BTI IB-T61X9/14 Notebook Battery - 7800 mAh 11. 1V Li-Ion - For Lenovo IBM ThinkPad T61 - R61 - T400 - R400
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Product Features
Product Overview
The BTI IB-T61X9/14 is a high-capacity rechargeable notebook battery engineered as a direct replacement for Lenovo IBM ThinkPad T61, R61, T400, and R400 series laptops. This proprietary-size battery delivers reliable mobile power with a substantial 7800 mAh capacity and stable 11.1V DC output, supporting extended work sessions away from AC power.
Built with Lithium-Ion (Li-Ion) chemistry and featuring nine internal cells, this battery offers a practical balance of energy density and durability. It ships with an 18-month limited warranty, providing assurance for business and individual users who depend on their ThinkPad notebooks for daily productivity.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Country of Origin, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Technical Overview
This notebook battery operates with an 11.1V DC output voltage, matching the power requirements of compatible ThinkPad models to ensure stable system performance. The 7800 mAh capacity provides a measurable increase in runtime over standard or aging original batteries, reducing the frequency of recharges during mobile use.
The Lithium-Ion chemistry contributes to a favorable charge cycle life and maintains consistent voltage delivery throughout the discharge curve. The proprietary form factor is designed to fit precisely into the battery compartments of supported ThinkPad notebooks, maintaining the original laptop profile and secure attachment.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Country of Origin, 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-T61X9/14 extends notebook uptime with its high-capacity design, offering a straightforward upgrade path for ThinkPad users experiencing reduced battery life. Its compatibility with dozens of specific ThinkPad models makes it a versatile spare or replacement option for IT departments and individual users managing multiple devices.
Enhanced Runtime
The 7800 mAh capacity supports longer periods of untethered use compared to many standard notebook batteries, ideal for travel, meetings, or environments with limited power outlets.
- Reduces recharge frequency
- Supports extended mobile sessions
Precise Compatibility
Engineered to fit Lenovo IBM ThinkPad T61, R61, T400, and R400 series notebooks, this battery maintains original equipment dimensions and electrical interfaces for reliable integration.
- Direct replacement for listed models
- Preserves laptop form factor
Stable Power Delivery
11.1V DC output ensures consistent voltage to the notebook, supporting stable operation of CPU, memory, and storage components during battery-powered use.
- Minimizes voltage fluctuation
- Supports system performance
Deployment / Use Cases
Deploy this battery as a direct replacement in aging ThinkPad notebooks where the original battery no longer holds sufficient charge. It restores mobile usability for professionals, students, or field technicians who rely on these laptops for business applications, remote work, or educational tasks.
IT managers can stock the IB-T61X9/14 as a standardized spare for compatible ThinkPad fleets, simplifying support and reducing downtime when batteries fail. Individual users benefit from having a ready spare to swap during long travel days or back-to-back meetings where AC power is unavailable.
Fleet Maintenance
Provide consistent battery replacements for ThinkPad T61, R61, T400, and R400 models across an organization, maintaining productivity without requiring full device replacements.
Mobile Productivity
Extend untethered runtime for sales presentations, client site visits, conference attendance, or remote work sessions where power outlets are limited or inconvenient.
Highlights
- 7800 mAh capacity for extended notebook runtime
- 11.1V DC output ensures stable power to compatible ThinkPad models
- Lithium-Ion (Li-Ion) chemistry for reliable rechargeable performance
- Proprietary size designed to fit Lenovo IBM ThinkPad T61, R61, T400, R400 series
- Direct replacement for aging or failed original batteries
- 18-month limited warranty for added assurance
- Rechargeable design eliminates disposable battery waste
- Maintains original notebook form factor and secure fit
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | IB-T61X9/14 |
| Brand Name | BTI |
| Product Model | IB-T61X9/14 |
| Product Name | IB-T61X9/14 Notebook 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 | 7800 mAh |
| Number of Cells | 9 |
| Output Voltage | 11.1 V DC |
| Miscellaneous | |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 18 Month |
FAQ
What is the capacity of the BTI IB-T61X9/14 notebook battery?
The BTI IB-T61X9/14 has a battery capacity of 7800 mAh. This capacity indicates the amount of electrical charge the battery can store, directly influencing how long your compatible ThinkPad notebook can operate on battery power before requiring a recharge.
Which Lenovo ThinkPad models are compatible with this battery?
This battery is compatible with numerous Lenovo IBM ThinkPad models including the T61, R61, T400, and R400 series. Specific model numbers include T61-6481, R61-7755, T400-2764, R400-2789, and many others listed in the product specifications. It is designed as a direct replacement for these models.
What is the output voltage of this notebook battery?
The BTI IB-T61X9/14 provides an output voltage of 11.1 V DC. This voltage matches the power input requirement of the compatible ThinkPad notebooks, ensuring stable operation of the laptop's components when running on battery power.
What type of battery chemistry does this product use?
This battery uses Lithium Ion (Li-Ion) chemistry. Li-Ion batteries are common in modern notebooks due to their high energy density, lack of memory effect, and relatively long cycle life, making them suitable for rechargeable notebook applications.
Is this battery rechargeable?
Yes, the BTI IB-T61X9/14 is a rechargeable notebook battery. It can be recharged using the original ThinkPad AC adapter or a compatible charger, allowing repeated use without the need for disposable batteries.
What warranty comes with this notebook battery?
This battery includes an 18-month limited warranty. This warranty period provides coverage against defects in materials or workmanship, offering assurance for your purchase when used with compatible ThinkPad notebooks under normal operating conditions.
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 11.1 V DC, which helps position the unit for the right load level and installation role.
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