{"title":"2 x AA Battery Holder with Knife Switch","handle":"2-x-aa-battery-holder-with-knife-switch","url":"/products/2-x-aa-battery-holder-with-knife-switch","description":"A 2×AA battery holder with a built-in knife switch for controlling power. Unlike typical slide switches, the knife switch provides a clear visual indicator of open and closed circuit states — making it an excellent tool for teaching basic electronics and circuit concepts.\n\nThe holder takes two AA batteries in series for 3V nominal output, with bare wire leads for easy connection to breadboards, alligator clips, or soldered connections.\n\nKey Features\n\n\nKnife Switch – Visual open/closed circuit control, great for education\n\n2×AA Series Configuration – 3V nominal output\n\nWire Leads – Bare wire ends for flexible connection options\n\nCompact Design – Classic Adafruit black finish\n\n\nIdeal For\n\nTeaching open and closed circuits in the classroom\nSTEM education and science fair projects\nSimple electronics projects and prototyping\nPortable battery-powered builds\n\n\nPackage Contents\n\n1× 2×AA Battery Holder with Knife Switch\n\n\n\nNote: AA batteries are not included.\n","vendor":"Adafruit","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":6121,"title":"Default Title","sku":"AF-3951","price":1.85,"on_sale":false,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}