{"wikiid":27815,"langid":"en","namespace":"CATEGORY","title":"GravityLight","revisionid":1151078,"contents_raw":"== Background ==\n\nThe GravityLight is a gravity generated light source that involves the movement of weights to power a LED bulb. The device attaches to the ceiling with a large zip tie. The product itself weighs [link|https:\/\/www.deciwatt.org|.8Kg and has a power output of 124 mW]. Light is created by filling two bags with an unequal distribution of weight, the heavier bag is then lifted into the air and slowly turns the motor during its descent. The heavier bag should weigh 8kg to 12kg and the lighter bag should weigh .5kg to 1 kg. The bags of weights can be filled with almost any substance. Changing the height of the weights recharges the GravityLight. Martin Riddiford and Jim Reeves created the GravityLight to provide an [link|https:\/\/www.indiegogo.com\/projects\/gravitylight-lighting-for-developing-countries|environmentally friendly lamp for developing countries]. The GravityLight should be on the commercial market in 2015.\n\n== Identification ==\n\nThis device model is GL01, and [link|http:\/\/en.wikipedia.org\/wiki\/GravityLight|is a trial model]. Looking at the front of the device you see the white external casing; a dark grey dial at the top; a clear LED below the dial; the dark grey mounting post on the top right; and if you turn the device, a DC socket in the back.\n\n== Additional Information ==\n\n[link|http:\/\/deciwatt.org|DeciWatt: GravityLight]\n\n[link|http:\/\/en.wikipedia.org\/wiki\/GravityLight|Wikipedia: GravityLight]\n\n[link|https:\/\/www.indiegogo.com\/projects\/gravitylight-lighting-for-developing-countries|IndieGoGo: GravityLight]\n\n[link|https:\/\/www.youtube.com\/watch?v=QX32yQgybaw|YouTube: GravityLight]\n\n[link|https:\/\/www.amazon.com\/GravityLight-GL02-Portable-Self-Powered\/dp\/B01M7SM0KE\/ref=sr_1_1?s=electronics&ie=UTF8&qid=1504850459&sr=8-1&keywords=gravity+light|Amazon Product Page]","contents_json":{"type":"doc","content":[{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Background"}]},{"type":"paragraph","content":[{"type":"text","text":"The GravityLight is a gravity generated light source that involves the movement of weights to power a LED bulb. The device attaches to the ceiling with a large zip tie. The product itself weighs "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.deciwatt.org","target":false}}],"text":".8Kg and has a power output of 124 mW"},{"type":"text","text":". Light is created by filling two bags with an unequal distribution of weight, the heavier bag is then lifted into the air and slowly turns the motor during its descent. The heavier bag should weigh 8kg to 12kg and the lighter bag should weigh .5kg to 1 kg. The bags of weights can be filled with almost any substance. Changing the height of the weights recharges the GravityLight. Martin Riddiford and Jim Reeves created the GravityLight to provide an "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.indiegogo.com\/projects\/gravitylight-lighting-for-developing-countries","target":false}}],"text":"environmentally friendly lamp for developing countries"},{"type":"text","text":". The GravityLight should be on the commercial market in 2015."}]},{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Identification"}]},{"type":"paragraph","content":[{"type":"text","text":"This device model is GL01, and "},{"type":"text","marks":[{"type":"link","attrs":{"href":"http:\/\/en.wikipedia.org\/wiki\/GravityLight","target":false}}],"text":"is a trial model"},{"type":"text","text":". Looking at the front of the device you see the white external casing; a dark grey dial at the top; a clear LED below the dial; the dark grey mounting post on the top right; and if you turn the device, a DC socket in the back."}]},{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Additional Information"}]},{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"http:\/\/deciwatt.org","target":false}}],"text":"DeciWatt: GravityLight"}]},{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"http:\/\/en.wikipedia.org\/wiki\/GravityLight","target":false}}],"text":"Wikipedia: GravityLight"}]},{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.indiegogo.com\/projects\/gravitylight-lighting-for-developing-countries","target":false}}],"text":"IndieGoGo: GravityLight"}]},{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.youtube.com\/watch?v=QX32yQgybaw","target":false}}],"text":"YouTube: GravityLight"}]},{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.amazon.com\/GravityLight-GL02-Portable-Self-Powered\/dp\/B01M7SM0KE\/ref=sr_1_1?s=electronics&ie=UTF8&qid=1504850459&sr=8-1&keywords=gravity+light","target":false}}],"text":"Amazon Product Page"}]}]},"contents_rendered":"<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Background\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Background\" class=\"header\">Background<\/h2><\/div>\n\n<p>The GravityLight is a gravity generated light source that involves the movement of weights to power a LED bulb. The device attaches to the ceiling with a large zip tie. The product itself weighs <a href=\"https:\/\/www.deciwatt.org\" rel=\"nofollow noopener noreferrer\">.8Kg and has a power output of 124 mW<\/a>. Light is created by filling two bags with an unequal distribution of weight, the heavier bag is then lifted into the air and slowly turns the motor during its descent. The heavier bag should weigh 8kg to 12kg and the lighter bag should weigh .5kg to 1 kg. The bags of weights can be filled with almost any substance. Changing the height of the weights recharges the GravityLight. Martin Riddiford and Jim Reeves created the GravityLight to provide an <a href=\"https:\/\/www.indiegogo.com\/projects\/gravitylight-lighting-for-developing-countries\" rel=\"nofollow noopener noreferrer\">environmentally friendly lamp for developing countries<\/a>. The GravityLight should be on the commercial market in 2015.<\/p>\n\n<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Identification\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Identification\" class=\"header\">Identification<\/h2><\/div>\n\n<p>This device model is GL01, and <a href=\"http:\/\/en.wikipedia.org\/wiki\/GravityLight\">is a trial model<\/a>. Looking at the front of the device you see the white external casing; a dark grey dial at the top; a clear LED below the dial; the dark grey mounting post on the top right; and if you turn the device, a DC socket in the back.<\/p>\n\n<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Additional_Information\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Additional_Information\" class=\"header\">Additional Information<\/h2><\/div>\n\n<p><a href=\"http:\/\/deciwatt.org\" rel=\"nofollow noopener noreferrer\">DeciWatt: GravityLight<\/a><\/p>\n\n<p><a href=\"http:\/\/en.wikipedia.org\/wiki\/GravityLight\">Wikipedia: GravityLight<\/a><\/p>\n\n<p><a href=\"https:\/\/www.indiegogo.com\/projects\/gravitylight-lighting-for-developing-countries\" rel=\"nofollow noopener noreferrer\">IndieGoGo: GravityLight<\/a><\/p>\n\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=QX32yQgybaw\">YouTube: GravityLight<\/a><\/p>\n\n<p><a href=\"https:\/\/www.amazon.com\/GravityLight-GL02-Portable-Self-Powered\/dp\/B01M7SM0KE\/ref=sr_1_1?s=electronics&amp;ie=UTF8&amp;qid=1504850459&amp;sr=8-1&amp;keywords=gravity%2Blight&amp;tag=ifixitam-20\" rel=\"nofollow noopener noreferrer\">Amazon Product Page<\/a><\/p>","linked_wikis":[],"can_edit":true,"available_langids":["en","de","es","fr","it","jp","ko","nl","pt","ru","tr","zh"],"ancestors":[{"dataType":"wiki","wikiid":14858,"langid":"en","title":"Lighting","display_title":"Lighting","namespace":"CATEGORY","summary":"Repair and installation information for light bulbs, fixtures, and flashlights.","url":"https:\/\/www.ifixit.com\/Device\/Lighting","text":"Repair and installation information for light bulbs, fixtures, and flashlights.","image":{"id":3092318,"guid":"4OiGIaDX1FiOkTeu","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/4OiGIaDX1FiOkTeu.full"},"modified_date":1791681946,"author":104104},{"dataType":"wiki","wikiid":783,"langid":"en","title":"Household","display_title":"Household","namespace":"CATEGORY","summary":"DIY guides for many household repairs, ranging from furniture to plumbing solutions.","url":"https:\/\/www.ifixit.com\/Device\/Household","text":"DIY guides for many household repairs, ranging from furniture to plumbing solutions.","image":{"id":3076820,"guid":"IbYeQcWW16qkPfWE","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.full"},"modified_date":1792688696,"author":17},{"dataType":"wiki","wikiid":11000,"langid":"en","title":"Root","display_title":"Root","namespace":"CATEGORY","summary":"","url":"https:\/\/www.ifixit.com\/Device\/Root","text":"Repair guides, manuals, and troubleshooting help for Root. Get everything you need to repair your Root yourself.","image":{"id":243440,"guid":"bhofAWyrmGwRFlak","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.large","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/bhofAWyrmGwRFlak.full"},"modified_date":1705097689,"author":1}],"created_date":1413133642,"modified_date":1704821437,"is_troubleshooting":false,"authors":[{"userid":977585,"percent":10,"username":"Anthony Jungquist","avatar_url":"https:\/\/assets.cdn.ifixit.com\/static\/images\/avatars\/User\/ifixit\/avatar-4.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/977585\/Anthony+Jungquist"},{"userid":668072,"percent":25,"username":"Jeff Suovanen","avatar_url":"https:\/\/guide-images.cdn.ifixit.com\/igi\/uYn4Ihpxm4PJCBrU.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/668072\/Jeff+Suovanen"},{"userid":977584,"percent":20,"username":"Jamie Forslin","avatar_url":"https:\/\/assets.cdn.ifixit.com\/static\/images\/avatars\/User\/ifixit\/avatar-6.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/977584\/Jamie+Forslin"},{"userid":977586,"percent":20,"username":"Brian Gouldsberry","avatar_url":"https:\/\/assets.cdn.ifixit.com\/static\/images\/avatars\/User\/ifixit\/avatar-2.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/977586\/Brian+Gouldsberry"},{"userid":1020837,"percent":10,"username":"Kristen Gismondi","avatar_url":"https:\/\/guide-images.cdn.ifixit.com\/igi\/BCARRlVWyqbrI13Z.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/1020837\/Kristen+Gismondi"},{"userid":977592,"percent":5,"username":"Michallynn Hoffman","avatar_url":"https:\/\/assets.cdn.ifixit.com\/static\/images\/avatars\/User\/ifixit\/avatar-2.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/977592\/Michallynn+Hoffman"},{"userid":1338065,"percent":5,"username":"Marty Rippens","avatar_url":"https:\/\/guide-images.cdn.ifixit.com\/igi\/dCvo3H5kbfUiE1Sx.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/1338065\/Marty+Rippens"},{"userid":1,"percent":5,"username":"iRobot","avatar_url":"https:\/\/guide-images.cdn.ifixit.com\/igi\/AjiayMD6LWqf5FAL.thumbnail","profile_url":"https:\/\/www.ifixit.com\/User\/1\/iRobot"}],"tags":[],"unreviewed_machine_translation":false,"flags":[],"image":{"id":399688,"guid":"Fo2qpOsUSjVFdkpW","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.full"},"documents":[],"author":977585,"display_title":"GravityLight","page_title":"GravityLight Repair","description":"The GravityLight is a gravity generated light source that involves the movement of weights to power a LED bulb.","children":[],"category_lists":{},"featured_guides":[{"dataType":"guide","guideid":30561,"locale":"en","revisionid":519017,"modified_date":1421094816,"prereq_modified_date":1418169896,"url":"https:\/\/www.ifixit.com\/Guide\/GravityLight+Internal+Gears+Replacement\/30561","type":"replacement","category":"GravityLight","subject":"Internal Gears","title":"GravityLight Internal Gears Replacement","summary":"If the bag of rocks is not moving due to an...","difficulty":"Moderate","time_required_max":600,"public":true,"userid":977592,"username":"Michallynn Hoffman","flags":["GUIDE_FEATURED_STUDENT"],"image":{"id":405575,"guid":"ARoUqAUURZnCGVlc","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.full"}}],"guides":[{"dataType":"guide","guideid":30897,"locale":"en","revisionid":512401,"modified_date":1418169820,"prereq_modified_date":1418169896,"url":"https:\/\/www.ifixit.com\/Guide\/Disassembling+GravityLight+Back+Panel\/30897","type":"replacement","category":"GravityLight","subject":"Back Panel","title":"Disassembling GravityLight Back Panel","summary":"","difficulty":"Easy","time_required_max":600,"public":true,"userid":977586,"username":"Brian Gouldsberry","flags":["GUIDE_PREREQ_ONLY"],"image":{"id":410393,"guid":"MyDfp3Qhx5q1OFZj","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/MyDfp3Qhx5q1OFZj.full"}},{"dataType":"guide","guideid":30377,"locale":"en","revisionid":529997,"modified_date":1421094806,"prereq_modified_date":1418169896,"url":"https:\/\/www.ifixit.com\/Guide\/GravityLight+Dial+Replacement\/30377","type":"replacement","category":"GravityLight","subject":"Dial","title":"GravityLight Dial Replacement","summary":"If the dial is stuck, then you will need to...","difficulty":"Easy","time_required_max":600,"public":true,"userid":977592,"username":"Michallynn Hoffman","flags":[],"image":{"id":410402,"guid":"YfUcgnYGAeILlLwt","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/YfUcgnYGAeILlLwt.full"}},{"dataType":"guide","guideid":30558,"locale":"en","revisionid":510804,"modified_date":1418169896,"prereq_modified_date":0,"url":"https:\/\/www.ifixit.com\/Guide\/Disassembling+GravityLight+Front+Panel\/30558","type":"disassembly","category":"GravityLight","subject":"Front Panel","title":"Disassembling GravityLight Front Panel","summary":"","difficulty":"Easy","time_required_max":300,"public":true,"userid":977592,"username":"Michallynn Hoffman","flags":["GUIDE_PREREQ_ONLY"],"image":{"id":410385,"guid":"h1PpbkF4ao2EIfoX","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/h1PpbkF4ao2EIfoX.full"}},{"dataType":"guide","guideid":30561,"locale":"en","revisionid":519017,"modified_date":1421094816,"prereq_modified_date":1418169896,"url":"https:\/\/www.ifixit.com\/Guide\/GravityLight+Internal+Gears+Replacement\/30561","type":"replacement","category":"GravityLight","subject":"Internal Gears","title":"GravityLight Internal Gears Replacement","summary":"If the bag of rocks is not moving due to an...","difficulty":"Moderate","time_required_max":600,"public":true,"userid":977592,"username":"Michallynn Hoffman","flags":["GUIDE_FEATURED_STUDENT"],"image":{"id":405575,"guid":"ARoUqAUURZnCGVlc","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/ARoUqAUURZnCGVlc.full"}},{"dataType":"guide","guideid":30893,"locale":"en","revisionid":1617637,"modified_date":1785556101,"prereq_modified_date":1418169896,"url":"https:\/\/www.ifixit.com\/Guide\/GravityLight+LED+Replacement\/30893","type":"replacement","category":"GravityLight","subject":"LED","title":"GravityLight LED Replacement","summary":"If the white LED light will not turn on, then...","difficulty":"Difficult","time_required_max":1200,"public":true,"userid":977586,"username":"Brian Gouldsberry","flags":[],"image":{"id":432694,"guid":"Hx1XlixWhoMhciJX","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Hx1XlixWhoMhciJX.full"}},{"dataType":"guide","guideid":30798,"locale":"en","revisionid":530220,"modified_date":1421094833,"prereq_modified_date":1418169896,"url":"https:\/\/www.ifixit.com\/Guide\/GravityLight+Motor+Replacement\/30798","type":"replacement","category":"GravityLight","subject":"Motor","title":"GravityLight Motor Replacement","summary":"If the white LED won't light up it may be an...","difficulty":"Difficult","time_required_max":1200,"public":true,"userid":977585,"username":"Anthony Jungquist","flags":[],"image":{"id":409175,"guid":"3vuFQiXoeZuRRfBG","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/3vuFQiXoeZuRRfBG.full"}},{"dataType":"guide","guideid":30796,"locale":"en","revisionid":1627148,"modified_date":1785556093,"prereq_modified_date":1418169896,"url":"https:\/\/www.ifixit.com\/Guide\/GravityLight+Mounting+Post+Replacement+and+Spring+Replacement\/30796","type":"replacement","category":"GravityLight","subject":"Mounting Post and Spring Replacement","title":"GravityLight Mounting Post Replacement and Spring Replacement","summary":"To remove the mounting post, you must take out...","difficulty":"Easy","time_required_max":600,"public":true,"userid":977584,"username":"Jamie Forslin","flags":[],"image":{"id":409105,"guid":"vVb4syFCOfi3k6UH","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/vVb4syFCOfi3k6UH.full"}}],"related_wikis":[{"dataType":"wiki","wikiid":27585,"langid":"en","title":"Deciwatt GravityLight GL01 Troubleshooting","display_title":"Deciwatt GravityLight GL01 Troubleshooting","namespace":"WIKI","summary":"Last Updated October 2014","url":"https:\/\/www.ifixit.com\/Wiki\/Deciwatt_GravityLight_GL01_Troubleshooting","text":"Last Updated October 2014","image":{"mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.thumbnail","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.standard","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/Fo2qpOsUSjVFdkpW.medium"},"modified_date":1564185547,"author":977586}],"solutions_url":"https:\/\/www.ifixit.com\/Answers\/Device\/GravityLight","parts":{"url":"https:\/\/www.ifixit.com\/Parts\/GravityLight","categories":[]},"tools":[{"title":"Phillips #00 Screwdriver","target_url":"https:\/\/www.ifixit.com\/products\/phillips-00-screwdriver","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/upNtpW5ghNgA3abG.mini","itemcode":"IF145-006-5"},{"title":"FixHub Portable Soldering Station","target_url":"https:\/\/www.ifixit.com\/products\/fixhub-power-series-portable-soldering-station","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/5PvFp3FyJBprCkDw.mini","itemcode":"IF145-494-1"},{"title":"Soldering Iron 60w Hakko 503F","target_url":"https:\/\/www.ifixit.com\/products\/soldering-iron-60w-hakko-503f","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/2KG6DMqwajhHw4fA.mini","itemcode":"IF317-092-1"},{"title":"Soldering Workstation","target_url":"https:\/\/www.ifixit.com\/products\/soldering-workstation","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/dIfDOMnSEGhxZmJY.mini","itemcode":"IF145-238-2"},{"title":"Lead-Free Solder","target_url":"https:\/\/www.ifixit.com\/products\/lead-free-solder","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/cRwXlE2fiAlXJAhE.mini","itemcode":"IF145-077-2"},{"title":"Solder ROHS Lead Free Rosin Core","target_url":"https:\/\/www.ifixit.com\/products\/solder-rohs-lead-free-rosin-core","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/LXoRxB2SFsPbw1Sx.mini","itemcode":"IF317-067-1"},{"title":"Tweezers","target_url":"https:\/\/www.ifixit.com\/products\/tweezers","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/eQGTt3iN1MmOAQDy.mini","itemcode":"IF145-020-4"},{"title":"Tweezers","target_url":"https:\/\/www.ifixit.com\/products\/tweezers?variant=39371667406951","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/dHWMTxibZKNbXnxu.mini","itemcode":"IF145-020-5"},{"title":"Tweezers","target_url":"https:\/\/www.ifixit.com\/products\/tweezers?variant=39371667374183","image_url":"https:\/\/cart-products.cdn.ifixit.com\/cart-products\/SgcjxIZnNVleJooT.mini","itemcode":"IF145-020-2"}],"repairability_score":null,"category_info":[],"source_revisionid":null,"diagrams":[],"info":[{"name":"Device Category","value":"Household","inheritedFrom":"Household"},{"name":"condition_battery_cycle_count","value":"off","inheritedFrom":"Household"},{"name":"condition_battery_health_percent","value":"off","inheritedFrom":"Household"},{"name":"condition_belt_wear","value":"off","inheritedFrom":"Household"},{"name":"condition_brake_pad_thickness_mm","value":"off","inheritedFrom":"Household"},{"name":"condition_controller_runtime_hours","value":"off","inheritedFrom":"Household"},{"name":"condition_coolant_ph","value":"off","inheritedFrom":"Household"},{"name":"condition_filter_life_percent","value":"off","inheritedFrom":"Household"},{"name":"condition_filter_pressure_drop","value":"off","inheritedFrom":"Household"},{"name":"condition_oil_life","value":"off","inheritedFrom":"Household"},{"name":"condition_oil_life_percent","value":"off","inheritedFrom":"Household"},{"name":"condition_tire_tread_depth_mm","value":"off","inheritedFrom":"Household"},{"name":"condition_water_hardness","value":"off","inheritedFrom":"Household"}],"maintenance_schedule":{"schedules":[{"wiki_maintenance_scheduleid":1768,"task":"Inspect and lubricate internal gears","status":"active","guideid":null,"parts":null,"triggers":[{"trigger_type":"time","metric":"elapsed_time","unit":"months","first_interval":null,"repeat_interval":6,"comparator":null,"threshold":null}],"inheritedFrom":null,"switchedBy":null,"repeatedBy":null,"rationale":null,"inheritedOn":null},{"wiki_maintenance_scheduleid":1769,"task":"Inspect mounting post and spring for tension wear","status":"active","guideid":null,"parts":null,"triggers":[{"trigger_type":"time","metric":"elapsed_time","unit":"months","first_interval":null,"repeat_interval":12,"comparator":null,"threshold":null}],"inheritedFrom":null,"switchedBy":null,"repeatedBy":null,"rationale":null,"inheritedOn":null}],"notSuggested":[],"inheritedFrom":null,"langid":"en"}}