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Black rectangular AC adapter with integrated power cord and barrel connector

BASEUS

BASEUS AC adapter for LG monitors 19-34 inch ADS-25FSG-19 ADS-40FSG

SKU CH-YJG9-ZQ3GS

Powers LG monitors from 19 to 34 inches with 19V 2.53A output and multiple protection features

  • TypeAC Adapters
  • Compatible with LG monitors from 19 to 34 inch
  • Powers multiple LG UltraWide and 4K UHD models
  • Certified to UL, CE, FCC and RoHS safety standards
  • Built-in over-voltage, over-current and short-circuit protection
  • Wide 100-240 V input works worldwide

Replacement AC Adapter for LG Monitors

This BASEUS power supply replaces the original ADS-25FSG-19 and ADS-40FSG units for LG displays ranging from 19 to 34 inches. It supports UltraWide, IPS, curved, 4K and UHD models including the 34UM69G-B, 34UC79G, 34UC99-W and 32UD99. The adapter delivers 19V at up to 2.53A and covers lower current variants such as 1.3A, 1.7A and 2.1A for broad compatibility.

Certified Safety and Thermal Protection

The unit carries UL, CE, FCC and RoHS certifications with a unique UL listing authorised by OSHA. It uses V-0 grade flame-retardant materials and integrates over-voltage, over-current and short-circuit protection to safeguard the monitor during daily operation. Input voltage spans 100-240V at 50-60Hz for worldwide use without a separate transformer.

Fixed Cable Design for Direct Connection

A permanently attached output cord ends in the barrel plug required by the listed LG monitors, eliminating the need for a separate cable or tip selection. The fixed lead simplifies cable routing behind the display and reduces connector wear over time. Buyers who need a detachable IEC inlet or a different plug diameter should verify the tip size before ordering.

Highlights

  • Compatible with LG monitors from 19 to 34 inch
  • Powers multiple LG UltraWide and 4K UHD models
  • Certified to UL, CE, FCC and RoHS safety standards
  • Built-in over-voltage, over-current and short-circuit protection
  • Wide 100-240 V input works worldwide

Specifications

TypeAC Adapters

Questions about this item

How do I connect the 19 V 2.53 A adapter to my LG 34UC79G monitor?

Match the barrel connector to the monitor DC input, attach the supplied IEC mains lead to the adapter body, then plug the lead into a 100-240 V 50-60 Hz socket.

What component will need attention first on the ADS-25FSG-19 unit?

The internal electrolytic capacitors age with heat cycles; after several years of daily use they lose capacitance and the adapter may shut down under load.

Which protection limit activates first during a long gaming session on a 34UM69G-B?

Over-temperature protection trips before over-current or over-voltage, cutting output until the V-0 flame-retardant enclosure cools.

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