Your monitor is your window to the digital world, and keeping it safely powered requires the right equipment. The LG ADS-40FSG-19 AC/DC power adapter is a widely trusted external charger, specifically engineered to deliver stable power to a broad range of LG LED, LCD, and Flatron IPS monitors.

Whether you need to replace a lost power adapter or want a reliable backup, knowing its exact specifications and device compatibility ensures optimal performance while preventing any damage to your display.
Technical Specifications
The LG ADS-40FSG-19 charger is designed to meet global power standards, delivering precise and clean current to your device.
The core electrical and physical parameters include:
- Input Voltage: AC 100V–240V, 50–60Hz (for worldwide compatibility)
- Output Voltage: DC 19V
- Output Current: 1.3A or 1.7A (backward compatible with devices requiring less current, such as 1.2A)
- Total Power: 25W to 32.3W
- Connector Plug Size: 6.5 mm × 4.4 mm (featuring a distinctive cylindrical barrel plug with a smart pin inside)
Supported Models and Compatibility
The ADS-40FSG-19 is a highly versatile power supply suitable for a multitude of LG monitors, primarily supporting screen sizes ranging from 18 to 27 inches.
Compatible LG Monitor Series
- E Series: E1942, E1942C-BN, E1948S, E2242C, E2242C-BN, E2249
- IPS and EA Series: IPS224V, IPS224V-PN, IPS237L, IPS237LY, 22EA53VQ, 22EA53V-P, 23EA53, 23EA63V-P
- MP and EN Series: 24MP47HQ, 24M35DB, 24EN33TW, 27MP33HQ
- Other Supported Models: 23ET83V Touchscreen, W1947CY, E2351VZ, E2442TC, 25UW64
Interchangeable Part Numbers
This charger can safely replace or substitute several original LG power adapters, including the following model numbers:
- EAY62790006 / EAY62790012 / EAY62790015
- EAY62768606 / EAY62768607 / EAY62768609 / EAY62768621
- EAY62549201 / EAY62549202 / EAY62549304
- LCAP26-E / LCAP16A-E / LCAP16A-A
Important Buying and Safety Advice
- Check the Voltage: When replacing your LG monitor charger, always confirm that the output voltage is exactly 19V.
- Understand Amperage: It is completely safe to use a higher current adapter (for example, using a 1.7A charger on a 1.3A monitor) because the monitor will only draw the power it needs. However, you must never use an adapter with a lower current rating than your monitor requires.
Additionally, always double-check the physical connector tip to ensure it contains the necessary center pin, which is essential for stable power delivery and a secure connection.