Description

135W Lenovo Compatible Laptop Adapter (20V, 6.75A) – 7.9mm × 5.5mm Big Pin

Robust replacement adapter designed for Lenovo ThinkPad laptops and mobile workstations requiring 135 W power and a 7.9 mm √ó 5.5 mm big-pin connector. Ideal for high-performance models in the T, W series and other business notebooks.

135W Power 7.9√ó5.5mm Big Pin Stable Charging 1-Year Warranty

Technical Specifications

Output:
20V — 6.75A (135W)

Pin Size:
7.9mm √ó 5.5mm (Big Pin)

Input Voltage:
100–240V AC

Build Quality:
Heavy-duty cable & housing

Protection:
OVP / OCP / SCP Multi-layer Safety

Warranty:
1 Year Replacement

Key Advantages

High-Performance 135W Output

Delivers reliable power for demanding Lenovo ThinkPad business notebooks, mobile workstations and pro use.

Large 7.9√ó5.5mm Big Pin Connector

Ensures a secure fit and optimal power delivery for compatible Lenovo systems.

Advanced Safety Protection

Protects your laptop with built-in circuits against over-voltage, short-circuit and overload.

Efficient Thermal Design

Operates with minimal heat during extended workloads and professional usage.

Compatibility

Perfect for Lenovo systems requiring 20V/6.75A with a 7.9mm √ó 5.5mm Big Pin connector. Includes many Lenovo ThinkPad models such as:

Lenovo Series	Supported Models
ThinkPad T5xx / T4xx Series	T400s, T410, T410i, T410s, T410si, T420, T420s, T430, T430i, T430s, T510, T510i, T520, T520i, T530, T530i
ThinkPad W / Mobile Workstations	W500, W510
ThinkPad T500 / T530 / T510 etc.	ThinkPad T500, ThinkPad T530, ThinkPad W510, ThinkPad T520, ThinkPad W500, ThinkPad T510

What's Inside the Box

• 1 √ó Lenovo Compatible 135W Big Pin Adapter

Installation & Safety Tips

• Ensure your laptop uses 20V/6.75A and the 7.9 mm √ó 5.5 mm Big Pin connector before use.
• Avoid bending or twisting the power cable near the connector.
• Keep the adapter ventilated; avoid covering it while in use.

Frequently Asked Questions

Can I use this adapter for my ThinkPad T530 or T520?

Yes — this adapter supports T530, T530i, T520, T520i models using the 20V/6.75A with 7.9×5.5mm connector.

Will it support mobile workstation usage?

Yes, the 135W output and Big Pin design allow for heavier workloads with suitable Lenovo systems.

Is there warranty included?

Yes — the product includes a 1-year replacement warranty.