{"id":921,"date":"2026-02-22T11:41:48","date_gmt":"2026-02-22T09:41:48","guid":{"rendered":"https:\/\/www.sk-babickinerady.top\/?p=921"},"modified":"2026-02-22T11:41:48","modified_gmt":"2026-02-22T09:41:48","slug":"prestante-kupovat-baterie-skvely-napad-na-domaci-kutilsky-zazitok-%f0%9f%8f%a0%f0%9f%94%8c","status":"publish","type":"post","link":"https:\/\/www.sk-babickinerady.top\/?p=921","title":{"rendered":"Presta\u0148te kupova\u0165 bat\u00e9rie! Skvel\u00fd n\u00e1pad na dom\u00e1ci kutilsk\u00fd z\u00e1\u017eitok \ud83c\udfe0\ud83d\udd0c"},"content":{"rendered":"\n<p>Tento n\u00e1pad znie ako z kateg\u00f3rie \u201evyn\u00e1lezy z gar\u00e1\u017ee\u201c, ktor\u00e9 s\u013eubuj\u00fa energetick\u00fa nez\u00e1vislos\u0165. Predt\u00fdm, ne\u017e sa pust\u00edte do rozoberania elektroniky, pozrime sa na to, \u010do sa za t\u00fdmto popul\u00e1rnym kutilsk\u00fdm trendom skr\u00fdva.<\/p>\n\n\n\n<p>V\u00e4\u010d\u0161inou ide o premenu be\u017en\u00fdch zariaden\u00ed na nie\u010do \u201eve\u010dn\u00e9\u201c pomocou vec\u00ed, ktor\u00e9 u\u017e m\u00e1te doma. Tu s\u00fa dva naj\u010dastej\u0161ie sp\u00f4soby, ako kutilovia rie\u0161ia dilemu s bat\u00e9riami:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. Prechod z bat\u00e9ri\u00ed na \u201ek\u00e1bel\u201c (Adapt\u00e9r namiesto bat\u00e9ri\u00ed)<\/h3>\n\n\n\n<p>Toto je naj\u010dastej\u0161\u00ed trik pre zariadenia, ktor\u00e9 stoja na jednom mieste (hodiny, meteostanice, LED p\u00e1siky).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Princ\u00edp:<\/strong> Nahrad\u00edte bat\u00e9rie star\u00fdm 5V adapt\u00e9rom z telef\u00f3nu.<\/li>\n\n\n\n<li><strong>Kutilsk\u00fd trik:<\/strong> Ke\u010f\u017ee jedna AA bat\u00e9ria m\u00e1 $1,5V$, dve bat\u00e9rie v s\u00e9rii maj\u00fa $3V$. Ak pou\u017eijete 5V USB nab\u00edja\u010dku, potrebujete jednoduch\u00fd <strong>Step-Down meni\u010d<\/strong> (modul, ktor\u00fd k\u00fapite za p\u00e1r centov), aby ste nap\u00e4tie zn\u00ed\u017eili na potrebn\u00fa \u00farove\u0148.<\/li>\n\n\n\n<li><strong>V\u00fdsledok:<\/strong> Zariadenie be\u017e\u00ed zo siete a u\u017e nikdy nek\u00fapite bat\u00e9riu.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u201eZemiakov\u00e1\u201c alebo \u201eOctov\u00e1\u201c bat\u00e9ria (\u0160kolsk\u00fd experiment)<\/h3>\n\n\n\n<p>Ak ste videli vide\u00e1, kde ovocie nap\u00e1ja hodiny, ide o klasick\u00fa galvanick\u00fa bunku.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u010co potrebujete:<\/strong> Meden\u00fd dr\u00f4t (an\u00f3da), pozinkovan\u00fd klinec (kat\u00f3da) a elektrolyt (citr\u00f3n, zemiak alebo poh\u00e1r octu).<\/li>\n\n\n\n<li><strong>Realita:<\/strong> Je to skvel\u00fd z\u00e1\u017eitok pre deti, ale v praxi to sta\u010d\u00ed len na nap\u00e1janie kalkula\u010dky alebo jednoduch\u00e9ho LCD displeja. Na dia\u013ekov\u00fd ovl\u00e1da\u010d by ste potrebovali cel\u00fa debnu zemiakov.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Porovnanie: Oplat\u00ed sa to?<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Rie\u0161enie<\/strong><\/td><td><strong>V\u00fdhoda<\/strong><\/td><td><strong>Nev\u00fdhoda<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Nab\u00edjate\u013en\u00e9 bat\u00e9rie (NiMH)<\/strong><\/td><td>Najekologickej\u0161ie a najbezpe\u010dnej\u0161ie.<\/td><td>Vy\u0161\u0161ia po\u010diato\u010dn\u00e1 invest\u00edcia.<\/td><\/tr><tr><td><strong>Prestavba na USB sie\u0165<\/strong><\/td><td>\u00daplne bez\u00fadr\u017ebov\u00e9.<\/td><td>Zariadenie str\u00e1ca mobilitu (je na k\u00e1bli).<\/td><\/tr><tr><td><strong>Dom\u00e1ca v\u00fdroba (ovocie\/ocot)<\/strong><\/td><td>Z\u00e1bava a pou\u010denie.<\/td><td>Ve\u013emi n\u00edzky v\u00fdkon, nepraktick\u00e9.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udca1 Skuto\u010dn\u00fd &#8220;Pro Tip&#8221; pre kutilov:<\/h3>\n\n\n\n<p>Ak v\u00e1s nebav\u00ed kupova\u0165 bat\u00e9rie do ovl\u00e1da\u010dov, sk\u00faste k\u00fapi\u0165 <strong>l\u00edtiov\u00e9 AA bat\u00e9rie<\/strong> (nie nab\u00edjacie, ale jednorazov\u00e9 l\u00edtiov\u00e9). S\u00fa drah\u0161ie, ale v ovl\u00e1da\u010di vydr\u017eia <strong>7 a\u017e 10 rokov<\/strong> a nikdy nevyte\u010d\u00fa, \u010d\u00edm nepo\u0161kodia kontakty.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Bezpe\u010dnostn\u00e9 varovanie:<\/strong> Nikdy sa nepok\u00fa\u0161ajte &#8220;nab\u00edja\u0165&#8221; klasick\u00e9 alkalick\u00e9 bat\u00e9rie v nab\u00edja\u010dke na to neur\u010denej. Hroz\u00ed ich vyte\u010denie alebo expl\u00f3zia. Takisto bu\u010fte opatrn\u00ed pri sp\u00e1jan\u00ed star\u00fdch Li-ion \u010dl\u00e1nkov z notebookov \u2013 bez ochrannej elektroniky s\u00fa to mal\u00e9 v\u00fdbu\u0161niny.<\/p>\n<\/blockquote>\n\n\n\n<p>M\u00e1te doma nejak\u00e9 konkr\u00e9tne zariadenie (napr\u00edklad star\u00e9 r\u00e1dio alebo hra\u010dku), ktor\u00e9 \u201e\u017eerie\u201c bat\u00e9rie pr\u00edli\u0161 r\u00fdchlo? M\u00f4\u017eem v\u00e1m poradi\u0165, <strong>ako ho prerobi\u0165 na nab\u00edjanie cez USB-C<\/strong>. Chceli by ste n\u00e1vod?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tento n\u00e1pad znie ako z kateg\u00f3rie \u201evyn\u00e1lezy z gar\u00e1\u017ee\u201c, ktor\u00e9 s\u013eubuj\u00fa energetick\u00fa nez\u00e1vislos\u0165. Predt\u00fdm, ne\u017e sa pust\u00edte do rozoberania elektroniky, pozrime sa na to, \u010do sa za t\u00fdmto popul\u00e1rnym kutilsk\u00fdm [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":922,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zivotne-triky"],"_links":{"self":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/921"}],"collection":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=921"}],"version-history":[{"count":1,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/921\/revisions"}],"predecessor-version":[{"id":923,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/921\/revisions\/923"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/media\/922"}],"wp:attachment":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}