Description
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Overview
The Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W AC Adapter is a dependable replacement charger designed to provide stable power for the Lenovo ThinkPad Edge 14 Series. Delivering 20V DC at 4.5A, it supplies 90W of continuous power, ensuring efficient battery charging while maintaining reliable laptop performance.
Its durable design makes it suitable for daily use at home, in the office, or while travelling. The included AC power cord provides a complete charging solution, while the universal 100–240V AC input allows convenient use in Kenya and internationally. Built-in protection circuitry safeguards against over-voltage, over-current, overload, overheating, and short circuits.
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Price Table
| Product |
Price in Kenya (KSh) |
| Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W AC Adapter |
3,500 – 6,000 |
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Key Specifications
| Specification |
Details |
| Brand |
Lenovo |
| Adapter Type |
AC Power Adapter |
| Output Voltage |
20V DC |
| Output Current |
4.5A |
| Output Power |
90W |
| Input Voltage |
100–240V AC |
| Input Frequency |
50–60Hz |
| Connector |
7.9mm × 5.5mm Round Barrel |
| Included |
AC Power Cord |
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Electrical Output Specifications
Voltage (V): 20V DC
- Provides regulated 20V DC output.
- Delivers stable charging performance.
- Matches Lenovo ThinkPad Edge power requirements.
Amperage (A): 4.5A
- Supplies up to 4.5A output current.
- Supports charging while the laptop is in use.
- Ensures reliable power delivery.
Wattage (W): 90W
- Delivers 90W continuous output.
- Suitable for compatible ThinkPad Edge laptops.
- This charger belongs to the 90W performance category.
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Common Wattage Tiers & Use Cases
45W
- Designed for lightweight laptops.
- Suitable for basic productivity.
- Lower than this adapter's rating.
65W
- Used on many Lenovo notebooks.
- Supports standard office workloads.
- Lower output than this adapter.
90W
- Designed for compatible ThinkPad Edge laptops.
- Supports charging during active use.
- This charger belongs to the 90W performance category.
135W
- Intended for mobile workstations.
- Provides additional power capacity.
- Not required for the ThinkPad Edge 14.
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Input Specifications
Input Voltage
- Supports worldwide 100–240V AC input.
- Suitable for Kenya and international travel.
- Works with standard wall outlets.
Input Frequency
- Supports 50Hz and 60Hz AC power.
- Ensures stable power conversion.
- Maintains reliable charging.
Power Source
- Connects directly to AC wall outlets.
- Converts AC into regulated DC output.
- Delivers efficient power to the laptop.
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Connector Types
Round Barrel Connector
- Uses a 7.9mm × 5.5mm round barrel connector with center pin.
- Provides a secure and reliable connection.
- Designed for compatible Lenovo ThinkPad Edge laptops.
Lenovo Slim Tip Connector
- Used on newer Lenovo ThinkPad models.
- Features a rectangular charging connector.
- Not compatible with this adapter.
USB-C Connector
- Used on modern Lenovo laptops.
- Supports USB Power Delivery charging.
- Not compatible with this adapter.
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W FAQs
1. Is this charger compatible with the Lenovo ThinkPad Edge 14 0578-82U?
Yes. It is designed for the Lenovo ThinkPad Edge 14 0578-82U requiring a 20V 4.5A 90W AC adapter.
2. What is the output rating?
The charger delivers 20V DC, 4.5A, and 90W maximum output.
3. Does the package include a power cord?
Yes. The package includes both the AC adapter and an AC power cord.
4. What connector does this charger use?
It uses a 7.9mm × 5.5mm round barrel connector with a center pin.
5. Can I use it internationally?
Yes. It supports 100–240V AC, 50–60Hz, making it suitable for worldwide use.
6. Does it include safety protection?
Yes. It includes protection against over-voltage, over-current, overload, overheating, and short circuits.
Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W Conclusion
The Charger for Lenovo ThinkPad Edge 14 0578-82U 20V 4.5A 90W AC Adapter is a reliable replacement power solution for compatible ThinkPad Edge laptops. Featuring 20V output, 4.5A current, 90W power capacity, a 7.9mm × 5.5mm round barrel connector, universal 100–240V AC input, included AC power cord, and comprehensive safety protection, it delivers dependable charging performance for home, office, and travel use.
