Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Specifications
Adapter Type: Genuine Lenovo AC Adapter
Output Voltage: 20V DC
Maximum Output Current: 4.5A
Maximum Output Power: 90W
Input Voltage: 100–240V AC, 50–60Hz
Connector Type: Lenovo Round Barrel Connector (7.9mm × 5.5mm with center pin)
Included Accessories: AC Power Cord
Compatibility: Lenovo laptops compatible with Lenovo part numbers 40Y7662 and 40Y7663 requiring a 90W adapter
Build: Genuine Lenovo OEM adapter with integrated safety protection
Warranty: The warranty tendered hereunder, on the electronic product(s) sold under this invoice will be provided exclusively by their respective Authorized Agents/Distributors and are limited to the period indicated from the date ofyour invoice, except otherwise mentioned as per the warranty conditions as carried along with the products(s)
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Overview
The Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W is a genuine Lenovo power adapter designed to deliver reliable and efficient charging for compatible Lenovo ThinkPad and other supported Lenovo laptops. Providing 20V DC at up to 4.5A (90W), it ensures stable performance for office work, business applications, multitasking, and everyday computing.
With a 100–240V AC input, this adapter supports worldwide voltage standards, making it suitable for travel and international use. Built-in protection against over-voltage, over-current, overload, overheating, and short circuits helps protect both your laptop and the adapter.
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Price Table
Product
Price in Kenya (KSh)
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W
3,000 – 6,500
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Key Specifications
Specification
Details
Brand
Lenovo
Adapter Type
Genuine AC Adapter
Output Voltage
20V DC
Maximum Output Current
4.5A
Maximum Output Power
90W
Input Voltage
100–240V AC
Input Frequency
50–60Hz
Connector
Lenovo Round Barrel Connector (7.9mm × 5.5mm with center pin)
The adapter delivers stable and reliable power for compatible Lenovo laptops.
Voltage (V): 20V DC
Provides a regulated 20V DC output.
Ensures stable system performance.
Designed for compatible Lenovo laptops.
Amperage (A): 4.5A
Delivers up to 4.5A of output current.
Supports reliable charging and operation.
Maintains efficient power delivery.
Wattage (W): 90W
Provides up to 90W of continuous power.
Ideal for compatible Lenovo notebooks.
This adapter belongs to the 90W standard charging category.
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Common Wattage Tiers & Use Cases
45W
Designed for lightweight laptops.
Suitable for basic computing.
Lower than this model's requirement.
65W
Used by mainstream laptops.
Supports everyday productivity.
Lower than the required power.
90W
Designed for business and professional laptops.
Delivers reliable power for demanding daily workloads.
This adapter belongs to the 90W category.
135W
Used by mobile workstations.
Supports higher-performance systems.
Higher than required for this adapter.
170W and Above
Designed for gaming laptops and workstations.
Not required for this model.
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Input Specifications
Input Voltage
Accepts worldwide input from 100V to 240V AC.
Suitable for international travel.
No voltage converter required.
Input Frequency
Supports both 50Hz and 60Hz electrical systems.
Compatible with global power standards.
Ensures dependable operation worldwide.
Power Source
Connects directly to standard AC wall outlets.
Converts AC power into regulated DC output.
Provides stable and efficient charging.
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Connector Types
Lenovo Round Barrel Connector
Standard connector for many classic Lenovo ThinkPad laptops.
Provides a secure and reliable power connection.
This is the correct connector for adapters using Lenovo part numbers 40Y7662 and 40Y7663.
Lenovo Slim Tip
Used on newer Lenovo laptop models.
Different from the Round Barrel connector.
Not compatible with this adapter.
USB-C
Used on modern Lenovo laptops.
Supports USB Power Delivery where applicable.
Not compatible with this adapter.
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W FAQs
1. Is this adapter compatible with Lenovo part numbers 40Y7662 and 40Y7663?
Yes. It is designed as a replacement for Lenovo 40Y7662 and 40Y7663 90W AC adapters.
2. Is this a genuine Lenovo adapter?
Yes. It is a genuine Lenovo OEM AC adapter designed for safe and reliable charging.
3. Can I use this adapter with other Lenovo laptops?
Yes, provided they require the same 20V 4.5A 90W output and Round Barrel connector.
4. Does it support worldwide voltage?
Yes. It supports 100–240V AC, 50–60Hz, making it suitable for international use.
5. Does the package include a power cord?
Yes. The adapter includes an AC power cord.
6. Does it include built-in safety protection?
Yes. It features protection against over-voltage, over-current, overload, overheating, and short circuits.
Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W Conclusion
The Adapter for Lenovo 40Y7662 40Y7663 20V 4.5A 90W is a genuine Lenovo OEM power adapter engineered for reliable everyday performance. With 20V output, 4.5A current, 90W power, 100–240V AC input, Round Barrel connectivity, and comprehensive safety protection, it delivers dependable and efficient power for compatible Lenovo laptops.
