BTI FJ-E59 Lithium Ion Notebook Battery - 14. 8V DC - 4400 mAh - Replacement for Fujitsu LifeBook E Series
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Product Features
Product Overview
The BTI FJ-E59 Lithium Ion Notebook Battery is a direct replacement power source designed for select Fujitsu LifeBook E series notebooks. Engineered to match the original battery's specifications, this unit delivers reliable 14.8V DC output with a 4400 mAh capacity to support extended mobile computing sessions.
As a rechargeable Li-Ion battery, it offers a practical and eco-friendly alternative to disposable options, reducing waste and providing long-term value. Its proprietary size ensures a precise fit within the notebook chassis, maintaining the device's original form factor and ergonomics.
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.
Technical Overview
This battery utilizes advanced Lithium Ion (Li-Ion) chemistry, which provides stable power delivery and efficient energy density. The 14.8V DC output voltage is specifically calibrated to meet the power requirements of compatible Fujitsu notebooks, ensuring safe and consistent operation.
With a 4400 mAh capacity, the battery supports extended runtime between charges, making it suitable for professionals, students, and mobile users who rely on their notebooks throughout the day.
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 FJ-E59 battery combines performance, compatibility, and environmental responsibility. Its Li-Ion construction not only delivers reliable power but also charges faster than many alternative chemistries, minimizing downtime.
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 Enhanced Runtime, Eco-Friendly Design.
Enhanced Runtime
The 4400 mAh capacity provides extended usage time, reducing the frequency of recharges and supporting productivity during long work sessions or travel.
- 4400 mAh capacity
- Extended mobile computing
Eco-Friendly Design
As a rechargeable battery, it significantly reduces environmental impact compared to disposable options, aligning with sustainable IT practices.
- Rechargeable Li-Ion
- Reduces electronic waste
Deployment / Use Cases
This battery is ideal for users of compatible Fujitsu LifeBook E series notebooks who require a reliable replacement power source. It serves as a direct drop-in solution for aging or depleted original batteries, restoring full mobility and functionality.
Common deployment scenarios include business professionals needing uninterrupted power during meetings or travel, educational users relying on notebooks for classes and study sessions, and IT departments maintaining legacy Fujitsu devices in operational condition.
Business Mobility
Provides dependable power for Fujitsu LifeBook E series notebooks used in field work, client meetings, or remote offices, ensuring critical tasks are not interrupted by battery failure.
Legacy Device Support
Enables continued use of older Fujitsu LifeBook E2010, E4010, E4010D, E7010, and E7110 models by replacing worn-out batteries, extending the lifecycle of existing hardware investments.
Highlights
- 14.8V DC output voltage for safe and stable notebook power
- 4400 mAh Lithium Ion (Li-Ion) capacity for extended runtime
- Compatible with Fujitsu LifeBook E2010, E4010, E4010D, E7010, E7110 notebooks
- Rechargeable design reduces environmental impact vs. disposable batteries
- Proprietary battery size ensures precise fit and easy installation
- Faster charging compared to many alternative battery chemistries
- 18-month limited warranty for added reliability assurance
- Direct replacement for original Fujitsu notebook batteries
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | FJ-E59 |
| Brand Name | BTI |
| Product Name | Lithium Ion 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 | 4400 mAh |
| Output Voltage | 14.8 V DC |
| Miscellaneous | |
| Compatibility | Fujitsu Notebook Series: LifeBook E2010 LifeBook E4010 LifeBook E4010D LifeBook E7010 LifeBook E7110 |
| Warranty | |
| Limited Warranty | 18 Month |
FAQ
What Fujitsu notebook models is the BTI FJ-E59 battery compatible with?
The BTI FJ-E59 battery is compatible with Fujitsu LifeBook E series notebooks, specifically the E2010, E4010, E4010D, E7010, and E7110 models. It is designed as a direct replacement for the original batteries in these devices, ensuring proper fit and electrical compatibility.
What is the output voltage and capacity of this notebook battery?
This battery provides an output voltage of 14.8V DC and has a capacity of 4400 mAh. The 14.8V DC matches the power requirements of compatible Fujitsu notebooks, while the 4400 mAh capacity supports extended usage time between charges for mobile computing.
Is the BTI FJ-E59 battery rechargeable, and what chemistry does it use?
Yes, the BTI FJ-E59 is a rechargeable battery that uses Lithium Ion (Li-Ion) chemistry. Li-Ion batteries are known for their high energy density, stable performance, and faster charging times compared to some other battery types, making them well-suited for notebook applications.
What warranty coverage does this battery include?
The BTI FJ-E59 battery comes with an 18-month limited warranty. This warranty provides coverage against defects in materials and workmanship, offering peace of mind and reliability for users who depend on this replacement battery for their Fujitsu notebooks.
How does the proprietary battery size affect installation?
The proprietary battery size is designed to match the exact dimensions and form factor of the original Fujitsu LifeBook E series batteries. This ensures a precise fit within the notebook chassis, making installation straightforward without modifications or compatibility issues.
Why choose a rechargeable Li-Ion battery over disposable options?
Rechargeable Li-Ion batteries like the BTI FJ-E59 are more environmentally friendly, as they reduce waste compared to disposable batteries. They also offer long-term cost savings, reliable performance, and faster charging, making them a practical choice for sustained notebook use.
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 14.8 V DC, which helps position the unit for the right load level and installation role.
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