{"title":"2.1mm DC Barrel Jack to 1st Generation MagSafe Adapter","handle":"2-1mm-dc-barrel-jack-to-1st-generation-magsafe-adapter","url":"/products/2-1mm-dc-barrel-jack-to-1st-generation-magsafe-adapter","description":"A passive adapter with a 1st-generation MagSafe plug on one end and a 5.5 mm / 2.1 mm DC barrel jack (centre-positive) on the other. It lets you connect a 15–20 VDC barrel-jack power supply to devices that use the original MagSafe connector — useful for bench testing, custom power setups, or replacing a lost charger with a compatible DC supply.\n\nKey Features\n\n\n1st-Gen MagSafe Plug – Fits original MacBook, MacBook Pro, and MacBook Air MagSafe 1 ports\n\n5.5 / 2.1 mm Barrel Jack – Centre-positive polarity, accepts standard DC supplies\n\nPassive Adapter – Straight-through connection with no active circuitry\n\n\n\nWarning: This adapter contains no voltage regulator or protection circuit. An incorrect power supply, wrong polarity, or wrong voltage can permanently damage your laptop. Use a multimeter to verify the correct voltage on the MagSafe pins before connecting to any device. Recommended for experienced users only.\n\n\nIdeal For\n\nPowering 1st-gen MagSafe devices from a bench DC supply\nCustom charging setups where the original charger is unavailable\nElectronics prototyping and testing\n\n\nPackage Contents\n\n1× 2.1 mm DC Barrel Jack to 1st-Gen MagSafe Adapter\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3007,"title":"Default Title","sku":"AF-3546","price":14.63,"on_sale":false,"in_stock":true,"available_quantity":33,"option1":"Default Title"}]}