Description

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Overview

The Lenovo 55Y9327 55Y9328 55Y9329 135W AC Adapter Charger is engineered to deliver dependable, high-capacity power for Lenovo laptops and mobile workstations that require a 135W power supply. With a regulated 20V DC output at 6.75A, it provides sufficient power to operate demanding systems while simultaneously charging the battery.

Built using high-efficiency switching technology, the adapter maintains stable voltage during intensive workloads including software development, virtualization, CAD design, engineering applications, business computing, multimedia editing, and professional productivity. Intelligent voltage regulation minimizes electrical fluctuations to help protect internal components while ensuring reliable charging performance.

The adapter features universal voltage compatibility for international use and a durable housing suitable for continuous daily operation. Lenovo's official adapter documentation includes genuine 135W ThinkPad AC adapters, while Lenovo support documentation provides specifications for 135W Slim Tip and 135W Round Tip adapters for supported models.

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Price

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Full Specifications

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Electrical Output Specifications

The charger delivers the electrical characteristics required by compatible Lenovo high-performance laptops.

• Output Voltage: Stable 20V DC regulated output.
• Output Current: 6.75 Amps continuous current delivery.
• Maximum Output Power: 135 Watts.
• Stable Voltage Regulation: Ensures reliable operation during demanding workloads.
• Efficient AC-to-DC Conversion: Reduces power loss while maximizing charging efficiency.
• Low Ripple Output: Helps protect sensitive internal components.
• Automatic Load Detection: Supplies the power required by the connected device.

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Common Wattage Tiers & Use Cases

45W Chargers

Suitable for Chromebooks, lightweight notebooks, and entry-level laptops used for web browsing, office work, and educational tasks.

65W Chargers

Ideal for ultrabooks, ThinkPads, Yoga laptops, and IdeaPads performing everyday productivity and business applications.

90W Chargers

Designed for larger business laptops, multimedia notebooks, and standard professional computing.

135W Chargers (This Charger)

The 135W charger is designed for higher-performance Lenovo laptops and mobile workstations. It is ideal for engineering software, programming, virtualization, CAD applications, business productivity, multimedia editing, financial applications, software development, and continuous professional workloads that require higher power capacity than standard notebook chargers.

170W–230W Chargers

Recommended for mobile workstations, gaming laptops, AI computing, 3D rendering, and other high-performance professional systems.

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Input Specifications

• Input Voltage: AC 100–240V
• Input Frequency: 50–60Hz
• Automatic Voltage Detection: Compatible with worldwide electrical systems.
• High-Efficiency Power Conversion: Maximizes energy efficiency.
• Low Heat Generation: Improves long-term durability.
• Stable Input Regulation: Maintains consistent electrical output.
• Energy-Efficient Continuous Operation: Designed for prolonged daily professional use.

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Connector Types

Barrel Connector

• Lenovo Round Barrel (Round Tip) connector.
• Provides a secure and reliable connection.
• Designed for dependable long-term power delivery.

USB-C Power Delivery (PD)

• Not supported.

Micro USB

• Not applicable.

Proprietary Connectors

• Not applicable.

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger FAQs

Q1. Is this charger compatible with Lenovo part numbers 55Y9327, 55Y9328, and 55Y9329?

Yes. It is designed for these Lenovo adapter part numbers and other compatible systems requiring a 135W 20V 6.75A power adapter.

Q2. What electrical output does this charger provide?

It supplies 20V DC at 6.75A, delivering a maximum output of 135W.

Q3. Can I use the laptop while charging the battery?

Yes. The adapter is designed to power the laptop and charge the battery simultaneously.

Q4. Can this charger be used internationally?

Yes. It supports 100–240V AC, making it suitable for worldwide use with the appropriate plug adapter.

Q5. Does it include built-in safety protection?

Yes. It includes protection against over-voltage, overload, overheating, over-current, and short circuits.

Q6. Is this a suitable replacement for the original Lenovo charger?

Yes. It matches the original electrical specifications for compatible Lenovo systems requiring a 135W 20V 6.75A adapter.

Charger for Lenovo 55Y9327 55Y9328 55Y9329 – 135W 20V 6.75A AC Adapter Charger Conclusion

The Lenovo 55Y9327 55Y9328 55Y9329 135W AC Adapter Charger delivers dependable, efficient, and safe power for compatible Lenovo laptops and mobile workstations. Featuring a regulated 20V 6.75A (135W) output, durable construction, universal voltage compatibility, and advanced electrical protection, it is an excellent replacement or spare adapter for demanding professional and business environments.