About this item 45W Power Adapter with 4.5×3.0mm Tip Output: 19.5V 2.31A. Designed for laptops using the blue 4.5mm × 3.0mm barrel connector. Thin barrel with center-pin identification for reliable detection. Not 7.4×5.0; not USB-C/Type-C. Wide input range 100240V for global use. Compatible with Various Laptop Models Popular compatible models include ProBook 455 G3G6, 435 G7/G8, ProBook 11 G1/G2; Pavilion 15 families; Notebook 15; ENVY x360 13/15; Stream 11; earlier Chromebook 14 (barrel versions). Compact & Reliable Charging Stable power supply with built-in safeguards against overvoltage, short-circuit, and overheating. Ensures your notebook stays safe and powered. Made for Everyday Life Whether youre studying at school, working remotely, or catching up on movies at a café, this lightweight charger fits easily into any bag or briefcase. Package Includes 1× 45W Laptop Charger (4.5mm tip), 1× Cloverleaf AC Power Cord. Ideal for travel, home, or office use. Product dimensions: 8.98 x 6.