Description
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Overview
The Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W is a genuine Lenovo power adapter designed to provide reliable and efficient charging for the Lenovo IdeaPad S145-14IWL 81MU laptop. It delivers a stable 20V DC output at up to 2.25A (45W), ensuring dependable power for everyday computing, office work, online learning, and entertainment. Lenovo specifies that the IdeaPad S145-14IWL platform supports 45W or 65W Round Tip AC adapters, depending on the hardware configuration.
Featuring a Lenovo Round Tip (4.0 × 1.7mm) connector and a universal 100–240V AC input, this adapter is suitable for use at home, in the office, or while travelling internationally. Integrated protection against over-voltage, over-current, overload, overheating, and short circuits helps ensure safe and reliable operation.
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Price Table
| Product |
Price in Kenya (KSh) |
| Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W |
2,500 – 5,000 |
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Key Specifications
| Specification |
Details |
| Brand |
Lenovo |
| Adapter Type |
Genuine AC Adapter |
| Output Voltage |
20V DC |
| Maximum Output Current |
2.25A |
| Maximum Output Power |
45W |
| Input Voltage |
100–240V AC |
| Input Frequency |
50–60Hz |
| Connector |
Lenovo Round Tip (4.0 × 1.7mm) |
| Included |
AC Power Cord |
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Electrical Output Specifications
The adapter delivers stable and efficient power for the Lenovo IdeaPad S145-14IWL 81MU and other compatible Lenovo laptops.
Voltage (V): 20V DC
- Provides a regulated 20V DC output.
- Ensures stable laptop performance.
- Designed for compatible Lenovo laptops.
Amperage (A): 2.25A
- Delivers up to 2.25A of output current.
- Supports reliable and efficient charging.
- Maintains consistent power delivery.
Wattage (W): 45W
- Provides up to 45W of continuous power.
- Ideal for Lenovo IdeaPad everyday laptops.
- This adapter belongs to the 45W charging category.
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Common Wattage Tiers & Use Cases
45W
- Designed for entry-level and everyday Lenovo laptops.
- Suitable for office work, browsing, and online learning.
- This adapter belongs to the 45W category.
65W
- Used on higher-specification Lenovo IdeaPad models.
- Provides additional charging capacity.
- Compatible where supported but higher than required for this configuration.
90W
- Used by selected high-performance Lenovo laptops.
- Suitable for demanding workloads.
- Not required for this model.
135W
- Designed for Lenovo workstations.
- Supports higher-powered devices.
- Not compatible with this model.
170W
- Intended for Lenovo gaming laptops.
- Provides power for high-performance systems.
- Not required for this model.
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Input Specifications
Input Voltage
- Accepts worldwide input from 100V to 240V AC.
- Suitable for international travel.
- No voltage converter required.
Input Frequency
- Supports both 50Hz and 60Hz electrical systems.
- Compatible with global power standards.
- Ensures reliable operation worldwide.
Power Source
- Connects directly to standard AC wall outlets.
- Converts AC power into regulated DC output.
- Provides stable and efficient charging.
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Connector Types
Lenovo Round Tip (4.0 × 1.7mm)
- Genuine Lenovo round barrel connector.
- Provides a secure and reliable connection.
- This is the correct connector for the Lenovo IdeaPad S145-14IWL 81MU 45W adapter configuration.
Lenovo Slim Tip
- Used on many Lenovo ThinkPad and IdeaPad models.
- Different from the Round Tip connector.
- Not compatible with this adapter version.
USB-C
- Used on newer Lenovo laptops supporting USB Power Delivery.
- Different from the Round Tip connector.
- Not compatible with this model.
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W FAQs
1. Is this adapter compatible with the Lenovo IdeaPad S145-14IWL 81MU?
Yes. It is designed for the Lenovo IdeaPad S145-14IWL 81MU models requiring a 20V 2.25A 45W Round Tip adapter.
2. Which connector does this adapter use?
It uses the Lenovo Round Tip (4.0 × 1.7mm Barrel) connector.
3. Can I use a 65W Lenovo charger instead?
Yes. A genuine 20V 65W Round Tip Lenovo adapter is also compatible because the laptop only draws the power it requires.
4. Does it support worldwide voltage?
Yes. It supports 100–240V AC, 50–60Hz, making it suitable for worldwide use.
5. Does the package include a power cord?
Yes. The adapter comes with an AC power cord.
6. Does it include built-in safety protection?
Yes. It includes protection against over-voltage, over-current, overload, overheating, and short circuits.
Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W Conclusion
The Adapter for Lenovo IdeaPad S145-14IWL 81MU 20V 2.25A 45W is a genuine Lenovo OEM power adapter that delivers safe, efficient, and dependable charging. Featuring a 20V output, 2.25A current, 45W power, a Lenovo Round Tip (4.0 × 1.7mm) connector, 100–240V AC input, and comprehensive safety protection, it is an ideal replacement or spare adapter for the Lenovo IdeaPad S145-14IWL 81MU and other compatible Lenovo laptops.
