{"title":"5V 4A (4000mA) switching power supply - UL Listed","handle":"5v-4a-4000ma-switching-power-supply-ul-listed","url":"/products/5v-4a-4000ma-switching-power-supply-ul-listed","description":"This UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 4A (4,000mA / 20W) via a standard 5.5×2.1mm centre-positive DC barrel jack. It accepts 110–240V AC input and is ideal for powering LED matrices, NeoPixel strips, and other high-current 5V projects.\n\nKey Features\n\n\nOutput – 5V DC at up to 4A (20W)\n\nConnector – 5.5mm OD / 2.1mm ID centre-positive DC barrel jack\n\nInput – 110–240V AC (universal)\n\nCertifications – FCC, CE, UL listed\n\nStable Output – Minimal voltage droop at high currents\n\n\nCompatible Accessories\n\n2.1mm Barrel Jack Extension Cable (1.5m)\nBreadboard-Friendly 2.1mm DC Barrel Jack\n2.1mm DC Barrel Jack to Alligator Clips\n4-Way 2.1mm DC Barrel Jack Splitter\n\n\nIdeal For\n\nRGB LED matrices and NeoPixel projects\nAddressable LED strips (WS2812B, LPD8806, etc.)\nHigh-current 5V devices and multi-motor setups\n\n\nPackage Contents\n\n1× 5V 4A Switching Power Supply (US plug, 5.5×2.1mm DC barrel jack)\n\n\n\nImportant: This supply ships with a US 2-prong plug. A plug adapter or replacement figure-8 (IEC C7) cable is required for use in Australia.\n\n\n\nNote: This supply is not suitable for powering an Arduino via its DC jack, as the Arduino's onboard regulator requires at least 7.5V input.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":8021,"title":"Default Title","sku":"AF-1466","price":30.05,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}