[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.jakara.cz\/co-je-to-powerbanka-a-k-cemu-slouzi\/#Article","mainEntityOfPage":"https:\/\/www.jakara.cz\/co-je-to-powerbanka-a-k-cemu-slouzi\/","headline":"Co je to powerbanka a k \u010demu slou\u017e\u00ed?","name":"Co je to powerbanka a k \u010demu slou\u017e\u00ed?","description":"Je to zjednodu\u0161en\u011b \u0159e\u010deno z\u00e1lo\u017en\u00ed baterie, kter\u00e1 slou\u017e\u00ed jako extern\u00ed zdroj energie pro nab\u00edjen\u00ed p\u0159enosn\u00fdch za\u0159\u00edzen\u00ed, nej\u010dast\u011bji mobiln\u00edch telefon\u016f, tablet\u016f a MP3 p\u0159ehr\u00e1va\u010d\u016f. Jejich popularita v\u00a0posledn\u00edch letech vzr\u016fst\u00e1 d\u00edky obrovsk\u00e9mu z\u00e1jmu o chytr\u00e9 telefony a ty, jak zn\u00e1mo, neopl\u00fdvaj\u00ed dlouhou v\u00fddr\u017e\u00ed bateri\u00ed. Energetick\u00e1 banka tak dok\u00e1\u017ee pokr\u00fdt ur\u010ditou energetickou rezervu, co\u017e ocen\u00edte zejm\u00e9na v\u00a0m\u00edstech, kde &hellip; <p class=\"link-more\"><a href=\"https:\/\/www.jakara.cz\/co-je-to-powerbanka-a-k-cemu-slouzi\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> \"Co je to powerbanka a k \u010demu slou\u017e\u00ed?\"<\/span><\/a><\/p>","datePublished":"2023-05-25","dateModified":"2023-05-25","author":{"@type":"Person","@id":"https:\/\/www.jakara.cz\/author\/#Person","name":"","url":"https:\/\/www.jakara.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/e4532b7f65738965bbad8697e5bd54c0628af7bffe8d3c856885c44d86978cee?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e4532b7f65738965bbad8697e5bd54c0628af7bffe8d3c856885c44d86978cee?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"jakara.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.jakara.cz\/wp-content\/uploads\/img_a311151_w1906_t1522094602.jpg","url":"https:\/\/www.jakara.cz\/wp-content\/uploads\/img_a311151_w1906_t1522094602.jpg","height":0,"width":0},"url":"https:\/\/www.jakara.cz\/co-je-to-powerbanka-a-k-cemu-slouzi\/","wordCount":431,"articleBody":"Je to zjednodu\u0161en\u011b \u0159e\u010deno z\u00e1lo\u017en\u00ed baterie, kter\u00e1 slou\u017e\u00ed jako extern\u00ed zdroj energie pro nab\u00edjen\u00ed p\u0159enosn\u00fdch za\u0159\u00edzen\u00ed, nej\u010dast\u011bji mobiln\u00edch telefon\u016f, tablet\u016f a MP3 p\u0159ehr\u00e1va\u010d\u016f. Jejich popularita v\u00a0posledn\u00edch letech vzr\u016fst\u00e1 d\u00edky obrovsk\u00e9mu z\u00e1jmu o chytr\u00e9 telefony a ty, jak zn\u00e1mo, neopl\u00fdvaj\u00ed dlouhou v\u00fddr\u017e\u00ed bateri\u00ed. Energetick\u00e1 banka tak dok\u00e1\u017ee pokr\u00fdt ur\u010ditou energetickou rezervu, co\u017e ocen\u00edte zejm\u00e9na v\u00a0m\u00edstech, kde nem\u00e1te mo\u017enost dob\u00edt telefon. Z\u00e1lo\u017en\u00ed zdroj tedy umo\u017en\u00ed pokr\u00fdt nebezpe\u010d\u00ed vypnut\u00ed telefonu ve chv\u00edli, kdy ho zrovna nejv\u00edc pot\u0159ebujete.\tNe ka\u017ed\u00e1 energetick\u00e1 banka je pro v\u00e1s vhodn\u00e1Teoreticky tomu tak sice nen\u00ed, pro nab\u00edjen\u00ed m\u016f\u017eete zvolit jakoukoliv, ale v\u00a0praxi se z\u00e1lo\u017en\u00ed zdroje li\u0161\u00ed svou kapacitou. V\u00a0z\u00e1sad\u011b plat\u00ed, \u017ee \u010d\u00edm levn\u011bj\u0161\u00ed p\u0159\u00edstroj, t\u00edm ni\u017e\u0161\u00ed v\u00fdkon od n\u00ed o\u010dek\u00e1vejte.\u00a0 P\u0159i n\u00e1kupu tak\u00e9 d\u00e1vejte pozor na podez\u0159ele lacin\u00e9 v\u00fdrobky, kter\u00e9 ud\u00e1vaj\u00ed z\u00e1rove\u0148 obrovskou kapacitu, nap\u0159. nem\u016f\u017eete za necel\u00e9 dv\u011b stovky po\u010d\u00edtat s\u00a0nab\u00edjec\u00ed kapacitou 12 tis\u00edc mAh.\tJak nakupovat a kterou z\u00a0nich zvolit?Mus\u00edte m\u00edt v\u00a0ka\u017ed\u00e9m p\u0159\u00edpad\u011b jasno, jak\u00e1 za\u0159\u00edzen\u00ed z\u00a0n\u00ed budete nab\u00edjet, a zda v\u00e1m posta\u010d\u00ed jen jedno nabit\u00ed, nebo zda se p\u0159iklon\u00edte ke standardn\u00edmu po\u010dtu dvou a\u017e t\u0159\u00ed nabit\u00ed p\u0159\u00edstroje. \u0158ekn\u011bme, \u017ee m\u00e1te rozmy\u0161leno \u2013 jako p\u0159\u00edklad uvedeme, \u017ee vlastn\u00edte chytr\u00fd telefon s\u00a0bateri\u00ed o kapacit\u011b 3600 mAh. Budeme uva\u017eovat, \u017ee chcete nechat telefon energetickou z\u00e1lohou nab\u00edjet alespo\u0148 dvakr\u00e1t. Jak d\u00e1l postupovat?Nejprve mus\u00edte p\u0159epo\u010d\u00edtat hodnotu kapacity powerbanky na re\u00e1lnou, jde o to, \u017ee uvnit\u0159 tohoto z\u00e1lo\u017en\u00edho zdroje se nach\u00e1z\u00ed bateriov\u00e9 \u010dl\u00e1nky, jejich\u017e v\u00fdstupn\u00ed nap\u011bt\u00ed \u010din\u00ed 3,7 V. A v\u00e1\u0161 chytr\u00fd telefon pracuje s\u00a0nap\u011bt\u00edm 5V. Nap\u0159. pro z\u00e1lo\u017en\u00ed zdroj s\u00a0kapacitou 12000 mAh bude v\u00fdpo\u010det tento:(12000 x 3,7) : 5 = 8800 mAh. Pak mus\u00edme je\u0161t\u011b zapo\u010d\u00edtat ztr\u00e1ty energie p\u0159i dob\u00edjen\u00ed, kter\u00e9 \u010din\u00ed u velmi kvalitn\u00edch bateri\u00ed 10 a u t\u011bch b\u011b\u017en\u00fdch 20 procent.\u00a0 Uva\u017eujme rad\u011bji ten hor\u0161\u00ed p\u0159\u00edpad, tak\u017ee 8800 x 0,8 = 7104 mAh.Z\u00a0tohoto v\u00fdpo\u010dtu vypl\u00fdv\u00e1, \u017ee powerbanka o kapacit\u011b 12000 mAh nenabije baterii na\u0161eho (modelov\u00e9ho p\u0159\u00edkladu) telefonu ani dvakr\u00e1t a bude t\u0159eba zakoupit kapacitn\u011bj\u0161\u00ed zdroj.                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Co je to powerbanka a k \u010demu slou\u017e\u00ed?","item":"https:\/\/www.jakara.cz\/co-je-to-powerbanka-a-k-cemu-slouzi\/#breadcrumbitem"}]}]