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 Lenovo 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 power adapter designed to provide dependable and efficient charging for compatible Lenovo laptops. Delivering a regulated 20V DC output at up to 4.5A (90W), it supplies stable power for everyday computing while charging your battery safely and efficiently.
With a universal 100–240V AC input, this adapter is suitable for use worldwide, making it ideal for home, office, and travel. The genuine Lenovo Round Barrel connector ensures a secure connection, while built-in protection against over-voltage, over-current, overload, overheating, and short circuits helps maximize the lifespan of both the adapter and your laptop.
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 power delivery for compatible Lenovo laptops.
Voltage (V): 20V DC
Regulated 20V DC output.
Stable power for compatible Lenovo systems.
Supports reliable battery charging.
Amperage (A): 4.5A
Delivers up to 4.5A.
Ensures efficient charging under normal and demanding workloads.
Maintains consistent performance.
Wattage (W): 90W
Provides up to 90W of continuous power.
Suitable for Lenovo business and professional laptops.
This adapter belongs to the 90W charging category.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Common Wattage Tiers & Use Cases
65W
Designed for light productivity tasks.
90W
Recommended for compatible Lenovo ThinkPad and business laptops.
Delivers reliable charging and full system performance.
This adapter belongs to the 90W category.
135W
Intended for mobile workstations.
Higher output than required for this adapter.
170W
Designed for Lenovo gaming laptops.
Not required for systems using this 90W adapter.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Input Specifications
Input Voltage
Supports 100–240V AC.
Compatible with worldwide electrical standards.
Ideal for international travel.
Input Frequency
Supports 50–60Hz.
Reliable operation across global power systems.
No manual switching required.
Power Source
Connects directly to standard AC wall outlets.
Converts AC power into stable 20V DC output.
Ensures safe and efficient charging.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W Connector Types
Lenovo Round Barrel
Genuine Lenovo Round Barrel connector.
Secure fit and dependable power delivery.
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 USB-C charging laptops.
Not supported by this model.
Adapter for Lenovo 45J7717 45K2209 20V 4.5A 90W FAQs
1. Is this adapter genuine?
Yes. It is designed as a genuine Lenovo OEM replacement AC adapter for compatible Lenovo laptops.
2. What is the power output?
It delivers 20V DC, 4.5A, with a maximum output of 90W.
3. Which connector does it use?
It uses the Lenovo Round Barrel connector.
4. Can I use it internationally?
Yes. The adapter supports 100–240V AC, 50–60Hz, making it suitable for worldwide use.
5. Does it include a power cord?
Yes. The package includes the AC adapter and an AC power cord.
6. Does it have built-in protection?
Yes. It features 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. With its Round Barrel connector, 100–240V AC universal input, included AC power cord, and advanced safety protection, it is an excellent replacement or spare adapter for users who need reliable performance at home, in the office, or while travelling.
