Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Overview

The Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W is a reliable Lenovo power adapter designed to provide stable and efficient power for Lenovo IdeaPad touchscreen laptops. Delivering 20V DC at 2A (40W), it supports dependable charging and smooth operation for everyday computing tasks.

The Lenovo IdeaPad S400 Touch supports both 40W and 65W AC adapter options, with 40W adapters including models such as Delta ADP-40NH B, Liteon PA-1400-12LC, and Chicony LN-A0403A3C with 20V 2A output.

With universal 100–240V AC input, this adapter is suitable for use in Kenya and other regions worldwide. Built-in protection against over-voltage, over-current, overheating, overload, and short circuits helps provide safe and reliable power delivery.

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Price Table

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Key Specifications

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Electrical Output Specifications

The adapter provides stable power delivery required for Lenovo IdeaPad touchscreen laptops.

Voltage (V): 20V DC

• Provides regulated 20V DC output.
• Ensures stable laptop operation.
• Designed for Lenovo IdeaPad systems.

Amperage (A): 2A

• Delivers up to 2A output current.
• Supports efficient charging performance.
• Maintains reliable power delivery during normal use.

Wattage (W): 40W

• Provides up to 40W continuous power.
• Suitable for Lenovo IdeaPad S400 and S415 Touch models.
• This adapter belongs to the 40W compact laptop adapter category.

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Common Wattage Tiers & Use Cases

30W

• Designed for low-power devices.
• Suitable for tablets and lightweight systems.
• Lower than this adapter requirement.

40W

• Designed for Lenovo IdeaPad S400/S415 Touch systems.
• Provides efficient power for daily computing.
• This adapter belongs to the 40W category.

45W

• Used by newer entry-level Lenovo laptops.
• Provides slightly higher power capacity.

65W

• Designed for higher-performance Lenovo laptops.
• Provides additional charging capacity.
• Compatible only where supported by the device.

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Input Specifications

Input Voltage

• Accepts worldwide input from 100V to 240V AC.
• Suitable for home, office, and travel use.
• No voltage converter required.

Input Frequency

• Supports both 50Hz and 60Hz electrical systems.
• Compatible with international power standards.
• Ensures reliable operation.

Power Source

• Connects directly to standard AC wall outlets.
• Converts AC power into regulated DC output.
• Provides efficient laptop charging.

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Connector Types

Lenovo Round Barrel Connector

• Provides a secure and reliable power connection.
• Commonly used on Lenovo IdeaPad S400/S415 Touch adapters.
• Ensures stable charging performance.

Lenovo Slim Tip

• Used on newer Lenovo laptops.
• Different from round barrel connectors.
• Not compatible with this adapter.

USB-C

• Used on modern Lenovo devices.
• Supports USB Power Delivery charging.
• Not compatible with this adapter.

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W FAQs

1. Is this adapter compatible with Lenovo IdeaPad S400 Touch?

Yes. It is designed for the Lenovo IdeaPad S400 Touch and compatible systems requiring a 20V 2A 40W adapter.

2. Is this adapter compatible with Lenovo IdeaPad S415 Touch?

Yes. It is compatible with Lenovo IdeaPad S415 Touch models that require the same 20V 2A 40W power specification.

3. Is this a genuine Lenovo adapter?

Yes. It is a Lenovo OEM-compatible adapter designed for safe and reliable charging.

4. Can I use a 65W Lenovo adapter instead?

Some IdeaPad S400 Touch configurations support 65W adapters, but the adapter must match the correct voltage, connector type, and Lenovo specifications.

5. Does the package include a power cord?

Yes. The adapter includes an AC power cord.

6. Does it include safety protection?

Yes. It includes protection against over-voltage, over-current, overheating, overload, and short circuits.

Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W Conclusion

The Adapter for Lenovo IdeaPad S400 S415 Touch 20V 2A 40W is a dependable Lenovo power solution built for touchscreen IdeaPad laptops. With 20V output, 2A current, 40W power, 100–240V AC input, reliable connector design, and advanced safety protection, it delivers stable and efficient power for compatible Lenovo IdeaPad S400 and S415 Touch systems.