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.