Lenovo 20V 4.5A 90W 36001806 36001943 AC Adapter Charger Specifications
Charger Type: OEM AC Adapter
Output Voltage: 20V DC
Output Current: 4.5A
Output Power: 90W
Input Voltage: 100–240V AC, 50–60Hz
Connector Type: 7.9mm × 5.5mm Round Barrel Pin
Compatibility: Selected Lenovo ThinkPad, IdeaPad, Essential, and Lenovo notebooks requiring a 20V 4.5A 90W charger
Part Numbers: 36001806, 36001943, and compatible OEM variants
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)
The Lenovo 20V 4.5A 90W 36001806 36001943 AC Adapter Charger is an original OEM power adapter designed to deliver reliable and efficient charging for compatible Lenovo laptops. It provides a stable 20V DC output at 4.5A, producing 90W of power to keep your laptop running smoothly while charging the battery simultaneously.
Built with high-quality components, this adapter offers consistent performance for office work, business applications, online learning, and everyday computing. Its universal 100–240V AC input allows it to be used in different countries, making it ideal for professionals and travelers. Integrated protection circuits help safeguard your laptop against over-voltage, over-current, overheating, and short circuits.
USB-C Power Delivery (PD): Used on newer laptops supporting USB-C charging and intelligent power negotiation.
Barrel Connectors: Traditional cylindrical DC connectors widely used on Lenovo laptops. This adapter uses a 7.9mm × 5.5mm round barrel connector.
Proprietary Connectors: Manufacturer-specific connectors designed for selected laptop models.
Lenovo 20V 4.5A 90W 36001806 36001943 AC Adapter Charger FAQs
1. Which laptops are compatible with the Lenovo 20V 4.5A 90W AC Adapter Charger?
This adapter is compatible with selected Lenovo ThinkPad, IdeaPad, Essential, and other Lenovo laptops that require a 20V 4.5A 90W power adapter with a 7.9mm × 5.5mm round barrel connector.
2. Can I use this 90W charger instead of a 65W Lenovo charger?
Yes, as long as your laptop requires 20V output and uses the same connector. The laptop will only draw the amount of power it needs.
3. What do the part numbers 36001806 and 36001943 represent?
These are Lenovo OEM part numbers used to identify compatible 90W AC adapters. Always check your original adapter or laptop specifications before purchasing.
4. Does this charger support worldwide voltage?
Yes. It supports 100–240V AC, 50–60Hz, making it suitable for international use with the appropriate power cord or plug adapter.
5. How do I verify this charger is compatible with my laptop?
Check your existing charger's output voltage (20V), current (4.5A), power rating (90W), and connector size (7.9mm × 5.5mm). These specifications should match your laptop's requirements.
6. Does this Lenovo charger include built-in safety protection?
Yes. The adapter includes protection against over-voltage, over-current, overheating, and short circuits to help ensure safe and reliable charging.
Lenovo 20V 4.5A 90W 36001806 36001943 AC Adapter Charger Conclusion
The Lenovo 20V 4.5A 90W 36001806 36001943 AC Adapter Charger is a dependable OEM replacement designed for compatible Lenovo laptops. With a 20V output, 4.5A current, 90W power rating, universal 100–240V AC input, and durable construction, it delivers efficient and safe charging for business, education, and everyday computing. It is an excellent replacement charger for users in Kenya seeking genuine Lenovo charging performance.
