Astrum CL640 90W Laptop Charger for Lenovo 20V 4.5A AC Adapter with 7.9 × 5.5mm Pin, Smart IC & Flame Retardant Housing Black SKU: A90564-B
The Astrum CL640 Laptop Charger is a high-performance 90W AC adapter designed specifically for Lenovo laptops, delivering a stable 20V 4.5A output for optimal performance. Featuring a 7.9 × 5.5mm pin connector, it ensures a secure and snug fit across a wide range of Lenovo notebook models.
Built with fireproof 94 V-0 grade plastic, the CL640 offers enhanced safety and long-term durability. Its integrated Smart IC technology intelligently regulates power flow, protecting your device from overcharging, short circuits, and voltage fluctuations.
Compact and lightweight, this charger is ideal for both home and office use. Whether you're replacing a lost adapter or need a dependable backup, the CL640 delivers consistent power with peace of mind.
Key Features
⚡ 90W Power Output – Fast and stable charging for Lenovo laptops
🔌 20V 4.5A Output – Optimized voltage for efficient performance
📎 7.9 × 5.5mm Pin Connector – Secure fit for Lenovo notebook series
🧠 Smart IC Technology – Auto-regulates power and protects your device
🔥 Flame-Retardant V-0 Grade Housing – Built for safety and durability
🧳 Compact & Portable Design – Ideal for travel, home, or office use
🕒 12-Month Manufacturer Warranty – Trusted long-term performance
Technical Specifications
Feature Details
SKU A90564-B
Product Code CL640
Compatibility Lenovo Laptops
Input Voltage 100–240V AC / 1.8A / 50–60Hz
Output Voltage 20V DC
Output Current 4.5A
Power Output 90W
Connector Type 7.9 × 5.5mm
Material Flame-retardant 94 V-0 grade plastic
Dimensions (L × W × H) 132 × 57 × 31 mm
Net Weight Approx. 250g
Warranty 12 Months Limited Manufacturer Warranty
What’s Included
1 × Astrum CL640 Laptop Charger – Black
1 × Power Cord
1 × User Manual
Ideal Use Cases
💻 Reliable charging for Lenovo laptops at home or office
🧳 Travel-friendly backup adapter for professionals and students
🔧 Replacement charger for Lenovo ThinkPad, IdeaPad, and compatible notebook models