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Product Features
Technical Overview
This AC adapter features a Slim Tip connector that securely interfaces with designated ThinkPad models, providing stable power transfer. The 135W maximum output power accommodates high-demand computing scenarios, from multimedia editing to data processing.
Built to meet stringent energy efficiency standards, it includes ENERGY STAR 2.0 and China Energy Conservation Program (CECP) certifications, ensuring reduced power consumption and environmental impact. The adapter operates within a wide input range, offering flexibility across different regions.
Relevant factors for this section include Device Supported, Input Voltage, Frequency, Maximum Output Power. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
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
This adapter combines robust power delivery with practical design elements that benefit mobile professionals and IT deployments.
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 High-Efficiency Power Supply, Compact and Portable.
High-Efficiency Power Supply
Delivers 135W of consistent power while adhering to energy-saving certifications, reducing operational costs and supporting sustainability initiatives.
- ENERGY STAR 2.0 compliant
- Meets Minimum Energy Performance Standards (MEPS)
- China Energy Conservation Program (CECP) certified
Compact and Portable
With dimensions of 2.56" x 5.71" x 1.18" and a weight of 1.10 lb, this adapter is easy to transport in laptop bags or cases, ideal for on-the-go use.
- Lightweight construction
- Slim profile for easy storage
- Durable build quality
Deployment / Use Cases
The ThinkPad 135W AC Adapter is tailored for environments where reliable laptop power is critical. Its compatibility with specific ThinkPad models ensures seamless integration into existing hardware setups.
Common applications include corporate offices, educational institutions, and remote workstations, where it serves as a primary or backup power source. The global voltage support makes it suitable for international business travelers who need a single adapter for multiple regions.
Corporate IT Deployment
Ideal for bulk deployments in enterprises using compatible ThinkPad notebooks, providing standardized power solutions across departments.
- Supports ThinkPad T440p and T540p series
- Simplifies inventory management
- Reduces compatibility issues
Mobile Professional Setup
Perfect for consultants, field technicians, and remote workers who require a reliable power adapter that works worldwide without voltage converters.
- Dual-voltage operation
- Lightweight for travel
- Consistent charging performance
Physical Profile
The adapter measures 2.56" in width, 5.71" in depth, and 1.18" in height, with a weight of approximately 1.10 lb. Its compact design minimizes desk clutter and fits easily into most carrying cases. The sturdy construction ensures durability during frequent transport, while the Slim Tip connector provides a secure fit to prevent accidental disconnections.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.18" (30 mm), 2.56" (65 mm), 5.71" (145 mm), 1.10 lb (500 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 2.56" (65 mm)
- Depth
- 5.71" (145 mm)
- Height
- 1.18" (30 mm)
- Weight
- 1.10 lb (500 g)
What's in the Box
This product includes all necessary components for immediate use with compatible ThinkPad notebooks.
Highlights
- 135W maximum output power for high-performance laptop charging
- Supports 110V and 220V input voltages for global compatibility
- 50Hz and 60Hz frequency operation across regions
- ENERGY STAR 2.0 and CECP energy efficiency certifications
- Compact dimensions of 2.56" x 5.71" x 1.18" (65 mm x 145 mm x 30 mm)
- Lightweight design at 1.10 lb (500 g) for easy portability
- Includes AC power cord and user guide in the package
- 1-year limited warranty for reliable long-term use
Specifications
| Specifications | |
|---|---|
| Manufacturer | Lenovo Group Limited |
| Manufacturer Part Number | 4X20E50558 |
| Brand Name | Lenovo |
| Product Line | ThinkPad |
| Product Name | ThinkPad 135W AC Adapter (Slim tip) |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | Notebook |
| Power Description | |
| Input Voltage | 110 V AC,220 V AC |
| Frequency | 50 Hz,60 Hz |
| Maximum Output Power | 135 W |
| Physical Characteristics | |
| Height | 1.18" (30 mm) |
| Width | 2.56" (65 mm) |
| Depth | 5.71" (145 mm) |
| Weight (Approximate) | 1.10 lb (500 g) |
| Miscellaneous | |
| Package Contents | ThinkPad 135W AC Adapter (Slim Tip) User's guide AC power cord |
| Compatibility | Lenovo ThinkPad Notebooks: T440p T440p 20AN T440p 20AW T540p 20BE T540p 20BF |
| Energy Star | Yes |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Energy Efficiency Certification | ENERGY STAR 2.0,China Energy Conservation Program (CECP) |
| Energy Efficiency Compliance | Minimum Energy Performance Standards (MEPS) |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What is the maximum output power of this Lenovo AC adapter?
This Lenovo ThinkPad AC adapter delivers a maximum output power of 135 watts. This capacity is sufficient to charge and power compatible ThinkPad notebooks during demanding tasks, ensuring stable performance without overloading the system.
Is this adapter compatible with international voltage standards?
Yes, the adapter supports input voltages of 110V and 220V AC, along with frequencies of 50Hz and 60Hz. This dual-voltage design allows it to be used in various countries without requiring a separate voltage converter, making it ideal for travel and global deployments.
Which Lenovo ThinkPad models are compatible with this AC adapter?
This adapter is compatible with specific Lenovo ThinkPad notebooks, including the T440p series (models 20AN and 20AW) and T540p series (models 20BE and 20BF). It uses a Slim Tip connector, so ensure your laptop model matches this connector type for proper fit and function.
Does this AC adapter have energy efficiency certifications?
Yes, it is certified under ENERGY STAR 2.0 and the China Energy Conservation Program (CECP). These certifications indicate that the adapter meets strict energy performance standards, reducing power consumption and environmental impact while maintaining reliable operation.
What is included in the package with this AC adapter?
The package includes the ThinkPad 135W AC Adapter with a Slim Tip connector, a user's guide for setup and safety instructions, and an AC power cord. All components are necessary for immediate use with compatible ThinkPad notebooks.
What warranty coverage does this Lenovo AC adapter offer?
This adapter comes with a 1-year limited warranty from Lenovo. This warranty covers defects in materials and workmanship under normal use, providing assurance of quality and support for the product's lifespan in business or personal environments.