The Astrum CL640 Laptop Charger is a high‑performance 90W AC adapter engineered for Lenovo laptops, delivering a stable 20V 4.5A output for efficient charging and reliable performance. Its 7.9 × 5.5mm pin connector ensures a secure fit across Lenovo ThinkPad, IdeaPad, and other compatible notebook models. Crafted from fireproof 94‑V0 grade housing, the CL640 provides enhanced safety and durability. Integrated Smart IC technology intelligently regulates power flow, protecting your device from overcharging, short circuits, and voltage fluctuations. Compact and lightweight at just 250g, this charger is perfect for home, office, or travel use. Whether you’re replacing a lost adapter or need a dependable backup, the CL640 delivers consistent power with peace of mind. Technical Specifications: Model / SKU: CL640 (A90564‑B) Compatibility: Lenovo laptops (ThinkPad, IdeaPad, etc.) 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‑V0 grade plastic Dimensions: 132 × 57 × 31 mm Net Weight: ~250g Color: Black Warranty: 12 months manufacturer warranty What’s Included 1× Astrum CL640 Laptop Charger (Black) 1× Power Cord User Manual