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BTI IB-R40L Rechargeable Notebook Battery - Lithium Ion - Li-Ion - 14. 4V DC - 4400 mAh - Compatible with IBM ThinkPad R40 Series

SKU: IB-R40L
UPC: 745473111050
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$193.99
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 IB-R40L is a rechargeable lithium-ion notebook battery engineered as a direct replacement for IBM ThinkPad R40 Series laptops. This battery delivers reliable 14.4V DC power with a 4400 mAh capacity, supporting extended mobile computing sessions.

Designed with a proprietary form factor, it ensures a precise fit within the laptop chassis, maintaining the original equipment's portability and ergonomics. The battery is backed by an 18-month limited warranty, providing assurance for business and personal 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.

Battery Specifications
Battery ChemistryLithium Ion (Li-Ion)
Output Voltage14.4 V DC
Battery Capacity4400 mAh
Compatibility & Warranty
CompatibilityIBM: ThinkPad R40 Series
Limited Warranty18 Month

Technical Overview

This battery utilizes advanced lithium-ion chemistry, which offers a high energy density in a compact package. The 14.4V DC output voltage matches the power requirements of compatible ThinkPad R40 systems, ensuring stable operation.

With a rated capacity of 4400 mAh, it provides substantial runtime per charge cycle. The rechargeable design allows for hundreds of charge cycles, making it a cost-effective alternative to disposable batteries.

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.

Output Voltage14.4 V DC
Battery Capacity4400 mAh
Warranty Period18 Months
Lithium IonRechargeableProprietary Size

Key Product Advantages

The BTI IB-R40L combines performance, durability, and compatibility in a single power solution. Its lithium-ion construction ensures efficient energy delivery and long service life.

These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Optimized Compatibility, Cost-Effective Operation.

Optimized Compatibility

Engineered specifically for IBM ThinkPad R40 Series laptops, this battery integrates seamlessly without modification or adapter requirements.

  • Precise physical fit
  • Correct voltage and connector

Cost-Effective Operation

The rechargeable design eliminates the need for frequent battery replacements, reducing long-term ownership costs and environmental impact.

  • Hundreds of charge cycles
  • Lower total cost of ownership

Deployment / Use Cases

This battery is ideal for users of IBM ThinkPad R40 laptops who require a reliable replacement battery to restore or extend mobile computing capability. It suits business professionals, students, and IT departments managing legacy hardware.

Common deployment scenarios include office environments, educational institutions, and field operations where access to AC power may be intermittent. The battery supports productivity by enabling uninterrupted laptop use during meetings, travel, or remote work.

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.

[custom-highlights]

Highlights

  • Rechargeable lithium-ion battery with 14.4V DC output
  • 4400 mAh capacity for extended notebook runtime
  • Compatible with IBM ThinkPad R40 Series laptops
  • Proprietary battery size ensures exact fit
  • Backed by an 18-month limited warranty
  • Cost-effective replacement with multiple charge cycles
  • Maintains portability with compact, lightweight design
  • Direct replacement requiring no adapters or modifications
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerBattery Technology, Inc
Manufacturer Part NumberIB-R40L
Brand NameBTI
Product NameRechargeable Notebook Battery
Product TypeBattery
Battery Information
Application/UsageNotebook
Battery RechargeableYes
Battery SizeProprietary Battery Size
Battery ChemistryLithium Ion (Li-Ion)
Battery Capacity4400 mAh
Output Voltage14.4 V DC
Miscellaneous
CompatibilityIBM: ThinkPad R40 Series
Warranty
Limited Warranty18 Month
[/custom-specifications][custom-faq]

FAQ

What laptops is the BTI IB-R40L battery compatible with?

The BTI IB-R40L is specifically designed for IBM ThinkPad R40 Series laptops. It matches the original battery's voltage, connector, and physical dimensions, ensuring seamless integration without the need for adapters or modifications.

What is the output voltage and capacity of this battery?

This battery delivers 14.4 volts DC with a capacity of 4400 milliampere-hours (mAh). The voltage aligns with the power requirements of compatible ThinkPad R40 systems, while the capacity supports extended usage between charges.

Is the BTI IB-R40L battery rechargeable?

Yes, this is a rechargeable lithium-ion battery. It can be charged hundreds of times, providing a cost-effective and environmentally friendly power solution compared to disposable batteries.

What warranty coverage does this battery include?

The BTI IB-R40L comes with an 18-month limited warranty. This coverage protects against defects in materials and workmanship, offering peace of mind for business and personal use.

How does the battery size ensure proper fit in my laptop?

The battery uses a proprietary size designed to match the exact dimensions and connector placement of the original IBM ThinkPad R40 battery. This guarantees a secure fit within the laptop chassis without compromising portability.

Why choose a lithium-ion battery for my notebook?

Lithium-ion batteries offer high energy density, meaning they store more power in a compact, lightweight package. They also have low self-discharge rates and no memory effect, making them reliable for frequent charging cycles in portable devices like laptops.

[/custom-faq]
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BTI IB-R40L Rechargeable Notebook Battery - Lithium Ion - Li-Ion - 14. 4V DC - 4400 mAh - Compatible with IBM ThinkPad R40 Series
$193.99
Out of stock