[{"data":1,"prerenderedAt":503},["ShallowReactive",2],{"project-15216650":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":20,"keywords":22,"reception":27,"sentiment":28,"stance_mix":29,"scored_comments":34,"aspects":35,"strip":45,"post_text":46,"what":47,"said":68,"maker_in_thread":169,"shape":180,"grid":185,"attempts":466,"same_week":467,"maker_shows":30,"maker_hidden":495,"reader_version":496,"card":497},"15216650","Gridless Kits","Build A Personal Power Plant for $200","title","Show HN: Build A Personal Power Plant for $200","http:\u002F\u002Fgridlesskits.com\u002F2017\u002F09\u002F06\u002Fburning-man-update.html","gridlesskits.com","nikodunk",1505114546,2017,373,103,40,2242,2,"legend","hardware","portable solar power kit",[23,24,25,26],"portable solar","off-grid power","solar battery kit","camping power","curious",-0.077,{"positive":30,"neutral":31,"mixed":32,"critical":33},6,34,3,13,56,{"pricing":36,"idea":38,"execution":40,"docs":42,"design":43,"performance":44},{"positive":37,"critical":18},0,{"positive":39,"critical":32},5,{"positive":41,"critical":30},1,{"positive":37,"critical":37},{"positive":37,"critical":41},{"positive":37,"critical":41},[32,32,32,32,41,32,37,41,37,32,39,32,37,37,32,41,39,37,32,39,37,37,41,37,41,37,41,18,32,18,32,41,39,39,37,37,32,41,41,32],null,{"problem":48,"audience":60,"pricing":46,"motivation":46,"time_to_build":46,"stack":65,"openness":66,"stage":67,"team_size":66},{"value":49,"source":50,"evidence":51},"Off-grid power for camping and events like Burning Man without a generator.","inferred",[52,56],{"id":53,"by":54,"text":55},"15219369","charlesju","Here is the much more portable and expensive version of this kit. Anker PowerHouse to store the energy. 400 WH which is about the same capacity as the deep cycle battery listed,…",{"id":57,"by":58,"text":59},"15218871","EvanAnderson","We have that battery in our camping gear for my wife's CPAP machine. It weighs 23 pounds. It's not hatefully heavy to deal with. We started camping w\u002F a battery this summer and…",{"value":61,"source":50,"evidence":62},"Campers and festival-goers needing off-grid power.",[63,64],{"id":53,"by":54,"text":55},{"id":57,"by":58,"text":59},[],"unknown","launched",{"praise":69,"objections":90,"requests":128,"questions":140,"alternatives":153},[70,83],{"value":71,"source":72,"evidence":73},"Practical, turnkey off-grid solution for camping.","commenter",[74,78,79],{"id":75,"by":76,"text":77},"15220317","crwalker","Refreshingly practical site. This is exactly why I think solar will beat nuclear hands-down. Solar enables gradual adoption, unlike nuclear's power-plant sized step function.…",{"id":57,"by":58,"text":59},{"id":80,"by":81,"text":82},"15221377","nextlevelwizard","So for $200 you can keep your devices churning while not connected to grid? That sounds pretty nice if you like longer road trips and mainly visit places with a lot of Sun light.",{"value":84,"source":72,"evidence":85},"Useful as a generator alternative for hurricane zones.",[86],{"id":87,"by":88,"text":89},"15219027","josephpmay","This would be a really great small-generator alternative for hurricane zones",[91,102,113,124],{"value":92,"source":72,"evidence":93},"Battery is heavy and the 420Ah spec was wrong; the BOM lists 35Ah.",[94,98],{"id":95,"by":96,"text":97},"15219043","dom0","The \"BOM\" lists a 35 Ah \u002F 12 V battery, which is reasonable. A 420 Ah battery is (a) a boutique item (b) should weight around 120-140 kg (c) does not fit into a toolbox (d) costs…",{"id":99,"by":100,"text":101},"15218616","donquichotte","The kit consists of a 100W Pmax solar panel and a 420Wh [edited: this falsley said 420Ah before] deep cycle lead acid battery. The battery is pretty heavy and in the picture the…",{"value":103,"source":72,"evidence":104},"Lacks fuses or breakers and battery protection.",[105,109],{"id":106,"by":107,"text":108},"15222194","okreallywtf","This got mentioned under another comment but it is worth stating at the top level: always use fuses or breakers in any kind of system, that battery is a fire\u002Fbomb waiting to…",{"id":110,"by":111,"text":112},"15218966","kawsper","Is it safe? Is the battery protected against going under or over capacity?",{"value":114,"source":72,"evidence":115},"Panel's manufacturing and battery footprint undercut the green claim.",[116,120],{"id":117,"by":118,"text":119},"15222173","thinkcontext","This is described as \"green\" but as a portable the panel will never produce as much energy as it took to manufacture it. Taking this deficit into account plus the energy and…",{"id":121,"by":122,"text":123},"15223834","outworlder","I am skeptical of this claim. Maybe standard rooftop solar panels lifetime is too short as they are exposed to the elements all the time. But as a general rule? Seems wrong.…",{"value":125,"source":72,"evidence":126},"Closed toolbox box may overheat electronics in the sun.",[127],{"id":95,"by":96,"text":97},[129],{"value":130,"source":72,"evidence":131},"Cheaper or smaller versions, possibly sourced from AliExpress.",[132,136],{"id":133,"by":134,"text":135},"15219527","Tepix","What if I source the parts from AliExpress instead of Amazon? Should be quite a bit cheaper, right?",{"id":137,"by":138,"text":139},"15220607","mmjaa",".. I'm guessing I'm not the only one who would be quite happy if someone would do a smaller, lighter, cheaper version of this: http:\u002F\u002Fsmartflowersolar.com Perhaps DIY is the way…",[141,146],{"value":142,"source":72,"evidence":143},"Is the system safe and does the battery have over\u002Funder-capacity protection?",[144,145],{"id":110,"by":111,"text":112},{"id":106,"by":107,"text":108},{"value":147,"source":72,"evidence":148},"How long until the kit pays back its cost in electricity?",[149],{"id":150,"by":151,"text":152},"15221466","izzydata","How many months \u002F years would it take for this to generate $200 worth of electricity at some normal price for electricity in the US?",[154,158,165],{"value":155,"source":72,"evidence":156},"Anker PowerHouse with a foldable 80W solar panel and a pre-built evaporative cooler.",[157],{"id":53,"by":54,"text":55},{"value":159,"source":72,"evidence":160},"Xantrex XPower Powerpack 1500 integrated solar kit.",[161],{"id":162,"by":163,"text":164},"15219020","peterwwillis","This is a teeny setup, but it is also easy to scale up. This setup gives you everything you need to get started and you can add or replace parts to get more capacity and current.…",{"value":166,"source":72,"evidence":167},"Smart Flower solar unit.",[168],{"id":137,"by":138,"text":139},{"comments":32,"answered":41,"key":170},[171,174,177],{"id":172,"text":173},"15235951","Wow, this is a great point – put a lot into perspective for me. This is exactly where I think there may be a gap in the market too – between path lights and rooftop solar. How to…",{"id":175,"text":176},"15235962","The embodied calculations are here, but they are based off an optimal scenario – http:\u002F\u002Fgridlesskits.com\u002F2017\u002F02\u002F12\u002FFinancial-Payback.html",{"id":178,"text":179},"15225116","The winds in the dust storms were mad strong – I think Sean battened it down with the straps for safety. I still regret not getting a photo when he initially had the panel tipped…",{"commenters":181,"max_depth":182,"maker_replies":32,"first_comment_mins":183,"lifespan_hours":184},67,7,408,55,[186,188,192,195,198,201,204,208,211,214,217,219,222,226,229,232,235,238,240,243,246,249,251,255,257,260,264,268,270,272,275,278,280,283,285,288,291,292,296,298,301,304,307,309,312,316,318,319,321,324,326,327,329,334,338,341,343,346,349,352,355,358,360,363,364,366,368,371,373,375,377,379,383,385,386,388,390,392,395,397,401,403,405,407,409,412,415,420,423,426,428,431,434,438,440,442,445,448,450,454,457,461,463],[53,37,32,187,54,37],"project\u002Fmixed\u002Fpricing",[189,37,32,190,191,37],"15220461","project\u002Fneutral\u002Fidea","stevenwoo",[193,37,32,190,194,37],"15220511","irq",[196,37,32,190,197,37],"15220646","detaro",[199,37,32,190,200,37],"15221132","csours",[202,37,32,190,203,37],"15222870","photojosh",[205,37,32,206,207,37],"15220637","project\u002Fneutral\u002Fpricing","exhilaration",[209,37,32,187,210,37],"15226702","100ideas",[212,37,32,213,54,37],"15228345","maker\u002Fneutral\u002Fnone",[215,37,32,216,210,37],"15230790","project\u002Fneutral\u002Fnone",[106,41,41,218,107,37],"project\u002Fcritical\u002Fexecution",[220,18,32,187,221,37],"15219466","mikestew",[223,18,32,224,225,37],"15220489","project\u002Fneutral\u002Fexecution","tyingq",[227,18,37,228,221,37],"15220547","other\u002Fneutral\u002Fnone",[230,18,37,231,225,37],"15220620","commenter\u002Fneutral\u002Fnone",[233,18,37,231,234,37],"15220933","criddell",[236,18,37,231,237,37],"15221524","tomcam",[239,18,37,231,221,37],"15221873",[241,18,41,218,242,37],"15221980","ApolloRising",[244,18,37,245,221,37],"15222094","other\u002Fneutral\u002Fexecution",[247,18,37,245,248,37],"15223042","dTal",[250,18,37,228,221,37],"15223881",[252,18,37,253,254,37],"15220641","commenter\u002Fneutral\u002Fperformance","cbr",[256,18,37,253,225,37],"15221043",[258,18,32,190,259,37],"15222407","cr0sh",[261,18,37,262,263,37],"15220632","other\u002Fneutral\u002Fpricing","Robotbeat",[265,32,39,266,267,37],"15219068","maker\u002Fpositive\u002Fexecution","finnn",[269,32,32,216,191,37],"15221080",[271,32,32,216,107,37],"15222038",[75,273,37,274,76,37],4,"other\u002Fneutral\u002Fidea",[276,273,37,274,277,37],"15220634","VectorLock",[279,273,37,228,234,37],"15220991",[281,273,37,228,282,37],"15224084","Iv",[284,273,37,274,81,37],"15221355",[286,39,37,274,287,37],"15228835","jerich",[289,39,37,274,290,37],"15234107","rconti",[172,39,37,274,11,41],[293,30,32,294,295,37],"15222816","project\u002Fneutral\u002Fdocs","ChuckMcM",[99,182,41,297,100,37],"project\u002Fcritical\u002Fpricing",[299,182,32,190,300,37],"15218708","willyyr",[302,182,37,228,303,37],"15218710","arbitrage",[305,182,37,228,306,37],"15218868","sly010",[57,182,39,308,58,37],"project\u002Fpositive\u002Fidea",[310,182,37,228,311,37],"15220087","aperrien",[313,182,37,314,315,37],"15218970","commenter\u002Fcritical\u002Fperformance","Faaak",[317,182,37,231,100,37],"15219080",[162,182,39,308,163,37],[95,182,41,320,96,37],"project\u002Fcritical\u002Fdesign",[322,182,32,323,163,37],"15219120","project\u002Fneutral\u002Fdesign",[325,182,37,231,277,37],"15220668",[80,182,39,308,81,37],[328,182,37,228,259,37],"15222495",[330,331,37,332,333,37],"15221783",8,"commenter\u002Fcritical\u002Fidea","burkemw3",[335,336,37,274,337,37],"15220857",9,"mamcx",[339,336,37,332,340,37],"15221791","ars",[342,336,37,274,337,37],"15222311",[117,344,41,345,118,37],10,"project\u002Fcritical\u002Fidea",[347,344,37,274,348,37],"15222716","therealdrag0",[350,344,37,228,351,37],"15222857","albertgoeswoof",[353,344,37,228,354,37],"15228393","mac01021",[356,344,37,231,357,37],"15223295","edkennedy",[359,344,37,231,354,37],"15228336",[361,344,37,362,118,37],"15228339","commenter\u002Fcritical\u002Fnone",[121,344,41,345,122,37],[365,344,37,231,118,37],"15224068",[175,344,37,367,11,41],"maker\u002Fneutral\u002Fdocs",[369,344,41,370,118,37],"15238387","project\u002Fcritical\u002Fperformance",[372,344,41,218,118,37],"15238686",[110,374,32,224,111,37],11,[376,374,32,224,163,37],"15218985",[378,374,41,218,277,37],"15220677",[380,381,32,190,382,37],"15221135",12,"anderspitman",[384,381,32,206,259,37],"15222449",[150,33,32,206,151,37],[387,33,32,206,340,37],"15221777",[389,33,41,297,151,37],"15222302",[391,33,32,224,340,37],"15222338",[393,33,32,224,394,37],"15222736","sushid",[396,33,32,224,340,37],"15222787",[398,399,41,345,400,37],"15220377",14,"Pigo",[402,399,32,190,191,37],"15221100",[404,399,37,231,259,37],"15222569",[137,406,32,323,138,37],15,[87,408,39,308,88,37],16,[410,408,37,231,411,37],"15221405","GigabyteCoin",[413,408,39,308,414,37],"15221471","netule",[416,417,32,418,419,37],"15219565",17,"project\u002Fneutral\u002Fperformance","quickben",[421,417,37,253,422,37],"15219610","CalRobert",[424,417,37,253,425,37],"15219662","danielvf",[427,417,37,253,419,37],"15219806",[429,417,37,253,430,37],"15220414","samjohnson",[432,417,37,253,433,37],"15219748","dreamcompiler",[435,436,32,323,437,37],"15218615",18,"timmaah",[178,436,37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