Description
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W Overview
The Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W is a genuine OEM replacement adapter engineered to provide stable and reliable power for Lenovo IdeaPad Y550 laptops. Delivering 20V DC at 4.5A, it provides a maximum output of 90W, making it ideal for powering the laptop and charging the battery simultaneously during everyday use and demanding applications.
Featuring Lenovo's 5.5mm × 2.5mm round barrel connector, the adapter provides a secure connection for compatible IdeaPad Y550 models. Its universal 100–240V AC input makes it suitable for use worldwide at home, in the office, or while traveling. Built-in protection against over-voltage, over-current, overheating, overload, and short circuits ensures safe and dependable operation. Lenovo recommends a 90W adapter for Y550 models with dedicated graphics.
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W Price Table
| Product |
Price in Kenya (KSh) |
| Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W |
3,000 – 5,500 |
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W Key Specifications
| Specification |
Details |
| Brand |
Lenovo |
| Adapter Type |
OEM AC Adapter |
| Output Voltage |
20V DC |
| Output Current |
4.5A |
| Output Power |
90W |
| Input Voltage |
100–240V AC |
| Input Frequency |
50–60Hz |
| Connector |
Lenovo Round Barrel Connector (5.5mm × 2.5mm) |
| Included |
AC Power Cord |
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W Electrical Output Specifications
The adapter delivers stable electrical output for dependable laptop performance and battery charging.
Voltage (V): 20V DC
- Provides a regulated 20V output.
- Matches Lenovo factory charging specifications.
- Ensures stable system performance.
Amperage (A): 4.5A
- Delivers up to 4.5A of charging current.
- Supports demanding laptop workloads.
- Maintains consistent power delivery.
Wattage (W): 90W
- Produces up to 90W of continuous output.
- Powers the laptop while charging the battery.
- This charger belongs to the 90W performance category.
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W Common Wattage Tiers & Use Cases
45W
- Suitable for compact Lenovo laptops.
- Supports basic computing tasks.
- Not suitable for the IdeaPad Y550.
65W
- Used on entry-level and mainstream Lenovo notebooks.
- Supports light productivity workloads.
- Lower than the recommended output for this model.
90W
- Designed for performance laptops with dedicated graphics.
- Supports gaming, multimedia, and multitasking.
- This charger belongs to the 90W performance category.
135W
- Intended for mobile workstations and gaming laptops.
- Supports higher-performance hardware.
- Higher than required for this laptop.
Charger for Lenovo IdeaPad Y550-418646U 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
- Operates on both 50Hz and 60Hz power systems.
- Compatible with worldwide electrical standards.
- Ensures dependable charging performance.
Power Source
- Connects directly to standard AC wall outlets.
- Converts AC power into regulated DC output.
- Provides stable and efficient charging.
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W Connector Types
Lenovo Round Barrel Connector (5.5mm × 2.5mm)
- Uses Lenovo's round barrel charging connector.
- Provides a secure and reliable connection.
- This charger uses the 5.5mm × 2.5mm round barrel connector.
Lenovo Slim Tip
- Used on newer Lenovo laptops.
- Different from the round barrel connector.
- Not compatible with this laptop.
USB-C Power Delivery (PD)
- Common on modern Lenovo notebooks.
- Supports USB-C charging.
- Not compatible with the IdeaPad Y550.
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W FAQs
1. Is this charger compatible with the Lenovo IdeaPad Y550-418646U?
Yes. It is specifically designed for the Lenovo IdeaPad Y550-418646U and compatible Y550 models requiring a 20V 4.5A 90W charger.
2. Does the package include a power cord?
Yes. The package includes 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 round 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 includes protection against over-voltage, over-current, overheating, overload, and short circuits for safe and reliable charging.
Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W Conclusion
The Charger for Lenovo IdeaPad Y550-418646U 20V 4.5A 90W is a dependable OEM replacement adapter designed for reliable laptop charging. With 20V output, 4.5A current, 90W power, a 5.5mm × 2.5mm round barrel connector, universal 100–240V AC input, and an included AC power cord, it provides the dependable performance needed for everyday computing and demanding multimedia workloads.
