Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Specifications
Adapter Type: OEM AC Power Adapter
Output Voltage: 20V DC
Output Current: 4.5A
Output Power: 90W
Input Voltage: 100–240V AC, 50–60Hz
Connector Type: 5.5mm × 2.5mm Barrel Connector
Included Accessories: AC Power Cord
Compatibility: Lenovo IdeaPad Y550-418644U and compatible Lenovo laptops requiring a 20V 4.5A 90W adapter
Build: High-quality OEM replacement 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)
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Overview
The Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W is a genuine OEM replacement adapter designed to provide stable and efficient charging for compatible Lenovo IdeaPad laptops. Delivering 20V DC at 4.5A, it provides 90W of continuous power, allowing your laptop to operate efficiently while charging the battery simultaneously.
Featuring a 5.5mm × 2.5mm barrel connector, this adapter provides a secure and reliable connection for supported IdeaPad models. Its universal 100–240V AC input makes it suitable for use at home, in the office, at school, or while travelling internationally. Built with premium components and comprehensive protection circuitry, it safeguards your laptop against over-voltage, over-current, overheating, overload, and short circuits for dependable long-term performance.
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Price Table
Product
Price in Kenya (KSh)
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W
2,500 – 4,500
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Key Specifications
The adapter delivers stable electrical output that ensures dependable laptop performance and efficient battery charging.
Voltage (V): 20V DC
Delivers a regulated 20V output for reliable laptop operation.
Maintains consistent voltage throughout every charging cycle.
Matches Lenovo factory charging specifications.
Amperage (A): 4.5A
Supplies up to 4.5A current for efficient battery charging.
Provides stable current during demanding computing workloads.
Automatically adjusts power according to laptop requirements.
Wattage (W): 90W
Produces 90W output for dependable everyday laptop charging.
Powers the laptop while charging the internal battery safely.
Delivers consistent performance with excellent efficiency.
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Common Wattage Tiers & Use Cases
45W
Suitable for compact notebooks and lightweight ultrabooks.
Ideal for web browsing, office work, and online learning.
Designed for lower-power laptops.
65W
Commonly used for mainstream laptops.
Supports everyday productivity workloads.
Lower than the recommended adapter for this model.
90W
Designed for multimedia and performance laptops.
Supports multitasking and demanding applications.
This charger belongs to the 90W performance category.
135W–170W
Built for gaming laptops and workstation-class computers.
Supports dedicated graphics and intensive workloads.
Intended for systems requiring higher power.
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Input Specifications
Input Voltage
Accepts worldwide input ranging from 100V to 240V AC.
Suitable for homes, offices, hotels, and international travel.
Eliminates the need for external voltage conversion devices.
Input Frequency
Operates efficiently on both 50Hz and 60Hz power systems.
Compatible with international electrical supply standards.
Maintains stable charging across varying AC frequencies.
Power Source
Connects directly to standard AC electrical wall outlets.
Converts AC electricity into regulated DC output efficiently.
Delivers consistent power with minimal energy loss.
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Connector Types
5.5mm × 2.5mm Barrel Connector
Uses a 5.5mm × 2.5mm barrel connector.
Provides a secure and reliable charging connection.
This charger uses a 5.5mm × 2.5mm barrel connector.
USB-C Power Delivery (PD)
Used by newer Lenovo laptops.
Supports intelligent fast charging.
Not compatible with the IdeaPad Y550-418644U.
Lenovo Slim Tip
Used on newer Lenovo laptop models.
Features a rectangular connector design.
Not compatible with this model.
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W FAQs
1. Is this charger compatible with the Lenovo IdeaPad Y550-418644U?
Yes. It is specifically designed for the Lenovo IdeaPad Y550-418644U and compatible Lenovo laptops requiring a 20V 4.5A 90W charger.
2. Does the package include a power cord?
Yes. The package includes both the 90W AC adapter and a compatible AC power cord.
3. Can I replace my original Lenovo charger with this adapter?
Yes. If your original charger is rated at 20V, 4.5A, 90W, and uses the 5.5mm × 2.5mm barrel connector, this adapter is a suitable replacement.
4. Does this charger support worldwide voltage?
Yes. It supports 100–240V AC, 50–60Hz, making it suitable for international use.
5. How do I verify compatibility before purchasing?
Check your laptop model together with the voltage, amperage, wattage, and connector type of your existing charger.
6. Does this charger include built-in safety protection?
Yes. It features protection against over-voltage, over-current, overheating, overload, and short circuits for safe and reliable charging.
Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W Conclusion
The Charger for Lenovo IdeaPad Y550-418644U 20V 4.5A 90W is a dependable OEM replacement charger designed to deliver stable and efficient power for compatible Lenovo IdeaPad laptops. Featuring 20V output, 4.5A current, 90W power rating, a 5.5mm × 2.5mm barrel connector, universal 100–240V AC input, and an included AC power cord, it provides reliable charging for work, study, and everyday computing. It is an excellent replacement or spare charger for Lenovo IdeaPad Y550-418644U users in Kenya.