BTI FJ-T4220 Notebook Battery - 5200 mAh 10. 8V DC Li-Ion - Proprietary Size for Fujitsu Lifebook T4210/T4215/T4220
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Product Features
Product Overview
The BTI FJ-T4220 is a high-capacity notebook battery engineered as a direct replacement for Fujitsu Lifebook T4210, T4215, and T4220 models. This rechargeable lithium-ion battery delivers 5200 mAh of capacity at 10.8V DC, providing reliable power to keep your mobile workstation operational throughout the day.
Designed with a proprietary form factor, it seamlessly integrates into the notebook's battery compartment without modification. The battery supports environmentally conscious disposal practices through WEEE compliance and comes with a one-year limited warranty for added peace of mind.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatible to OEM Part Number, 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 chemistry, which offers stable energy delivery and efficient recharging cycles. The 5200 mAh capacity translates to extended runtime per charge, while the 10.8V DC output ensures compatibility with the notebook's power requirements.
Internally, the battery consists of six cells arranged to optimize energy density and thermal management. The proprietary size specification guarantees a precise fit, eliminating compatibility issues with the notebook chassis.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatible to OEM Part Number, 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-T4220 notebook battery combines high energy density with reliable performance, making it an ideal upgrade or replacement for aging power sources.
Extended Runtime
With 5200 mAh capacity, this battery provides longer usage between charges compared to standard or lower-capacity alternatives.
- Optimized for Fujitsu Lifebook models
- Maintains consistent voltage output
Seamless Compatibility
The proprietary size ensures a perfect fit for T4210, T4215, and T4220 notebooks, matching the original OEM part FPCBP155.
- No modification required
- Direct drop-in replacement
Environmental Responsibility
Manufactured with WEEE compliance, supporting proper recycling and disposal practices to minimize environmental impact.
- Li-Ion chemistry reduces waste
- Backed by 1-year warranty
Deployment / Use Cases
This battery is specifically designed for Fujitsu Lifebook T4210, T4215, and T4220 notebooks, making it suitable for business professionals, field technicians, and mobile users who rely on consistent laptop performance.
Ideal for replacing worn-out or failing original batteries, it restores full mobility and eliminates the need for constant AC power connection. The rechargeable design supports daily use in office, remote, or travel environments where power outlets may be limited.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatible to OEM Part Number, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Business Mobility
Enables extended work sessions during meetings, conferences, or client visits without interruption.
Field Service & IT Support
Provides reliable power for diagnostics, repairs, or onsite deployments where AC power is unavailable.
Highlights
- 5200 mAh lithium-ion battery for extended notebook runtime
- 10.8V DC output compatible with Fujitsu Lifebook power systems
- Proprietary size designed for T4210, T4215, and T4220 models
- Rechargeable design supports hundreds of charge cycles
- Direct replacement for OEM part FPCBP155
- Six-cell configuration optimizes energy density and safety
- WEEE environmental compliance for responsible disposal
- Backed by a 1-year limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | FJ-T4220 |
| Brand Name | BTI |
| Product Name | 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 | 5200 mAh |
| Number of Cells | 6 |
| Output Voltage | 10.8 V DC |
| Miscellaneous | |
| Compatible to OEM Part Number | FPCBP155 |
| Compatibility | Fujitsu Lifebook Notebooks: T4210 T4215 T4220 |
| Environmentally Friendly | Yes |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What notebook models is the BTI FJ-T4220 battery compatible with?
This battery is specifically designed for Fujitsu Lifebook T4210, T4215, and T4220 notebooks. It serves as a direct replacement for the original OEM part number FPCBP155, ensuring perfect fit and electrical compatibility without any modifications.
What is the capacity and voltage of this notebook battery?
The BTI FJ-T4220 delivers 5200 mAh (milliampere-hours) of capacity at 10.8 volts DC. This combination provides sufficient energy to power compatible Fujitsu Lifebook notebooks for extended periods between charges, supporting typical business and mobile computing tasks.
Is this battery rechargeable and what chemistry does it use?
Yes, this is a rechargeable battery utilizing lithium-ion (Li-Ion) chemistry. Li-Ion batteries offer high energy density, stable performance over multiple charge cycles, and minimal memory effect, making them ideal for frequent daily use in mobile computing environments.
How does the proprietary battery size affect installation?
The proprietary size is engineered to match the exact dimensions and connector placement of the original Fujitsu Lifebook battery compartment. This ensures a secure, drop-in installation that requires no tools or modifications, maintaining the notebook's structural integrity and safety features.
What warranty coverage does this battery include?
The BTI FJ-T4220 comes with a 1-year limited warranty that covers defects in materials and workmanship. This warranty provides assurance of quality and reliability for business and professional users who depend on consistent battery performance.
Is this battery environmentally compliant?
Yes, this battery complies with the Waste Electrical and Electronic Equipment Directive (WEEE), which governs the proper disposal and recycling of electronic components. This compliance supports environmentally responsible practices at the end of the battery's lifecycle.
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.
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