Description
Lenovo SA18C79781 20W USB-C Charger Overview
The Lenovo SA18C79781 20W USB-C Charger is a compact and efficient wall charger designed to provide reliable fast charging for compatible USB-C devices. With a 20W maximum output, it supports USB-C Power Delivery to deliver optimal charging speeds for smartphones, tablets, wireless earbuds, and other portable electronics.
Its 100–240V AC universal input makes it suitable for use at home, in the office, or while travelling internationally. Built-in intelligent protection safeguards connected devices against overheating, over-current, over-voltage, overload, and short circuits for safe everyday charging.
Lenovo SA18C79781 20W USB-C Charger Price Table
| Product |
Price in Kenya (KSh) |
| Lenovo SA18C79781 20W USB-C Charger |
1,500 – 3,000 |
Lenovo SA18C79781 20W USB-C Charger Key Specifications
| Specification |
Details |
| Brand |
Lenovo |
| Charger Type |
USB-C Wall Charger |
| Output Power |
20W |
| Charging Technology |
USB-C Power Delivery |
| Output Voltage |
5V / 9V / 12V |
| Maximum Current |
Up to 3A |
| Input Voltage |
100–240V AC |
| Input Frequency |
50–60Hz |
| Connector |
USB-C |
Lenovo SA18C79781 20W USB-C Charger Electrical Output Specifications
The charger delivers intelligent USB-C Power Delivery output for safe and efficient charging.
Voltage (V): 5V / 9V / 12V
- Automatically selects the correct charging voltage.
- Supports multiple USB-C Power Delivery profiles.
- Delivers safe and efficient charging.
Amperage (A): Up to 3A
- Supplies sufficient current for fast charging.
- Optimizes charging performance automatically.
- Helps reduce charging time for compatible devices.
Wattage (W): 20W
- Delivers up to 20W fast charging.
- Suitable for smartphones, tablets, and USB-C accessories.
- Provides efficient everyday charging performance.
Lenovo SA18C79781 20W USB-C Charger Common Wattage Tiers & Use Cases
20W
- Designed for smartphones and tablets.
- Supports USB-C Power Delivery fast charging.
- This Lenovo charger belongs to the 20W category.
30W–45W
- Suitable for tablets and lightweight laptops.
- Provides faster charging for compatible USB-C notebooks.
- Supports higher-powered mobile devices.
65W–100W
- Designed for USB-C laptops and ultrabooks.
- Delivers higher charging capacity for notebooks.
- Not required for most smartphones.
140W+
- Intended for high-performance laptops.
- Supports advanced USB-C PD charging.
- Not required for mobile devices.
Lenovo SA18C79781 20W USB-C Charger Input Specifications
Input Voltage
- Supports worldwide 100V–240V AC input.
- Suitable for use in Kenya and internationally.
- Ideal for travel.
Input Frequency
- Compatible with both 50Hz and 60Hz power systems.
- Ensures reliable charging worldwide.
- Provides stable power conversion.
Power Source
- Connects directly to standard AC wall outlets.
- Converts AC power into regulated USB-C DC output.
- Provides efficient charging performance.
Lenovo SA18C79781 20W USB-C Charger Connector Types
USB-C Power Delivery (PD)
- Uses the USB-C charging standard.
- Automatically negotiates the correct charging profile.
- This charger uses a USB-C connector with Power Delivery support.
Barrel Connectors
- Used on older laptops.
- Not applicable to this charger.
- USB-C provides universal compatibility.
Proprietary Connectors
- Used on selected laptop models.
- Not required for this USB-C charger.
- Compatible with standard USB-C devices.
Lenovo SA18C79781 20W USB-C Charger FAQs
1. Is this an original Lenovo charger?
Yes. The Lenovo SA18C79781 is a genuine Lenovo USB-C wall charger.
2. Does it support fast charging?
Yes. It provides up to 20W USB-C Power Delivery fast charging for compatible devices.
3. Can I charge tablets with this charger?
Yes. It is compatible with many USB-C tablets that support 20W USB-C PD charging.
4. Can it charge laptops?
It is suitable only for lightweight devices that accept 20W USB-C input. Most laptops require 45W, 65W, or higher chargers.
5. Is it suitable for use in Kenya?
Yes. The charger supports 100–240V AC input, making it suitable for Kenya and international travel.
6. Does it include safety protection?
Yes. It includes protection against over-voltage, over-current, overheating, overload, and short circuits.
Lenovo SA18C79781 20W USB-C Charger Conclusion
The Lenovo SA18C79781 20W USB-C Charger is a compact and dependable charging solution for USB-C smartphones, tablets, and other compatible devices. Featuring 20W USB-C Power Delivery, up to 3A output, 100–240V universal input, and comprehensive safety protection, it is an excellent choice for users seeking a genuine Lenovo fast charger in Kenya.
