Complete specifications for reference:
ADL230SLC3A ADL230SCC2A ADL230SDC3A ADL230NLC3A ADL230SCC3A ADL230NDC3A 4X20E75113 4X20E75124 4X20E75117 4X20E75122 4X20E75114 4X20E75120 4X20E75125 4X20E75112 4X20E75119 4X20E75111 4X20E75123 4X20E75116 4X20E75115 4X20E75118 4X20E75121 4X20S56717 4X20S56713 4X20S56726 4X20Z83991 4X20E7511 GX20Z46307 GX20L29347 SA10R16890 SA10E75804 SA10M42756 SA10E75805 SA10H28356 00HM626 00HM627 01FR046 01FR044 02DL144 02DL143 02DL142 00PC782 PA-1231-12LA

Product Description

Lenovo Legion 9 16IRX8 Type 83AG AC power adapter 330W Yellow Square – a high‑performance AC power adapter for laptops, ensuring stable and efficient charging.

Key specifications:

Wattage: 330W – must meet your laptop’s power requirement.
Voltage/Current: 20V 16.5A – voltage and current must exactly match original.
Connector Type: Yellow Square Slim Tip – check the barrel size or USB‑C type.
GaN Technology: No (traditional silicon) – GaN chargers are smaller and more efficient.
Model/PN: Legion 9 16IRX8 Type 83AG – verify against your original adapter.

Compatibility: Guaranteed to work with . Always match the voltage – using a different voltage can damage your laptop.

Usage tip: Place the adapter on a hard, ventilated surface. Avoid bending the DC cord sharply.

Warranty & Support: All products come with a 7‑day return policy and free technical support. If you have any compatibility questions, contact our team at info@pcspare.com.

SKU: LT-10028556 | Last updated: 2026-09-18 10:11:39

Internal Structure Diagram Search and view the internal structure of this part

Frequently Asked Questions & Solutions

AC Adapter – Frequently Asked Questions

What are the output specifications of this adapter?

Wattage: 330W | Voltage/Current: 20V 16.5A | Connector: Yellow Square Slim Tip

These specifications must match your laptop's original adapter to ensure safe and stable power delivery. Using an adapter with incorrect voltage or current can damage your device or cause it to malfunction.

Which laptop models is this adapter compatible with?

This adapter is designed for laptops that require 330W and use a Yellow Square Slim Tip connector. It is compatible with models listed in our product description. Please check the part number (Legion 9 16IRX8 Type 83AG) against your original adapter – if they match or are listed as compatible, it will work.

Important: Even if the connector fits, the voltage must match exactly (e.g., 19V vs 20V). Using a different voltage can permanently damage the motherboard.

What connector type does this adapter have, and how do I check polarity?

This adapter uses a Yellow Square Slim Tip connector. Common types include:

Barrel (round) connectors – have inner and outer diameters (e.g., 5.5mm x 2.5mm). The centre pin is usually positive (+), and the outer barrel is negative (-), but some brands reverse this.
USB Type-C – the standardised connector for modern laptops; polarity is managed internally and is not user‑adjustable.

Always verify the polarity of your original adapter before connecting. If the polarity is reversed, the laptop will not power on, and the protection circuit may be triggered (or in worst case, damage the system board).

What should I pay attention to when using this AC adapter?

Input voltage range: Most adapters accept 100‑240V AC, 50/60 Hz – check the label for your region.
Heat dissipation: Place the adapter on a hard, well‑ventilated surface; do not cover it with cloth or paper.
Cable management: Avoid bending the DC output cord sharply near the connector – this can break internal wires.
Physical damage: Inspect the plug and cable for cracks or exposed wires before each use.

What if the laptop does not charge or power on with this adapter?

Check connection: Ensure the plug is fully inserted into the laptop and the wall outlet.
Check LED indicator: Most adapters have an LED – if it is off, the wall outlet may be faulty.
Verify specifications: Compare the output voltage and current with your original adapter – they must be identical.
Test with another device: If possible, try the adapter on a compatible laptop to isolate the issue.
Reset the laptop: Unplug the adapter, remove the battery (if removable), hold the power button for 15 seconds, reconnect and try again.

If none of the above works, the adapter may be incompatible or defective – contact our support for assistance.

Quick Tip

Always use the original adapter or a certified replacement. An undersized adapter (lower wattage) may cause the laptop to throttle performance or fail to charge while under load. Over‑sized adapters (higher wattage) are generally safe, as the laptop draws only the current it needs – but voltage must still match exactly.

Lenovo Installation Guide Video

Lenovo Legion 9 16IRX8 Type 83AG AC power adapter 330W Yellow Square