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BTI 42T4877 63Wh 6-cell laptop battery with connector pins and safety label
BTI 42T4877 63Wh 6-cell laptop battery with connector pins and safety label

Battery Technology BTI 42T4877 compatible 63Wh 6-cell battery for Battery

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$59.99 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-3521

MPN #: 42T4877-BTI

Product Condition: New

Running out of power mid-task is frustrating, especially when you rely on a portable device for work or study. The Battery Technology BTI 42T4877 compatible 63Wh 6-cell battery for Battery gives you a reliable, high-capacity power source that keeps your laptop running longer without hunting for an outlet. It’s a direct replacement that restores full performance and lets you stay productive wherever you are.

Usages of a 63 Wh Battery

This 63 Wh battery fits seamlessly into a typical workday, powering your Lenovo laptop through meetings, travel, and coffee breaks. Its long runtime means you can finish reports, attend video calls, and edit documents without the anxiety of a sudden shutdown.

Benefits of Battery Technology Battery
  • Extended work time: You gain several extra hours of use compared with standard batteries.
  • Consistent performance: The laptop runs at full speed, avoiding throttling when the charge drops.
  • Easy installation: It swaps in just like the original battery, no tools required.
  • Reliable safety: Built with proven lithium-ion technology to minimise overheating risk.
  • Cost-effective: Replaces a costly OEM unit while delivering the same capacity.

Battery Technology Battery

Choosing this battery means you’re not compromising on quality. It matches the original specifications, so your device retains its designed power management and battery life. The 6-cell construction provides a stable voltage of 10.8 V, ensuring your laptop receives the correct power throughout its charge cycle. With a capacity of 5800 mAh, you can trust it to handle demanding applications such as video conferencing, data analysis, and light gaming without frequent recharging.

Key Features of a 63 Wh Battery
  • Brand compatibility: Lenovo. Works perfectly with Lenovo laptops.
  • Battery colour: Black. Blends discreetly with the laptop’s design.
  • Battery capacity: 63 Wh. Offers a high energy reserve for long sessions.
  • Battery voltage: 10.8 V. Supplies the correct power level for stable operation.
  • Number of cells: 6. Provides balanced charge distribution and durability.
  • Battery technology: Lithium-Ion (Li-Ion). Ensures efficient energy storage and low self-discharge.
  • Quantity included: 1 pc(s). One battery ready to install.
  • Capacity (mAh): 5800 mAh. Gives ample charge for extended use.
  • Packaging: Single unit packaging for easy handling and storage.
  • Compatibility: Designed as a direct replacement for the original model, ensuring a perfect fit.

Specifications
Features
Brand compatibilityLenovo
Product colourBlack
Battery capacity63 Wh
Battery voltage10.8 V
Number of battery cells6
Battery
Battery capacity63 Wh
Battery technologyLithium-Ion (Li-Ion)
Packaging data
Number of batteries included1 pc(s)
Summary Details
Battery capacity5800 mAh

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