{"id":780,"date":"2026-02-16T12:35:28","date_gmt":"2026-02-16T10:35:28","guid":{"rendered":"https:\/\/www.sk-babickinerady.top\/?p=780"},"modified":"2026-02-16T12:35:28","modified_gmt":"2026-02-16T10:35:28","slug":"malokto-pozna-tajomstvo-chybnej-litiovej-baterie-vyrobcovia-ho-tajia","status":"publish","type":"post","link":"https:\/\/www.sk-babickinerady.top\/?p=780","title":{"rendered":"M\u00e1lokto pozn\u00e1 tajomstvo chybnej l\u00edtiovej bat\u00e9rie; v\u00fdrobcovia ho tajia."},"content":{"rendered":"\n<p>Pokia\u013e ide o l\u00edtiov\u00e9 bat\u00e9rie (v telef\u00f3noch, notebookoch \u010di n\u00e1rad\u00ed), internet je pln\u00fd \u201ezaru\u010den\u00fdch\u201c trikov, ako ich o\u017eivi\u0165. Pravdou je, \u017ee v\u00fdrobcovia ni\u010d netajia kv\u00f4li sprisahaniu, ale sk\u00f4r kv\u00f4li <strong>bezpe\u010dnosti<\/strong>. L\u00edtiov\u00e1 bat\u00e9ria nie je gomb\u00edk, je to mal\u00e1 chemick\u00e1 tov\u00e1re\u0148, ktor\u00e1 m\u00f4\u017ee pri nespr\u00e1vnom zaobch\u00e1dzan\u00ed vybuchn\u00fa\u0165.<\/p>\n\n\n\n<p>Napriek tomu existuje jedno \u201etajomstvo\u201c, ktor\u00e9 sa t\u00fdka toho, pre\u010do sa bat\u00e9ria tv\u00e1ri ako m\u0155tva, aj ke\u010f jej \u010dl\u00e1nky s\u00fa technicky v poriadku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Tajomstvo \u201espiacej\u201c bat\u00e9rie (Low Voltage Lockout)<\/h3>\n\n\n\n<p>Ka\u017ed\u00e1 modern\u00e1 l\u00edtiov\u00e1 bat\u00e9ria m\u00e1 v sebe elektronick\u00fd obvod zvan\u00fd <strong>BMS (Battery Management System)<\/strong>. Tento obvod funguje ako policajt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u010co sa deje:<\/strong> Ak nap\u00e4tie bat\u00e9rie klesne pod ur\u010dit\u00fa kritick\u00fa hranicu (napr. $2,5\\text{ V}$ na \u010dl\u00e1nok), BMS bat\u00e9riu \u201eodpoj\u00ed\u201c. Navonok sa jav\u00ed ako \u00faplne nefunk\u010dn\u00e1 a nab\u00edja\u010dka ju odmietne nab\u00edja\u0165, preto\u017ee ju vyhodnot\u00ed ako nebezpe\u010dn\u00fa.<\/li>\n\n\n\n<li><strong>\u201eTrik\u201c profesion\u00e1lov:<\/strong> Existuj\u00fa \u0161peci\u00e1lne nab\u00edja\u010dky s funkciou \u201eprebudenia\u201c (wake-up), ktor\u00e9 do bat\u00e9rie pustia ve\u013emi mal\u00fd pr\u00fad, aby nap\u00e4tie pomaly st\u00faplo nad hranicu, kedy ju BMS op\u00e4\u0165 povol\u00ed nab\u00edja\u0165.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. M\u00fdtus o mrazni\u010dke (Pozor na toto!)<\/h3>\n\n\n\n<p>\u010casto sa do\u010d\u00edtate, \u017ee m\u0155tvu bat\u00e9riu m\u00e1te da\u0165 do mrazni\u010dky.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pravda:<\/strong> Chlad s\u00edce spoma\u013euje chemick\u00e9 reakcie a m\u00f4\u017ee do\u010dasne zn\u00ed\u017ei\u0165 samovyb\u00edjanie, ale <strong>neobnovuje kapacitu<\/strong>. Naopak, vlhkos\u0165 (kondenz\u00e1cia), ktor\u00e1 vznikne po vytiahnut\u00ed z mrazni\u010dky, m\u00f4\u017ee skratova\u0165 elektroniku bat\u00e9rie a nen\u00e1vratne ju zni\u010di\u0165.<\/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\">Ako pred\u013a\u017ei\u0165 \u017eivotnos\u0165 bat\u00e9rie o roky?<\/h3>\n\n\n\n<p>V\u00fdrobcovia n\u00e1m s\u00edce nepovedia, ako bat\u00e9riu \u201evzkriesi\u0165\u201c, ale m\u00e1lokto dodr\u017eiava tie najjednoduch\u0161ie pravidl\u00e1, ktor\u00e9 skuto\u010dne funguj\u00fa:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Pravidlo 20\u201380 %:<\/strong> L\u00edtiov\u00e9 bat\u00e9rie nen\u00e1vidia extr\u00e9my. Najdlh\u0161ie vydr\u017eia, ak ich udr\u017eiavate v tomto rozmedz\u00ed. Nab\u00edjanie na $100\\text{ %}$ a vyb\u00edjanie na nulu skracuje ich \u017eivotnos\u0165 o polovicu.<\/li>\n\n\n\n<li><strong>Teplo je vrah:<\/strong> Ak sa v\u00e1\u0161 telef\u00f3n pri nab\u00edjan\u00ed prehrieva, dajte dole kryt. Teplota nad <strong>35\u00b0C<\/strong> trvalo po\u0161kodzuje chemick\u00fa \u0161trukt\u00faru \u010dl\u00e1nkov.<\/li>\n\n\n\n<li><strong>Skladovanie pri 50 %:<\/strong> Ak nebudete n\u00e1radie alebo notebook dlho pou\u017e\u00edva\u0165, nenech\u00e1vajte bat\u00e9riu pln\u00fa ani pr\u00e1zdnu. Nabite ju presne na polovicu.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Tabu\u013eka: Je va\u0161a bat\u00e9ria e\u0161te zachr\u00e1nite\u013en\u00e1?<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Pr\u00edznak<\/strong><\/td><td><strong>Diagn\u00f3za<\/strong><\/td><td><strong>Rie\u0161enie<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Naf\u00faknut\u00fd obal<\/strong><\/td><td>Vn\u00fatorn\u00fd rozklad (plyny)<\/td><td><strong>Okam\u017eite vyhodi\u0165!<\/strong> Hroz\u00ed po\u017eiar.<\/td><\/tr><tr><td><strong>Nenab\u00edja sa v\u00f4bec<\/strong><\/td><td>Pravdepodobne zasiahlo BMS<\/td><td>Sk\u00fasi\u0165 profesion\u00e1lny servis (prebudenie).<\/td><\/tr><tr><td><strong>R\u00fdchlo str\u00e1ca percent\u00e1<\/strong><\/td><td>Vysok\u00fd vn\u00fatorn\u00fd odpor<\/td><td>\u010cl\u00e1nky s\u00fa opotrebovan\u00e9, nutn\u00e1 v\u00fdmena.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u00daprimn\u00e9 varovanie:<\/strong> Nikdy sa nepok\u00fa\u0161ajte bat\u00e9riu rozobera\u0165 alebo ju \u201e\u0161okova\u0165\u201c k\u00e1blami priamo z in\u00e9ho zdroja, ak neviete presne, \u010do rob\u00edte. L\u00edtiov\u00e9 po\u017eiare sa nedaj\u00fa uhasi\u0165 vodou a s\u00fa extr\u00e9mne intenz\u00edvne.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>M\u00e1te doma nejak\u00fa konkr\u00e9tnu bat\u00e9riu, ktor\u00e1 v\u00e1m vypovedala slu\u017ebu (napr. v aku-v\u0155ta\u010dke alebo starom mobile)? M\u00f4\u017eem v\u00e1m poradi\u0165, \u010di m\u00e1 zmysel investova\u0165 do v\u00fdmeny \u010dl\u00e1nkov alebo rad\u0161ej k\u00fapi\u0165 nov\u00fa.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pokia\u013e ide o l\u00edtiov\u00e9 bat\u00e9rie (v telef\u00f3noch, notebookoch \u010di n\u00e1rad\u00ed), internet je pln\u00fd \u201ezaru\u010den\u00fdch\u201c trikov, ako ich o\u017eivi\u0165. Pravdou je, \u017ee v\u00fdrobcovia ni\u010d netajia kv\u00f4li sprisahaniu, ale sk\u00f4r kv\u00f4li bezpe\u010dnosti. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":781,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-780","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\/780"}],"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=780"}],"version-history":[{"count":1,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/780\/revisions"}],"predecessor-version":[{"id":782,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/780\/revisions\/782"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/media\/781"}],"wp:attachment":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}