance, so you can rely on consistent power whenever you need it.

Usages of Battery Technology 5B11M90003 57Wh 11.52V 3-cell Battery

Ideal for extending the life of your portable computer in a variety of settings:

  • Working from home or a coffee shop where outlets are scarce.
  • Attending lectures or seminars that run longer than the built-in battery allows.
  • Traveling on trains or planes without access to charging facilities.
  • Using power-intensive applications such as video editing or CAD software.
  • Gaming or streaming media away from a desk.

Key Features of Battery Technology 5B11M90003 57Wh 11.52V 3-cell Battery
  • Brand compatibility: Lenovo. Designed specifically for Lenovo laptops, guaranteeing a proper fit.
  • Product colour: Black. A neutral colour that matches the original battery aesthetic.
  • Battery capacity: 57 Wh. Provides ample energy for extended use compared with standard packs.
  • Battery voltage: 11.52 V. Supplies the correct power level required by compatible devices.
  • Number of battery cells: 3. Three cells work together to deliver stable and reliable output.
  • Battery technology: Lithium-Ion (Li-Ion). Offers high energy density and a long service life.
  • Compliance certificates: CE, UKCA. Meets European safety standards for peace of mind.
  • Number of batteries included: 1 pc(s). One replacement unit ready to install.
  • Battery capacity (mAh): 4950 mAh. High milliamp-hour rating translates to longer operating periods.

Benefits of Battery Technology 5B11M90003 57Wh 11.52V 3-cell Battery

You gain the freedom to move around without being chained to a socket, thanks to the high 57 Wh capacity that keeps your laptop running for hours. The lithium-ion chemistry ensures the battery holds its charge well over time, reducing the need for frequent replacements. Safety certifications mean the pack complies with strict EU regulations, giving you confidence in its reliability. Its exact match to Lenovo models means installation is straightforward and performance remains consistent with the original design. Overall, this battery extends productivity, supports mobility and protects your investment in a trusted laptop.


Specifications
Features
Brand compatibilityLenovo
Product colourBlack
Battery capacity57 Wh
Battery voltage11.52 V
Number of battery cells3
Battery
Battery capacity57 Wh
Battery technologyLithium-Ion (Li-Ion)
Certificates
Compliance certificatesCE, UKCA
Packaging data
Number of batteries included1 pc(s)
Summary Details
Battery capacity4950 mAh

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