{"title":"30 Piece 5.5 / 2.1mm to DC Barrel Jack Adapter Kit","handle":"30-piece-5-5-2-1mm-to-dc-barrel-jack-adapter-kit","url":"/products/30-piece-5-5-2-1mm-to-dc-barrel-jack-adapter-kit","description":"A comprehensive set of 30 barrel jack plug adapters that convert a standard 5.5mm / 2.1mm DC jack to a wide variety of other tip sizes. Perfect for powering devices that use non-standard barrel connectors from your existing DC power supplies, USB-C to DC cables, or battery packs.\n\nEach adapter plugs smoothly into a 5.5mm / 2.1mm jack and provides a different sized tip. No voltage translation is performed — ensure your device expects the voltage and current capability of your power supply. Polarity is preserved (centre-positive in, centre-positive out).\n\nKey Features\n\n\n30 Different Adapters – Wide range of tip sizes for maximum compatibility\n\nStandard 5.5/2.1mm Input – Works with common DC wall adapters and battery holders\n\nPolarity Preserved – Centre-positive input remains centre-positive at the tip\n\nIncludes Laptop Tips – Adapters for Lenovo (round and rectangular) and Dell laptop connectors\n\n\nIncluded Adapter Sizes\n\n2.0 × 0.5mm\n3.5 × 1.1mm\n2.35mm\n2.5mm\n2.5mm (phono jack)\n3.5mm (phono jack)\n3.0 × 1.1mm\n4.8mm\n3.5 × 1.2mm\n4.0 × 1.7mm (inner spring tip)\n4.8 × 1.7mm (inner spring tip)\n5.0mm\n5.5 × 2.5mm\n5.5 × 2.1mm (inner spring tip)\n7.9mm (Lenovo round type)\n7.4mm\nDell three-contact type\n5.5 × 1.9mm\n6.0mm (with centre contact pin)\n6.3mm\n5.5 × 2.5mm\n5.5 × 2.5mm (inner spring tip)\n5.5 × 2.1mm\n5.5 × 2.1mm (inner spring tip)\n5.5 × 1.5mm\n5.5 × 1.7mm (inner spring tip)\n5.0 × 2.1mm\n5.0 × 2.5mm\n4.5mm\nLenovo large rectangular type\n\n\nIdeal For\n\nPowering devices with non-standard DC barrel connectors\nElectronics workshops and repair benches\nMatching power supplies to legacy or uncommon equipment\n\n\nPackage Contents\n\n30× DC barrel jack plug adapters (various sizes)\n\n\n\nNote: These adapters do not convert voltage — ensure your power supply output matches the voltage and current requirements of the device being powered.\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":1967,"title":"Default Title","sku":"AF-5474","price":29.28,"on_sale":false,"in_stock":true,"available_quantity":29,"option1":"Default Title"}]}