40W 19V 2.1A AC Power Adapter Laptop Charger, 4.8x1.7mm DC Tip Replacement Power Supply Compatible with Chicony A13-040N3A A040R074L A12-040N2A Notebook Charger

This 40W 19V 2.1A laptop AC adapter is a reliable replacement charger matching Chicony original models A13-040N3A, A040R074L and A12-040N2A. It delivers stable constant voltage and current to meet daily power supply and charging demands of compatible thin-and-light laptops, eliminating issues like slow charging, screen flickering and unexpected shutdown caused by mismatched power sources.

Equipped with a precise 4.8x1.7mm DC inner positive connector, the plug fits the laptop power port snugly to avoid intermittent power cuts during long-time operation. The adapter adopts global wide AC input ranging from 100V to 240V, which automatically adapts to different regional household power grids without extra voltage converters, suitable for daily office, home use and cross-region travel.

Built-in intelligent all-round safety protection circuits effectively prevent overvoltage, overcurrent, high temperature and short-circuit risks. The adapter will automatically cut off power output once abnormal working conditions are detected, fully protecting your laptop motherboard and built-in battery from burnout damage to extend device service life.

Constructed with premium flame-retardant ABS shell, the outer casing provides efficient heat insulation and low operating noise even under all-day continuous load. Its slim mini size takes little space on desks and fits easily into laptop backpacks, serving as an ideal spare backup charger for school, business trips and travel.

Plug-and-play design requires no complicated driver installation. Simply connect the adapter to a wall outlet and link the DC plug to your laptop to start stable charging instantly. Every unit undergoes strict factory aging and stability testing to guarantee consistent long-term safe performance.

Package Includes: 1 x 19V 2.1A 40W AC Laptop Power Adapter, 1 x AC Wall Power Cord