Adapter for Lenovo 45J7717 45K2209 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
Included Accessories: AC Power Cord
Compatibility: Lenovo laptops compatible with part numbers 45J7717 and 45K2209, and other Lenovo systems requiring a 20V 4.5A 90W Round Barrel 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 45J7717 45K2209 20V 4.5A 90W Overview
The Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W AC Adapter Charger is a genuine Lenovo OEM replacement power adapter designed to deliver reliable and efficient charging for compatible Lenovo laptops. With a regulated 20V DC output and 4.5A current, this 90W adapter provides stable power for charging your battery while supporting everyday computing tasks.
Its universal 100–240V AC input makes it suitable for international use, whether at home, in the office, or while travelling. The durable Lenovo Round Barrel connector ensures a secure connection, while built-in protection against over-voltage, over-current, overheating, overload, and short circuits helps protect both the adapter and your laptop for dependable long-term performance.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Price Table
Product
Price in Kenya (KSh)
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W AC Adapter Charger
KSh 3,500 – 6,500
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Key Specifications
The adapter provides stable and efficient power delivery for compatible Lenovo laptops.
Voltage (V): 20V DC
Regulated 20V DC output.
Stable power for reliable operation.
Safe battery charging.
Amperage (A): 4.5A
Delivers up to 4.5A.
Supports efficient charging.
Maintains consistent performance.
Wattage (W): 90W
Provides up to 90W of continuous power.
Suitable for Lenovo business and ThinkPad laptops.
This adapter belongs to the 90W charging category.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Common Wattage Tiers & Use Cases
65W
Suitable for lightweight Lenovo laptops.
Designed for basic productivity.
90W
Recommended for compatible Lenovo ThinkPad and business laptops.
Delivers stable charging and full performance.
This adapter belongs to the 90W category.
135W
Designed for Lenovo mobile workstations.
Higher output than required for this adapter.
170W
Intended for Lenovo gaming laptops.
Not compatible with systems designed for this adapter.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Input Specifications
Input Voltage
Supports 100–240V AC.
Suitable for worldwide use.
No voltage converter required.
Input Frequency
Supports 50–60Hz.
Compatible with international electrical systems.
Reliable operation worldwide.
Power Source
Connects directly to standard AC wall outlets.
Converts AC power into regulated 20V DC output.
Delivers safe and efficient charging.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Connector Types
Lenovo Round Barrel
Genuine Lenovo Round Barrel connector.
Secure and dependable connection.
Designed for compatible Lenovo laptops using this connector.
Lenovo Slim Tip
Used on newer Lenovo laptops.
Not compatible with this adapter.
USB-C
Used on modern Lenovo laptops.
Not supported by this model.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W FAQs
1. Is this charger compatible with Lenovo 45J7717 and 45K2209?
Yes. It is designed for Lenovo systems using part numbers 45J7717 and 45K2209 that require a 20V 4.5A 90W Round Barrel adapter.
2. What is the output rating?
The adapter delivers 20V DC, 4.5A, with a maximum output of 90W.
3. Does it include a power cord?
Yes. The package includes the 90W AC adapter and an AC power cord.
4. Can I use it internationally?
Yes. It supports 100–240V AC, 50–60Hz, making it suitable for worldwide travel.
5. Which connector does it use?
It uses the Lenovo Round Barrel connector for compatible Lenovo laptops.
6. Does it include built-in safety protection?
Yes. It includes protection against over-voltage, over-current, overload, overheating, and short circuits for safe and reliable charging.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Conclusion
The Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W AC Adapter Charger is a dependable genuine Lenovo replacement charger designed to deliver stable 20V 4.5A 90W power for compatible Lenovo laptops. Featuring a Round Barrel connector, 100–240V AC universal input, an AC power cord, and advanced safety protection, it is an ideal replacement or spare adapter for reliable charging at home, in the office, or while travelling.
