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BTI LN-T440PX6 Notebook Battery - 5200 mAh 10. 8V DC Lithium-Ion - For Lenovo ThinkPad T440P L440 L540

SKU: LN-T440PX6
UPC: 886734853835
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MSRP: $150.37
$150.37
$145.99
Save: $4.38 (2.91%)
Warranty Information: 18 Month
Condition: New
Width: 1.23 (cm)
Height: 1.23 (cm)
Depth: 1.23 (cm)

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Product Features

Description

Product Overview

The BTI LN-T440PX6 is a high-capacity notebook battery engineered as a direct replacement for compatible Lenovo ThinkPad models. This rechargeable Lithium-Ion battery delivers reliable power with a 5200 mAh capacity and 10.8V DC output, ensuring your notebook remains operational when you need it most.

Designed with a proprietary form factor, this battery integrates seamlessly into supported ThinkPad chassis. It maintains the environmental standards expected in modern IT components and comes with an 18-month limited warranty for added peace of mind in business deployments.

This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatibility, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

In practical terms, this overview should help a buyer understand what the product is, the type of environment it suits, and the core reasons it may be chosen over a more generic alternative. That context is especially useful for business purchasing, where fit, consistency, and ease of use usually matter as much as individual specifications.

Battery Specifications
Capacity5200 mAh
Output Voltage10.8 V DC
ChemistryLithium Ion (Li-Ion)
Compatibility & Warranty
CompatibilityLenovo Thinkpad Notebooks: T440P L440 L540
Limited Warranty18 Month
Country of OriginChina

Technical Overview

This battery utilizes Lithium-Ion (Li-Ion) chemistry, which provides stable energy delivery through controlled electrochemical reactions. The 5200 mAh capacity offers substantial runtime, while the 10.8V DC output matches the voltage requirements of targeted Lenovo notebooks.

The battery is explicitly engineered for Lenovo ThinkPad T440P, L440, and L540 models. Its proprietary size ensures proper physical fit and electrical connection without modification. The rechargeable design supports repeated charge cycles typical in daily business use.

This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatibility, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.

A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.

Battery Capacity5200 mAh
Output Voltage10.8 V DC
Warranty Period18 Months
Lithium-IonRechargeableProprietary Size

Key Product Advantages

The BTI LN-T440PX6 provides a dependable power solution that keeps compatible Lenovo ThinkPads ready for use. Its design prioritizes compatibility and longevity, making it a practical choice for IT managers and individual users seeking reliable battery replacements.

Enhanced Runtime

With a 5200 mAh capacity, this battery extends usable time between charges, supporting productivity during meetings, travel, or extended work sessions.

  • Substantial capacity for extended use
  • Maintains device readiness

Guaranteed Compatibility

Engineered specifically for Lenovo ThinkPad T440P, L440, and L540 models, ensuring correct fit, voltage regulation, and communication with the notebook's power management system.

  • Precise physical and electrical match
  • No adapter or modification needed

Deployment / Use Cases

This battery serves as a direct replacement for aging or failed original batteries in supported Lenovo ThinkPad notebooks. It is ideal for business environments where maintaining device uptime is critical, such as corporate offices, educational institutions, and field service operations.

Deploy the BTI LN-T440PX6 to refresh the battery life of existing ThinkPad T440P, L440, or L540 units, extending their serviceable lifespan. It is also suitable for spare or backup battery strategies, ensuring users have a reliable power source during travel or extended workdays away from outlets.

Business Notebook Refresh

Replace worn batteries in deployed ThinkPad fleets to restore original runtime and reliability without replacing entire devices.

Field & Travel Readiness

Provide a dependable power source for mobile professionals who rely on their notebooks outside traditional office settings.

[custom-highlights]

Highlights

  • 5200 mAh capacity for extended notebook runtime
  • 10.8V DC output matches Lenovo ThinkPad requirements
  • Lithium-Ion (Li-Ion) rechargeable battery chemistry
  • Compatible with Lenovo ThinkPad T440P, L440, L540 models
  • Proprietary size ensures proper fit and connection
  • 18-month limited warranty for reliability assurance
  • Environmentally friendly design
  • Rechargeable for repeated use cycles
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerBattery Technology, Inc
Manufacturer Part NumberLN-T440PX6
Brand NameBTI
Product NameNotebook Battery
Product TypeBattery
Battery Information
Application/UsageNotebook
Battery RechargeableYes
Battery SizeProprietary Battery Size
Battery ChemistryLithium Ion (Li-Ion)
Battery Capacity5200 mAh
Output Voltage10.8 V DC
Miscellaneous
CompatibilityLenovo Thinkpad Notebooks: T440P L440 L540
Country of OriginChina
Environmentally FriendlyYes
Warranty
Limited Warranty18 Month
[/custom-specifications][custom-faq]

FAQ

What Lenovo ThinkPad models is this battery compatible with?

This BTI LN-T440PX6 battery is specifically compatible with Lenovo ThinkPad T440P, L440, and L540 notebook models. It uses a proprietary size and electrical interface designed for these devices, ensuring correct physical fit and voltage delivery without requiring adapters or modifications.

What is the capacity and voltage of this notebook battery?

The battery has a capacity of 5200 milliamp-hours (mAh) and an output voltage of 10.8 volts DC. This combination provides substantial runtime while matching the power requirements of compatible Lenovo ThinkPad notebooks for reliable operation.

What type of battery chemistry does this product use?

It uses Lithium-Ion (Li-Ion) chemistry, which is common in modern rechargeable notebook batteries. Li-Ion offers a good balance of energy density, weight, and charge cycle life, delivering power through controlled electrochemical reactions for stable performance.

Is this battery rechargeable?

Yes, this is a rechargeable battery designed for repeated charge and discharge cycles typical in daily notebook use. It integrates with the notebook's internal charging circuitry to restore power when connected to AC power, supporting ongoing use over time.

What warranty comes with this BTI notebook battery?

The battery includes an 18-month limited warranty from the manufacturer. This warranty covers defects in materials and workmanship, providing assurance for business and individual users deploying it as a replacement or spare power source.

How does the proprietary battery size affect installation?

The proprietary size means the battery is shaped specifically to fit the battery compartment of compatible Lenovo ThinkPad models. This ensures secure physical mounting and proper electrical contact with the notebook's power connectors, avoiding loose fits or connection issues.

What power capacity is listed for this UPS?

Power specifications help show where the unit fits best, including the type of load level, electrical environment, and backup role it is intended to support. These are usually the most decision-critical facts in a UPS or power-protection comparison.

What voltage details are listed?

The listed power specification is 10.8 V DC, which helps position the unit for the right load level and installation role.

[/custom-faq]
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BTI LN-T440PX6 Notebook Battery - 5200 mAh 10. 8V DC Lithium-Ion - For Lenovo ThinkPad T440P L440 L540
MSRP: $150.37
$150.37
$145.99
Save: $4.38 (2.91%)
Out of stock