About this item Primary 7.4×5.0 Cable + 4.5×3.0 Adapter Included The chargers DC cable ends in 7.4×5.0 (large barrel), and we include a 4.5×3.0 (small blue-tip) adapter in the box. Swap the tip to match your laptop. Laptop-Style 19.5V, Up to 90W 19.5V4.62A (90W) output, 100240V global input; center-pin power ID for stable, recognized charging. Ideal office spare or travel backup. Wide Compatibility (Non-USB-C only) For laptops that use 7.4×5.0 or 4.5×3.0 barrel ports (see matrix below). Covers popular models within similar families. Safe & Reliable Multi-protect (over-voltage/current/temp, short-circuit); efficient conversion keeps charging cooler and steadier. Confident for long work sessions and overnight hotel charging. Important Notes Not for USB-C models; check your laptops DC port size before purchase. Size: 7.44 x 5 x 1.89 inches.