BTI IB-R40E ThinkPad R40e Series Replacement Laptop Battery - Lithium Ion - Li-Ion - 4400 mAh - 11. 1V DC
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Product Features
Product Overview
The BTI IB-R40E is a direct replacement laptop battery designed for IBM ThinkPad R40e Series notebooks. This Lithium Ion (Li-Ion) battery provides reliable power backup with a 4400 mAh capacity and 11.1V DC output voltage, ensuring compatibility and performance matching the original equipment specifications.
Engineered by Battery Technology, Inc., this battery features a proprietary size that offers a precise fit for the ThinkPad R40e chassis. The rechargeable design allows for convenient reuse, eliminating the need for frequent battery replacements and supporting extended mobile computing sessions.
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.
Technical Overview
This battery utilizes advanced Lithium Ion (Li-Ion) chemistry, which delivers stable voltage output and efficient energy density. The 4400 mAh capacity provides substantial runtime for typical notebook usage, while the 11.1V DC output ensures safe and consistent power delivery to the connected device.
The battery is specifically configured for notebook applications, with rechargeable functionality that supports multiple charge cycles. Its proprietary battery size is optimized for the ThinkPad R40e Series, maintaining the original form factor and installation requirements.
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.
Key Product Advantages
The BTI IB-R40E offers several practical benefits for ThinkPad R40e users seeking reliable power backup solutions.
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, Efficient Rechargeable Design, Extended Usability.
Optimized Compatibility
Designed exclusively for IBM ThinkPad R40e Series notebooks, this battery ensures seamless integration and reliable performance without compatibility concerns.
Efficient Rechargeable Design
Lithium Ion chemistry supports faster charging times compared to older battery technologies, reducing downtime and enhancing productivity.
Extended Usability
The rechargeable functionality allows repeated use, saving time and costs associated with purchasing disposable batteries or frequent replacements.
Deployment / Use Cases
This replacement battery is ideal for extending the operational life of IBM ThinkPad R40e Series notebooks in various environments. It serves as a direct power source replacement for aging or depleted original batteries, restoring full mobile capability to these business-class laptops.
Common deployment scenarios include office settings, educational institutions, and field operations where reliable notebook power is essential. The battery supports typical computing tasks such as document processing, web browsing, and light multimedia applications, providing dependable backup power during meetings, travel, or remote work sessions.
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.
Highlights
- Compatible with IBM ThinkPad R40e Series notebooks
- Lithium Ion (Li-Ion) battery chemistry for efficient performance
- 4400 mAh capacity for extended runtime
- 11.1V DC output voltage for safe power delivery
- Rechargeable design supports multiple use cycles
- Proprietary battery size ensures precise fit
- 18-month limited warranty for added reliability
- Manufactured by Battery Technology, Inc. (BTI)
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | IB-R40E |
| Brand Name | BTI |
| Product Name | ThinkPad R40e Series Laptop battery |
| Product Type | Battery |
| Battery Information | |
| Application/Usage | Notebook |
| Battery Rechargeable | Yes |
| Battery Size | Proprietary Battery Size |
| Battery Chemistry | Lithium Ion (Li-Ion) |
| Battery Capacity | 4400 mAh |
| Output Voltage | 11.1 V DC |
| Miscellaneous | |
| Compatibility | IBM ThinkPad R40e Series Notebooks |
| Warranty | |
| Limited Warranty | 18 Month |
FAQ
What notebook models is the BTI IB-R40E battery compatible with?
The BTI IB-R40E is specifically designed for IBM ThinkPad R40e Series notebooks. It is not compatible with other ThinkPad models or different notebook brands. The proprietary battery size and electrical specifications are optimized for the R40e Series chassis and power requirements.
What is the battery capacity and how does it affect runtime?
This battery has a 4400 mAh (milliampere-hour) capacity, which determines how much charge it can store. Higher capacity generally translates to longer runtime between charges for your ThinkPad R40e, depending on your usage patterns and power settings. The 4400 mAh rating provides substantial power for typical business computing tasks.
What type of battery chemistry does this product use?
The BTI IB-R40E utilizes Lithium Ion (Li-Ion) chemistry. This technology offers advantages such as higher energy density, lower self-discharge rates, and no memory effect compared to older battery types. Li-Ion batteries typically support faster charging and provide stable voltage output throughout the discharge cycle.
What is the output voltage of this replacement battery?
The battery delivers 11.1 volts DC (direct current) output. This voltage matches the original equipment specifications for ThinkPad R40e Series notebooks, ensuring safe and compatible power delivery to the laptop's internal components without risking damage from voltage mismatches.
Is this battery rechargeable and how many cycles can it support?
Yes, this is a rechargeable battery designed for multiple charge and discharge cycles. While the exact cycle count depends on usage patterns and charging practices, Lithium Ion batteries typically support hundreds of cycles before significant capacity degradation. The rechargeable functionality eliminates the need for disposable batteries.
What warranty coverage does the BTI IB-R40E battery include?
This product comes with an 18-month limited warranty from the manufacturer, Battery Technology, Inc. This warranty covers defects in materials and workmanship under normal use conditions. Always retain your purchase documentation for warranty claims and follow proper charging and storage practices to maintain battery health.
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