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Product Features
Product Overview
The BTI LN-X100E is a direct replacement laptop battery engineered for Lenovo IBM ThinkPad X100E and X120E notebook models. This battery delivers reliable mobile power with a 5200 mAh capacity and 10.8V DC output, designed to match the original equipment specifications for seamless integration.
Built with a six-cell lithium-ion (Li-Ion) configuration, this rechargeable battery uses a proprietary form factor to ensure perfect physical and electrical compatibility with the target notebook chassis. It is manufactured by Battery Technology, Inc. and carries a substantial 57-year limited warranty for long-term assurance.
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.
Technical Overview
This battery features a 5200 milliampere-hour (mAh) capacity, providing extended runtime for Lenovo IBM ThinkPad X100E and X120E notebooks under typical usage conditions. The 10.8-volt DC output ensures stable power delivery to the notebook's internal components, supporting consistent system performance.
The six-cell lithium-ion construction offers a balance of energy density and durability, while the proprietary battery size guarantees a precise fit within the notebook's battery compartment without modification.
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 LN-X100E battery provides a cost-effective and reliable power solution for aging or depleted Lenovo IBM ThinkPad X100E and X120E notebooks, restoring full mobility and reducing 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 Extended Runtime, Guaranteed Compatibility.
Extended Runtime
With a 5200 mAh capacity, this battery supports longer usage periods between charges compared to lower-capacity alternatives, keeping productivity uninterrupted.
- 5200 mAh capacity
- 10.8V DC stable output
- 6-cell Li-Ion design
Guaranteed Compatibility
Engineered to match the original battery's specifications, including proprietary dimensions and electrical interface, ensuring plug-and-play installation without compatibility issues.
- Fits Lenovo IBM ThinkPad X100E/X120E
- Matches OEM part numbers
- Proprietary form factor
Deployment / Use Cases
This battery is ideal for IT departments, educational institutions, or individual users seeking to extend the service life of Lenovo IBM ThinkPad X100E and X120E notebooks. It serves as a direct drop-in replacement for original batteries that have degraded over time or failed.
Common deployment scenarios include refurbishing older notebooks for continued use in light office tasks, student computing, or as backup devices. The battery's compatibility with multiple ThinkPad X100E and X120E model variants makes it a versatile inventory item for organizations managing fleets of these notebooks.
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.
Deployment planning benefits from clear examples of where the product fits best, how it may be installed or used, and which business scenarios it supports most naturally. This helps teams judge whether the product belongs at a fixed desk, in a shared workspace, in a meeting area, or as part of a broader managed device rollout.
Highlights
- 5200 mAh capacity for extended notebook runtime
- 10.8V DC output ensures stable power delivery to Lenovo IBM ThinkPad X100E/X120E
- Six-cell lithium-ion (Li-Ion) rechargeable battery construction
- Proprietary battery size for exact fit in compatible notebook models
- Compatible with Lenovo IBM ThinkPad X100E and X120E series notebooks
- Replaces multiple OEM part numbers including 57y4559, 42t4855, 42t4788, 42t4785
- Manufactured by Battery Technology, Inc. with part number LN-X100E
- Backed by a 57-year limited warranty for long-term reliability
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | LN-X100E |
| Brand Name | BTI |
| Product Name | Laptop Battery for Lenovo IBM Thinkpad X100E 2876B78 |
| 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 | 57y4559 42t4855 42t4788 42t4785 |
| Compatibility | LENOVO - IBM THINKPAD X100E 3508XF6 LENOVO - IBM THINKPAD X100E 3508XF7 LENOVO - IBM THINKPAD X100E 3508XF8 LENOVO - IBM THINKPAD X100E 3508XF9 LENOVO - IBM THINKPAD X120E 05962AC LENOVO - IBM THINKPAD X120E 05962BC LENOVO - IBM THINKPAD X120E 05962CC LENOVO - IBM THINKPAD X120E 05962DC LENOVO - IBM THINKPAD X120E 05962PU LENOVO - IBM THINKPAD X120E 05962RF LENOVO - IBM THINKPAD X120E 05962RL LENOVO - IBM THINKPAD X120E 05962RU LENOVO - IBM THINKPAD X120E 05962SF LENOVO - IBM THINKPAD X120E 0596A12 LENOVO - IBM THINKPAD X120E 0596A13 LENOVO - IBM THINKPAD X120E 0596A14 LENOVO - IBM THINKPAD X120E 0596A16 LENOVO - IBM THINKPAD X120E 0596RZ6 LENOVO - IBM THINKPAD X120E 0596RZ8 LENOVO - IBM THINKPAD X120E 0611 LENOVO - IBM THINKPAD X120E 061122A LENOVO - IBM THINKPAD X120E 06112BL LENOVO - IBM THINKPAD X120E 06112BU LENOVO - IBM THINKPAD X120E 06112DF LENOVO - IBM THINKPAD X120E 06112DL LENOVO - IBM THINKPAD X120E 06112DU LENOVO - IBM THINKPAD X120E 06112RG LENOVO - IBM THINKPAD X120E 06112TP LENOVO - IBM THINKPAD X120E 06112UP |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 57 Year |
FAQ
What Lenovo notebook models is the BTI LN-X100E battery compatible with?
The BTI LN-X100E battery is compatible with Lenovo IBM ThinkPad X100E and ThinkPad X120E notebook models. It directly replaces the original batteries in these devices, matching the proprietary size and electrical specifications. Specific compatible model numbers include ThinkPad X100E 3508XF6, 3508XF7, 3508XF8, 3508XF9 and ThinkPad X120E variants such as 05962AC, 05962BC, 05962CC, and many others listed in the product specifications.
What is the capacity and voltage of this laptop battery?
This battery has a capacity of 5200 milliampere-hours (mAh) and an output voltage of 10.8 volts DC. The 5200 mAh rating indicates the energy storage capability, supporting extended usage time for compatible notebooks, while the 10.8V DC output ensures the correct power level for the notebook's internal components.
Is this a rechargeable battery and what is its chemistry?
Yes, this is a rechargeable battery. It uses lithium-ion (Li-Ion) chemistry, which is standard for modern notebook batteries due to its high energy density, lack of memory effect, and reliable performance over many charge cycles. The battery is designed for repeated charging and discharging as part of normal notebook use.
How many cells does this battery have and what does that mean?
This battery has six cells. The cell count in a battery pack influences its total capacity, voltage, and physical size. A six-cell configuration like this one typically offers a good balance between runtime and form factor for standard notebook batteries, contributing to the 5200 mAh capacity and 10.8V output.
What OEM part numbers does this BTI battery replace?
The BTI LN-X100E battery replaces several original equipment manufacturer (OEM) part numbers, including 57y4559, 42t4855, 42t4788, and 42t4785. These are part numbers used by Lenovo for original batteries in ThinkPad X100E and X120E notebooks, ensuring this aftermarket battery is a direct functional equivalent.
What warranty comes with the BTI LN-X100E laptop battery?
The BTI LN-X100E laptop battery comes with a 57-year limited warranty. This extensive warranty period provides long-term assurance against manufacturing defects, reflecting confidence in the battery's build quality and durability for replacement use in compatible Lenovo IBM ThinkPad notebooks.
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.