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BTI L17L3951 45Wh 11.1V laptop battery showing connector and label
BTI L17L3951 45Wh 11.1V laptop battery showing connector and label

Battery Technology L17L3951 45Wh 11.1V Battery

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$72.99 exc. VAT Note: VAT will be charged for UK & EU Countries at checkout. For Zero VAT (for EU buyers), please provide a VAT number at checkout.

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Dispatch Time: Next Working Day Dispatch timelines are estimates and may vary due to unforeseen delays of 1-2 working days for small orders. Larger quantities may require additional processing time.

Product Code: BTEL-3840

MPN #: L17L3951-BTI

Product Condition: New

Battery life dropping mid-task can ruin your workflow and leave you stranded. The Battery Technology L17L3951 45Wh 11.1V Battery is a replacement lithium-ion pack designed for Lenovo laptops, giving you a reliable power source to keep you productive wherever you go. Its high capacity and exact voltage match ensure your device runs smoothly, extending work sessions without the anxiety of sudden shutdowns.

Battery Technology L17L3951 45Wh 11.1V Battery - the solution for lasting power

When a laptop’s original battery can no longer hold a charge, performance suffers and you may be forced to stay near a power outlet. This is especially frustrating for mobile professionals and students who need flexibility. The Battery Technology L17L3951 45Wh 11.1V Battery replaces the worn-out unit with a fresh, high-capacity pack that restores your device’s original runtime. By matching the original specifications, it eliminates compatibility issues and delivers consistent power, so you can focus on your work rather than hunting for a charger.

Usages of Battery Technology L17L3951 45Wh 11.1V Battery

Ideal for a range of everyday scenarios, this battery fits seamlessly into your routine.

  • Replacing a dead or degraded battery in compatible Lenovo laptops.
  • Extending battery life for remote work or study sessions away from sockets.
  • Providing a spare power source for travel, ensuring you stay productive on the move.
  • Supporting intensive tasks such as video editing or programming without frequent recharging.
  • Enabling use in environments with limited power access, like fieldwork or conferences.

Key Features of Battery Technology L17L3951 45Wh 11.1V Battery
  • Brand compatibility: Lenovo. Works perfectly with Lenovo models that require this specific pack.
  • Product colour: Black. Blends discreetly with the laptop’s original design.
  • Battery capacity: 45 Wh. Offers a substantial amount of energy for longer use between charges.
  • Battery voltage: 11.1 V. Provides the correct power level to keep the laptop operating safely.
  • Number of battery cells: 3. Balanced cell count ensures stable performance and longevity.
  • Battery technology: Lithium-Ion (Li-Ion). Delivers high energy density and reliable charge cycles.
  • Number of batteries included: 1 pc(s). One complete replacement ready to install.
  • Summary capacity: 4120 mAh. Indicates a strong amp-hour rating for extended runtime.

Benefits of Battery Technology L17L3951 45Wh 11.1V Battery

You gain confidence that your laptop will stay powered through meetings, lectures and long flights, reducing the need to search for outlets. The exact voltage and capacity mean the device runs as if it were brand new, preserving performance and preventing unexpected shutdowns. Its lithium-ion chemistry offers a longer overall lifespan than older battery types, saving you money on future replacements. The sleek black finish maintains the laptop’s aesthetic, while the single-piece packaging simplifies installation. Overall, this battery restores freedom and reliability to your mobile computing experience.


Specifications
Features
Brand compatibilityLenovo
Product colourBlack
Battery capacity45 Wh
Battery voltage11.1 V
Number of battery cells3
Battery
Battery capacity45 Wh
Battery technologyLithium-Ion (Li-Ion)
Packaging data
Number of batteries included1 pc(s)
Summary Details
Battery capacity4120 mAh

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