{"id":4968,"date":"2025-12-01T10:21:27","date_gmt":"2025-12-01T10:21:27","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=4968"},"modified":"2025-12-01T10:21:29","modified_gmt":"2025-12-01T10:21:29","slug":"how-to-calculate-12v-battery-amp-hours-ah-guide","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/sk\/news\/how-to-calculate-12v-battery-amp-hours-ah-guide\/","title":{"rendered":"Ako vypo\u010d\u00edta\u0165 amp\u00e9rhodiny (Ah) 12V bat\u00e9rie"},"content":{"rendered":"<p>Ak ste sa niekedy pok\u00fa\u0161ali ur\u010di\u0165 ve\u013ekos\u0165 <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/12v-lifepo4-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\">12V bat\u00e9ria<\/a><\/strong> pre sol\u00e1rne, obytn\u00e9 automobily, n\u00e1morn\u00e9, off-grid alebo priemyseln\u00e9 zariadenia, pravdepodobne ste sa stretli s rovnakou ot\u00e1zkou:\u00a0<strong>\"Ako vypo\u010d\u00edta\u0165 amp\u00e9rhodiny (Ah) 12V bat\u00e9rie\"<\/strong><\/p><p>Amp\u00e9rhodiny (Ah) ur\u010duj\u00fa, ako dlho bude bat\u00e9ria poh\u00e1\u0148a\u0165 va\u0161e zariadenia. Ich v\u00fdpo\u010det v\u0161ak nie je v\u017edy jednoduch\u00fd. Profily za\u0165a\u017eenia, \u00fa\u010dinnos\u0165 meni\u010da, Peukertov z\u00e1kon, chemick\u00e9 zlo\u017eenie bat\u00e9rie, teplota, pokles nap\u00e4tia - v\u0161etky tieto faktory m\u00f4\u017eu v\u00fdrazne zmeni\u0165 skuto\u010dn\u00fa kapacitu.<\/p><p>Ako in\u017einier bat\u00e9ri\u00ed, ktor\u00fd ka\u017ed\u00fd de\u0148 spolupracuje s majite\u013emi domov, obytn\u00fdch automobilov\/\u010dlnov a priemyseln\u00fdmi syst\u00e9mov\u00fdmi integr\u00e1tormi, v\u00e1m to rozoberiem jednoducho, prakticky a na z\u00e1klade sk\u00fasenost\u00ed.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"813\" height=\"647\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/12v-100ah-lifepo4-battery-kamada-power.jpg\" alt=\"\" class=\"wp-image-860\"\/><\/figure><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/sk\/deep-cycle-6500-cycles-12v-100ah-lifepo4-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 12V 100Ah Lifepo4 bat\u00e9ria<\/a><\/strong><\/p><figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/Sodium-Battery-12V-100Ah-Bluetooth-Low-Temperature-Na-Ion-Battery-Supplier-Factory-Manufacturers-001.jpg\" alt=\"\" class=\"wp-image-1451\"\/><\/figure><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/sk\/kamada-poewr-12v-100ah-sodium-ion-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 12V 100AH sod\u00edkovo i\u00f3nov\u00e1 bat\u00e9ria<\/a><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"-what-does-amp-hour-ah-actually-mean-for-a-12v-battery-\"><strong>\u010co vlastne znamen\u00e1 amp\u00e9rhodina (Ah) pre 12V bat\u00e9riu?<\/strong><\/h2><p><strong>Amp\u00e9rhodiny (Ah)<\/strong>&nbsp;meranie bat\u00e9rie&nbsp;<em>ulo\u017een\u00e1 energia<\/em>&nbsp;- mno\u017estvo pr\u00fadu, ktor\u00e9 m\u00f4\u017ee bat\u00e9ria dod\u00e1va\u0165 po\u010das ur\u010dit\u00e9ho \u010dasov\u00e9ho obdobia.<\/p><h3 class=\"wp-block-heading\" id=\"-basic-definition-\"><strong>Z\u00e1kladn\u00e1 defin\u00edcia<\/strong><\/h3><p>1 Ah = 1 amp\u00e9r dodan\u00fd po\u010das 1 hodiny<\/p><p><strong>Pr\u00edklad:<\/strong>&nbsp;A&nbsp;<strong>12V 100Ah bat\u00e9ria<\/strong>&nbsp;m\u00f4\u017ee teoreticky poskytn\u00fa\u0165:<\/p><ul class=\"wp-block-list\"><li><strong>100 amp\u00e9rov na 1 hodinu<\/strong><\/li>\n\n<li><strong>20 amp\u00e9rov na 5 hod\u00edn<\/strong><\/li>\n\n<li><strong>5 amp\u00e9rov po\u010das 20 hod\u00edn<\/strong><\/li><\/ul><p><strong>Pozn\u00e1mka:<\/strong>&nbsp;Toto je&nbsp;<em>te\u00f3ria ide\u00e1lu<\/em>. Re\u00e1lnu kapacitu ovplyv\u0148uje nieko\u013eko faktorov.<\/p><h3 class=\"wp-block-heading\" id=\"-factors-affecting-real-world-capacity-\"><strong>Faktory ovplyv\u0148uj\u00face re\u00e1lnu kapacitu<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Chemick\u00e9 zlo\u017eenie bat\u00e9rie<\/strong>\u00a0- LiFePO4 vs oloven\u00e9 kyseliny vs AGM<\/li>\n\n<li><strong>Teplota<\/strong>\u00a0- chladn\u00e9 alebo hor\u00face podmienky zni\u017euj\u00fa kapacitu<\/li>\n\n<li><strong>R\u00fdchlos\u0165 vyp\u00fa\u0161\u0165ania<\/strong>\u00a0- vysok\u00fd pr\u00fad sa r\u00fdchlej\u0161ie vy\u010derp\u00e1<\/li>\n\n<li><strong>Vek<\/strong>\u00a0- star\u0161ie bat\u00e9rie sa menej nab\u00edjaj\u00fa<\/li>\n\n<li><strong>Vn\u00fatorn\u00fd odpor<\/strong>\u00a0- ovplyv\u0148uje nap\u00e4tie pri za\u0165a\u017een\u00ed<\/li>\n\n<li><strong>Straty meni\u010da<\/strong>\u00a0- Striedav\u00e9 z\u00e1\u0165a\u017ee \u010derpaj\u00fa viac Ah ako jednosmern\u00e9 z\u00e1\u0165a\u017ee<\/li>\n\n<li><strong>H\u013abka vyp\u00fa\u0161\u0165ania (DoD)<\/strong>\u00a0- hlb\u0161ie vybitie zni\u017euje vyu\u017eite\u013en\u00fa kapacitu Ah<\/li><\/ul><p>Spr\u00e1vny v\u00fdpo\u010det zoh\u013ead\u0148uj\u00faci tieto faktory v\u00e1m zaru\u010d\u00ed.&nbsp;<strong>nepodce\u0148ujte ve\u013ekos\u0165 bat\u00e9rie, ktor\u00fa skuto\u010dne potrebujete<\/strong>.<\/p><h1 class=\"wp-block-heading\" id=\"-the-exact-formula-to-calculate-amp-hours-for-a-12v-battery-\"><strong>Presn\u00fd vzorec na v\u00fdpo\u010det amp\u00e9rhod\u00edn pre 12V bat\u00e9riu<\/strong><\/h1><p>Existuj\u00fa&nbsp;<em>tri r\u00f4zne<\/em>&nbsp;vzorce v z\u00e1vislosti od \u00fadajov, ktor\u00e9 m\u00e1te k dispoz\u00edcii.<\/p><h2 class=\"wp-block-heading\" id=\"-formula-a-when-you-know-watt-hours-wh-\"><strong>Vzorec A: Ke\u010f pozn\u00e1te watthodiny (Wh)<\/strong><\/h2><p>Toto je najpresnej\u0161ia met\u00f3da.<\/p><p><strong>Ah = Wh \u00f7 nap\u00e4tie<\/strong><\/p><p><strong>Pr\u00edklad:<\/strong>&nbsp;Bat\u00e9ria = 1 280Wh Nap\u00e4tie = 12,8 V (LiFePO4)<\/p><p>Ah = 1280 \u00f7 12,8 =&nbsp;<strong>100 Ah<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"-formula-b-when-you-know-the-device-load-watts-\"><strong>Vzorec B: Ke\u010f pozn\u00e1te za\u0165a\u017eenie zariadenia (vo wattoch)<\/strong><\/h2><p>Sl\u00fa\u017ei na ur\u010denie ve\u013ekosti bat\u00e9rie pre va\u0161e spotrebi\u010de.&nbsp;<strong>Potrebn\u00e9 Ah = (Watty \u00d7 hodiny) \u00f7 nap\u00e4tie bat\u00e9rie<\/strong><\/p><p><strong>Pr\u00edklad:<\/strong>&nbsp;60W chladni\u010dka v prev\u00e1dzke 10 hod\u00edn:<\/p><p>60W \u00d7 10h = 600Wh 600Wh \u00f7 12V =&nbsp;<strong>Potrebn\u00fdch 50Ah<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"-formula-c-for-inverter-loads-ac-devices-\"><strong>Vzorec C: Pre za\u0165a\u017eenie meni\u010dom (zariadenia na striedav\u00fd pr\u00fad)<\/strong><\/h2><p>Meni\u010de nie s\u00fa 100% efekt\u00edvne.<\/p><p><strong>Ah = (Watty \u00d7 hodiny) \u00f7 (12V \u00d7 \u00fa\u010dinnos\u0165 meni\u010da)<\/strong>&nbsp;Typick\u00e1 \u00fa\u010dinnos\u0165 meni\u010da =&nbsp;<strong>85-92%<\/strong>.<\/p><p><strong>Pr\u00edklad:<\/strong>&nbsp;500W za\u0165a\u017eenie po\u010das 2 hod\u00edn \u00da\u010dinnos\u0165: 90%<\/p><p>Ah = (500 \u00d7 2) \u00f7 (12 \u00d7 0,9) \u2248&nbsp;<strong>92,5 Ah<\/strong><\/p><h1 class=\"wp-block-heading\" id=\"-understanding-how-your-electrical-load-changes-ah-requirements-\"><strong>Pochopenie toho, ako va\u0161e elektrick\u00e9 za\u0165a\u017eenie men\u00ed po\u017eiadavky Ah<\/strong><\/h1><p>R\u00f4zne z\u00e1\u0165a\u017ee vyb\u00edjaj\u00fa bat\u00e9rie r\u00f4zne. Toto si v\u00e4\u010d\u0161ina za\u010diato\u010dn\u00edkov neuvedomuje:<\/p><h2 class=\"wp-block-heading\" id=\"-1-high-current-loads-reduce-usable-ah-\"><strong>1. Vysokopr\u00fadov\u00e9 za\u0165a\u017eenie zni\u017euje vyu\u017eite\u013en\u00fa kapacitu Ah<\/strong><\/h2><p>Oloven\u00e9 kyseliny s\u00fa obzvl\u00e1\u0161\u0165 postihnut\u00e9 v d\u00f4sledku&nbsp;<strong>Peukertov z\u00e1kon<\/strong>. Oloven\u00e1 bat\u00e9ria s kapacitou 100 Ah m\u00f4\u017ee poskytova\u0165 len&nbsp;<strong>55-70 Ah<\/strong>&nbsp;pri ve\u013ekom za\u0165a\u017een\u00ed.<\/p><p>LiFePO4 je ove\u013ea stabilnej\u0161\u00ed - kapacita zost\u00e1va bl\u00edzka menovitej aj pri vysokom pr\u00fade.<\/p><h2 class=\"wp-block-heading\" id=\"-2-inverters-multiply-the-load-\"><strong>2. Meni\u010de n\u00e1sobia z\u00e1\u0165a\u017e<\/strong><\/h2><p>500W AC \u2260 500W DC Mus\u00edte vydeli\u0165 \u00fa\u010dinnos\u0165ou meni\u010da.<\/p><h2 class=\"wp-block-heading\" id=\"-3-motors-and-compressors-have-surge-current-\"><strong>3. Motory a kompresory maj\u00fa n\u00e1razov\u00fd pr\u00fad<\/strong><\/h2><p><strong>Pr\u00edklady:<\/strong><\/p><ul class=\"wp-block-list\"><li>Vzduchov\u00e9 kompresory (6\u00d7 n\u00e1razovo)<\/li>\n\n<li>Chladni\u010dky (2-3\u00d7)<\/li>\n\n<li>Bilge \u010derpadl\u00e1 (2-4\u00d7)<\/li>\n\n<li>Elektrick\u00e9 n\u00e1radie (2-3\u00d7)<\/li><\/ul><p>Bat\u00e9ria mus\u00ed zvl\u00e1dnu\u0165&nbsp;<strong>\u0161pi\u010dkov\u00e9 amp\u00e9ry<\/strong>, nie len na prev\u00e1dzkov\u00e9 zosil\u0148ova\u010de.<\/p><h1 class=\"wp-block-heading\" id=\"-how-to-estimate-runtime-of-a-12v-battery-accurate-method-\"><strong>Ako odhadn\u00fa\u0165 dobu prev\u00e1dzky 12V bat\u00e9rie (presn\u00e1 met\u00f3da)<\/strong><\/h1><p>Pou\u017eite tento vzorec:&nbsp;<strong>Doba prev\u00e1dzky (hodiny) = bat\u00e9ria Wh \u00f7 za\u0165a\u017eenie Watty<\/strong><\/p><p><strong>Pr\u00edklad:<\/strong>&nbsp;12V 100Ah LiFePO4 = 1 280Wh Pou\u017eite\u013en\u00e9 za\u0165a\u017eenie = 100W<\/p><p>\u010cas prev\u00e1dzky = 1280 \u00f7 100 =&nbsp;<strong>12,8 hodiny<\/strong>&nbsp;Jednoduch\u00e9 - ale s\u00fa potrebn\u00e9 \u00fapravy v re\u00e1lnom svete.<\/p><h1 class=\"wp-block-heading\" id=\"-real-world-factors-that-reduce-usable-amp-hours-\"><strong>Faktory re\u00e1lneho sveta, ktor\u00e9 skracuj\u00fa vyu\u017eite\u013en\u00e9 hodiny zosil\u0148ova\u010da<\/strong><\/h1><h2 class=\"wp-block-heading\" id=\"-1-depth-of-discharge-dod-\"><strong>1. H\u013abka vyp\u00fa\u0161\u0165ania (DoD)<\/strong><\/h2><p>R\u00f4zne chemick\u00e9 l\u00e1tky umo\u017e\u0148uj\u00fa r\u00f4zne percentu\u00e1lne vyu\u017eitie:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ch\u00e9mia<\/th><th>Pou\u017eite\u013en\u00e1 DoD<\/th><th>Pozn\u00e1mky<\/th><\/tr><\/thead><tbody><tr><td>Oloven\u00fd akumul\u00e1tor<\/td><td>50%<\/td><td>Ak sa \u010dasto vyb\u00edjate na 80% \u2192 bat\u00e9ria zomrie sk\u00f4r<\/td><\/tr><tr><td>AGM<\/td><td>60%<\/td><td>Lep\u0161ie, ale st\u00e1le obmedzen\u00e9<\/td><\/tr><tr><td>G\u00e9l<\/td><td>60-70%<\/td><td>Citlivos\u0165 na teplotu<\/td><\/tr><tr><td>LiFePO4<\/td><td>90-100%<\/td><td>Najstabilnej\u0161ia DoD<\/td><\/tr><\/tbody><\/table><\/figure><p>12V 100Ah bat\u00e9ria m\u00f4\u017ee ma\u0165 len:<\/p><ul class=\"wp-block-list\"><li><strong>50 Ah (oloven\u00e1 kyselina)<\/strong><\/li>\n\n<li><strong>95 Ah (LiFePO4)<\/strong><\/li><\/ul><h2 class=\"wp-block-heading\" id=\"-2-temperature-losses-\"><strong>2. Teplotn\u00e9 straty<\/strong><\/h2><p>Kapacitu bat\u00e9rie ovplyv\u0148uj\u00fa studen\u00e9 alebo hor\u00face podmienky. Typick\u00e9 zmeny n\u00e1jdete ni\u017e\u0161ie:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ch\u00e9mia bat\u00e9rie<\/th><th>0\u00b0C<\/th><th>25\u00b0C<\/th><th>40\u00b0C<\/th><th>Pozn\u00e1mky<\/th><\/tr><\/thead><tbody><tr><td>Oloven\u00fd akumul\u00e1tor<\/td><td>50%<\/td><td>100%<\/td><td>90%<\/td><td>Chlad v\u00fdrazne zni\u017euje kapacitu, hor\u00face ur\u00fdch\u013euje starnutie<\/td><\/tr><tr><td>AGM<\/td><td>55%<\/td><td>100%<\/td><td>92%<\/td><td>Lep\u0161ie ako zaplaven\u00e9 oloven\u00e9 kyseliny, ale st\u00e1le citliv\u00e9 na chlad<\/td><\/tr><tr><td>G\u00e9l<\/td><td>60%<\/td><td>100%<\/td><td>95%<\/td><td>Stabiln\u00fd pri miernych teplot\u00e1ch, pomal\u0161ia degrad\u00e1cia<\/td><\/tr><tr><td>LiFePO4<\/td><td>80%<\/td><td>100%<\/td><td>98%<\/td><td>Minim\u00e1lny vplyv teploty, najstabilnej\u0161\u00ed chemick\u00fd zlo\u017eenie<\/td><\/tr><tr><td>NMC\/NCA<\/td><td>70%<\/td><td>100%<\/td><td>90%<\/td><td>Citliv\u00e9 na extr\u00e9my, vysok\u00e1 hustota energie m\u00f4\u017ee zhor\u0161i\u0165 tepeln\u00fd efekt<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"-3-peukert-s-law-lead-acid-only-\"><strong>3. Peukertov z\u00e1kon (len pre oloven\u00e9 kyseliny)<\/strong><\/h2><p>Vy\u0161\u0161ie vybitie = ni\u017e\u0161ia skuto\u010dn\u00e1 kapacita. Oloven\u00e1 bat\u00e9ria s kapacitou 100 Ah pri vybit\u00ed 1C m\u00f4\u017ee dod\u00e1va\u0165 len&nbsp;<strong>55-65 Ah<\/strong>. LiFePO4 rob\u00ed&nbsp;<strong>nie<\/strong>&nbsp;trp\u00ed t\u00fdmto probl\u00e9mom.<\/p><h2 class=\"wp-block-heading\" id=\"-4-voltage-sag-under-load-\"><strong>4. Prehnutie nap\u00e4tia pri za\u0165a\u017een\u00ed<\/strong><\/h2><p>Z\u00e1\u0165a\u017ee ako:<\/p><ul class=\"wp-block-list\"><li>Trollingov\u00e9 motory<\/li>\n\n<li>\u010cerpadl\u00e1<\/li>\n\n<li>Navij\u00e1ky<\/li>\n\n<li>Meni\u010de<\/li><\/ul><p>m\u00f4\u017ee zn\u00ed\u017ei\u0165 nap\u00e4tie, \u010d\u00edm sa bat\u00e9ria m\u00f4\u017ee sk\u00f4r javi\u0165 ako \"pr\u00e1zdna\". LiFePO4 m\u00e1 v\u010faka n\u00edzkemu vn\u00fatorn\u00e9mu odporu ove\u013ea men\u0161\u00ed priehyb.<\/p><h2 class=\"wp-block-heading\" id=\"-high-current-loads-and-real-world-ah-\"><strong>Vysokopr\u00fadov\u00e9 za\u0165a\u017eenie a re\u00e1lny svet Ah<\/strong><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ bat\u00e9rie<\/th><th>Hodnotenie Ah<\/th><th>Pr\u00fad za\u0165a\u017eenia<\/th><th>\u00da\u010dinn\u00e9 Ah<\/th><th>Pozn\u00e1mky<\/th><\/tr><\/thead><tbody><tr><td>Oloven\u00fd akumul\u00e1tor<\/td><td>100 Ah<\/td><td>10A<\/td><td>92Ah<\/td><td>Mal\u00e9 za\u0165a\u017eenie, mal\u00fd Peukertov efekt<\/td><\/tr><tr><td>Oloven\u00fd akumul\u00e1tor<\/td><td>100 Ah<\/td><td>20A<\/td><td>75Ah<\/td><td>Mierne za\u0165a\u017eenie, v\u00fdrazn\u00fd pokles<\/td><\/tr><tr><td>Oloven\u00fd akumul\u00e1tor<\/td><td>100 Ah<\/td><td>50A<\/td><td>55Ah<\/td><td>Ve\u013ek\u00e9 za\u0165a\u017eenie, v\u00fdrazn\u00fd Peukertov efekt<\/td><\/tr><tr><td>LiFePO4<\/td><td>100 Ah<\/td><td>10A<\/td><td>98-100 Ah<\/td><td>Minim\u00e1lna strata kapacity pri za\u0165a\u017een\u00ed<\/td><\/tr><tr><td>LiFePO4<\/td><td>100 Ah<\/td><td>50A<\/td><td>95-100 Ah<\/td><td>Stabiln\u00fd aj pri vysok\u00fdch pr\u00fadoch<\/td><\/tr><\/tbody><\/table><\/figure><h1 class=\"wp-block-heading\" id=\"-how-to-calculate-the-ah-you-really-need-\"><strong>Ako vypo\u010d\u00edta\u0165 skuto\u010dne potrebn\u00fd Ah<\/strong><\/h1><p>Tu s\u00fa skuto\u010dn\u00e9 pr\u00edklady, ktor\u00e9 va\u0161i z\u00e1kazn\u00edci skuto\u010dne vyh\u013ead\u00e1vaj\u00fa - vynikaj\u00face pre SEO a zachytenie Featured Snippet.<\/p><h3 class=\"wp-block-heading\" id=\"rv-power-system\">Nap\u00e1jac\u00ed syst\u00e9m RV<\/h3><p>Spotrebi\u010de na de\u0148:<\/p><ul class=\"wp-block-list\"><li>Chladni\u010dka na 12 V: 45W \u00d7 10h = 450Wh<\/li>\n\n<li>Svetl\u00e1 LED: 20W \u00d7 4h = 80Wh<\/li>\n\n<li>Vodn\u00e9 \u010derpadlo: 60W \u00d7 0,5h = 30Wh<\/li>\n\n<li>Prenosn\u00fd po\u010d\u00edta\u010d: 60W \u00d7 3h = 180Wh<\/li><\/ul><p><strong>Celkov\u00e1 denn\u00e1 spotreba = 740Wh<\/strong><\/p><p>Po\u017eadovan\u00e1 bat\u00e9ria (LiFePO4): 740Wh \u00f7 12,8V =\u00a0<strong>58Ah<\/strong>\u00a0Pridajte bezpe\u010dnostn\u00fa rezervu 30%: 58 Ah \u00d7 1,3 \u2248\u00a0<strong>75Ah<\/strong>\u00a0<\/p><p>Odpor\u00fa\u010dame: <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/deep-cycle-6500-cycles-12v-100ah-lifepo4-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">12V 100Ah bat\u00e9ria LiFePO4<\/a><\/strong><\/p><h3 class=\"wp-block-heading\" id=\"off-grid-solar-system\">Sol\u00e1rny syst\u00e9m mimo siete<\/h3><p>Denn\u00e9 za\u0165a\u017eenie = 1500Wh Zber slne\u010dnej energie = 1000Wh (zamra\u010den\u00e9) Bat\u00e9ria mus\u00ed pokry\u0165 nedostatok: (1500 - 1000) = 500Wh Po\u017eadovan\u00e9 Ah: 500Wh \u00f7 12,8V =&nbsp;<strong>39Ah<\/strong>&nbsp;Prida\u0165 2 dni auton\u00f3mie \u2192 78Ah pou\u017eite\u013en\u00e1 LiFePO4 DoD 95% \u2192 82Ah nomin\u00e1lna Odpor\u00fa\u010dan\u00e1 ve\u013ekos\u0165 bat\u00e9rie:&nbsp;<strong>12V 100Ah alebo 12V 150Ah<\/strong>&nbsp;v z\u00e1vislosti od po\u010dasia.<\/p><h3 class=\"wp-block-heading\" id=\"marine-boat-applications\">Aplik\u00e1cie pre n\u00e1morn\u00e9 lode \/ \u010dlny<\/h3><ul class=\"wp-block-list\"><li>Bilge \u010derpadlo preru\u0161ovan\u00e9: 5A \u00d7 2h = 10Ah<\/li>\n\n<li>Chartplotter: 3A \u00d7 5h = 15Ah<\/li>\n\n<li>Svetl\u00e1: 2A \u00d7 6h = 12Ah<\/li>\n\n<li>Vyh\u013ead\u00e1va\u010d r\u00fdb: 1A \u00d7 8h = 8Ah<\/li><\/ul><p>Spolu =&nbsp;<strong>45 Ah na jednu cestu<\/strong>&nbsp;Pridajte bezpe\u010dnostn\u00fa rezervu 50% \u2192&nbsp;<strong>67Ah<\/strong><\/p><p>Odpor\u00fa\u010danie:\u00a0<strong><a href=\"https:\/\/www.kmdpower.com\/sk\/deep-cycle-6500-cycles-12v-100ah-lifepo4-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">12V 100Ah bat\u00e9ria LiFePO4<\/a><\/strong>\u00a0(najlep\u0161ie pre lode kv\u00f4li bezpe\u010dnosti + bez v\u00fdparov)<\/p><h1 class=\"wp-block-heading\" id=\"-tools-for-measuring-actual-battery-ah-\"><strong>N\u00e1stroje na meranie skuto\u010dnej kapacity bat\u00e9rie Ah<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"battery-analyzer-capacity-tester\">Analyz\u00e1tor bat\u00e9ri\u00ed \/ tester kapacity<\/h3><p>Plne vyb\u00edja a meria skuto\u010dn\u00fd Ah.<\/p><h3 class=\"wp-block-heading\" id=\"smart-shunt-victron-renogy-etc-\">Inteligentn\u00fd bo\u010dn\u00edk (Victron, Renogy at\u010f.)<\/h3><p>Monitory: SOC, amp\u00e9ry, nap\u00e4tie, spotrebovan\u00e9 Ah<\/p><h3 class=\"wp-block-heading\" id=\"bms-lifepo4-only-\">BMS (iba LiFePO4)<\/h3><p>Zobrazuje intern\u00e9 \u00fadaje na \u00farovni buniek.<\/p><h3 class=\"wp-block-heading\" id=\"multimeter-load\">Multimeter + z\u00e1\u0165a\u017e<\/h3><p>Z\u00e1kladn\u00e1 met\u00f3da sk\u00fa\u0161ania olovnatej kyseliny. Pre l\u00edtiov\u00e9 syst\u00e9my je najpresnej\u0161\u00ed inteligentn\u00fd bo\u010dn\u00edk.<\/p><h1 class=\"wp-block-heading\" id=\"-how-battery-chemistry-affects-ah-calculation-\"><strong>Ako ch\u00e9mia bat\u00e9rie ovplyv\u0148uje v\u00fdpo\u010det Ah<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"lead-acid\">Olovnato-kyselinov\u00e9<\/h3><ul class=\"wp-block-list\"><li>Len vyu\u017eite\u013en\u00e1 kapacita\u00a0<strong>50%<\/strong><\/li>\n\n<li>Siln\u00fd Peukertov efekt<\/li>\n\n<li>Nap\u00e4tie r\u00fdchlo kles\u00e1<\/li>\n\n<li>Citlivos\u0165 na teplotu<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"lifepo4\">LiFePO4<\/h3><ul class=\"wp-block-list\"><li>Pou\u017eite\u013en\u00e9 95-100%<\/li>\n\n<li>Ploch\u00e1 krivka nap\u00e4tia<\/li>\n\n<li>Minim\u00e1lny priehyb nap\u00e4tia<\/li>\n\n<li>Stabilita pri vysokom za\u0165a\u017een\u00ed<\/li>\n\n<li>Dlh\u00e1 \u017eivotnos\u0165 cyklu<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"sodium-ion-emerging-\"><strong><a href=\"https:\/\/www.kmdpower.com\/sk\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sod\u00edkovo-i\u00f3nov\u00e1 bat\u00e9ria<\/a><\/strong> (Vznikaj\u00face)<\/h3><ul class=\"wp-block-list\"><li>Lep\u0161\u00ed v\u00fdkon za studena<\/li>\n\n<li>Ni\u017e\u0161ia hustota energie<\/li>\n\n<li>Dobr\u00fd bezpe\u010dnostn\u00fd profil<\/li>\n\n<li>Vhodn\u00e9 na stacion\u00e1rne skladovanie<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"nmc-nca-lithium\">NMC\/NCA L\u00edtium<\/h3><ul class=\"wp-block-list\"><li>Vy\u0161\u0161ia hustota energie<\/li>\n\n<li>Menej stabiln\u00fd ako LiFePO4<\/li>\n\n<li>Citlivej\u0161ie na teplotu<\/li><\/ul><p>Pre takmer v\u0161etky dne\u0161n\u00e9 12 V aplik\u00e1cie,&nbsp;<strong>LiFePO4 je lep\u0161ou vo\u013ebou.<\/strong><\/p><h1 class=\"wp-block-heading\" id=\"-common-misconceptions-about-12v-battery-ah-\"><strong>Be\u017en\u00e9 myln\u00e9 predstavy o 12V bat\u00e9rii Ah<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"a-100ah-battery-always-gives-100ah-\">100Ah bat\u00e9ria v\u017edy poskytuje 100Ah.<\/h3><p>Nie, pokia\u013e nejde o LiFePO4 pri miernom vybit\u00ed.<\/p><h3 class=\"wp-block-heading\" id=\"a-bigger-inverter-doesn-t-affect-ah-\">V\u00e4\u010d\u0161\u00ed meni\u010d nem\u00e1 vplyv na Ah.<\/h3><p>Rozhodne \u00e1no - vy\u0161\u0161\u00ed n\u00e1rast + vy\u0161\u0161ia neefekt\u00edvnos\u0165.<\/p><h3 class=\"wp-block-heading\" id=\"voltage-doesn-t-matter-\">Na nap\u00e4t\u00ed nez\u00e1le\u017e\u00ed.<\/h3><p>Ni\u017e\u0161ie nap\u00e4tie = vy\u0161\u0161\u00ed po\u010det amp\u00e9rov = r\u00fdchlej\u0161ie vybitie bat\u00e9rie.<\/p><h3 class=\"wp-block-heading\" id=\"all-12v-batteries-are-12-0v-\">V\u0161etky 12V bat\u00e9rie maj\u00fa nap\u00e4tie 12,0 V.<\/h3><p>Nap\u00e4tie sa men\u00ed:<\/p><ul class=\"wp-block-list\"><li>Oloven\u00e1 kyselina: 10,5-12,7 V<\/li>\n\n<li>LiFePO4: 10,0-14,6 V<\/li>\n\n<li>Efekt\u00edvne nap\u00e4tie pre LiFePO4 \u2248 12,8 V<\/li><\/ul><h1 class=\"wp-block-heading\" id=\"-how-to-choose-the-right-12v-battery-ah-expert-framework-\"><strong>Ako vybra\u0165 spr\u00e1vnu 12V bat\u00e9riu Ah (odborn\u00fd r\u00e1mec)<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"step-1-calculate-total-daily-watt-hours-\">Krok 1: Vypo\u010d\u00edtajte celkov\u00fd denn\u00fd po\u010det watt-hod\u00edn.<\/h3><p>Pridajte v\u0161etky zariadenia.<\/p><h3 class=\"wp-block-heading\" id=\"step-2-convert-to-ah-\">Krok 2: Prevod na Ah.<\/h3><p>Wh \u00f7 nap\u00e4tie syst\u00e9mu.<\/p><h3 class=\"wp-block-heading\" id=\"step-3-add-safety-margin\">Krok 3: Pridanie bezpe\u010dnostnej rezervy<\/h3><ul class=\"wp-block-list\"><li>RV\/marine \u2192 +30%<\/li>\n\n<li>Sol\u00e1rna energia mimo siete \u2192 +50%<\/li>\n\n<li>Priemyseln\u00e9 \u2192 +70-100%<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"step-4-choose-chemistry\">Krok 4: V\u00fdber ch\u00e9mie<\/h3><p>LiFePO4 sa odpor\u00fa\u010da pre:<\/p><ul class=\"wp-block-list\"><li>RV<\/li>\n\n<li>Marine<\/li>\n\n<li>Sol\u00e1rne<\/li>\n\n<li>Mimo siete<\/li>\n\n<li>Priemyseln\u00e9 z\u00e1lohovanie<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"step-5-select-battery-size\">Krok 5: V\u00fdber ve\u013ekosti bat\u00e9rie<\/h3><p>Vyberte si najbli\u017e\u0161ie&nbsp;<em>v\u00e4\u010d\u0161ie<\/em>&nbsp;Ach, t\u00e1to mo\u017enos\u0165.<\/p><h1 class=\"wp-block-heading\" id=\"-conclusion-\"><strong>Z\u00e1ver<\/strong><\/h1><p>Spr\u00e1vny v\u00fdpo\u010det amp\u00e9rhod\u00edn je jednoduch\u00fd, ke\u010f zmapujete skuto\u010dn\u00e9 za\u0165a\u017eenie, cie\u013eov\u00fd \u010das prev\u00e1dzky, pou\u017eite\u013en\u00fa h\u013abku vybitia a straty \u0161pecifick\u00e9 pre chemick\u00fd zlo\u017eenie - v\u00fdsledkom je bat\u00e9riov\u00fd syst\u00e9m, ktor\u00fd funguje dlh\u0161ie, vydr\u017e\u00ed dlh\u0161ie a po\u010das svojej \u017eivotnosti stoj\u00ed menej ako syst\u00e9m postaven\u00fd na odhadoch.<\/p><p>Ak \u0161pecifikujete bat\u00e9rie pre obytn\u00e9 automobily, n\u00e1morn\u00e9 plavidl\u00e1, kab\u00edny mimo siete alebo priemyseln\u00e9 z\u00e1lo\u017en\u00e9 zdroje a chcete z\u00edska\u0165 odpor\u00fa\u010dan\u00fa kapacitu alebo n\u00e1vrh bat\u00e9ri\u00ed na mieru, ktor\u00fd zoh\u013ead\u0148uje n\u00e1razov\u00e9 pr\u00fady, teplotu a straty meni\u010da, <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kontaktujte spolo\u010dnos\u0165 kamada power.<\/a><\/strong> Prisp\u00f4sob\u00edme v\u00e1m <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/12v-lifepo4-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\">vlastn\u00e9 rie\u0161enie 12V bat\u00e9rie<\/a><\/strong> \u0161peci\u00e1lne pre v\u00e1s.<\/p><h1 class=\"wp-block-heading\" id=\"-faqs-\"><strong>\u010casto kladen\u00e9 ot\u00e1zky<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"1-how-many-ah-is-a-typical-12v-battery-\">1. Ko\u013eko Ah m\u00e1 typick\u00e1 12V bat\u00e9ria?<\/h3><p>Rozsah od&nbsp;<strong>20Ah a\u017e 300Ah<\/strong>. Be\u017en\u00e9 ve\u013ekosti:&nbsp;<strong>50Ah, 100Ah, 200Ah<\/strong>.<\/p><h3 class=\"wp-block-heading\" id=\"2-how-long-will-a-12v-100ah-battery-run-a-fridge-\">2. Ako dlho vydr\u017e\u00ed chladni\u010dka s 12V 100Ah bat\u00e9riou?<\/h3><p>Typick\u00e1 12V chladni\u010dka: 40-60W \u2192 Pribli\u017ene&nbsp;<strong>12-20 hod\u00edn<\/strong>.<\/p><h3 class=\"wp-block-heading\" id=\"3-is-100ah-enough-for-rv-\">3. Sta\u010d\u00ed 100Ah pre RV?<\/h3><p>Na \u013eahk\u00e9 pou\u017eitie \u00e1no. Na pln\u00fd \u00fav\u00e4zok mimo siete,&nbsp;<strong>200-300 Ah je lep\u0161ie<\/strong>.<\/p><h3 class=\"wp-block-heading\" id=\"4-does-a-12v-battery-with-higher-ah-last-longer-\">4. M\u00e1 12V bat\u00e9ria s vy\u0161\u0161ou kapacitou Ah dlh\u0161iu \u017eivotnos\u0165?<\/h3><p>\u00c1no. Viac Ah = viac ulo\u017eenej energie.<\/p><h3 class=\"wp-block-heading\" id=\"5-is-lifepo4-better-than-agm-for-ah-\">5. Je LiFePO4 lep\u0161\u00ed ako AGM pre Ah?<\/h3><p>\u00c1no - LiFePO4 poskytuje&nbsp;<strong>takmer dvojn\u00e1sobok vyu\u017eite\u013enej kapacity Ah<\/strong>&nbsp;v porovnan\u00ed s AGM.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ak ste sa niekedy pok\u00fa\u0161ali ur\u010di\u0165 ve\u013ekos\u0165 12V bat\u00e9rie pre sol\u00e1rne, obytn\u00e9 vozidl\u00e1, n\u00e1morn\u00e9, off-grid alebo priemyseln\u00e9 zariadenia, pravdepodobne ste sa stretli s rovnakou ot\u00e1zkou: \"Amp\u00e9rhodiny (Ah) ur\u010duj\u00fa, ako dlho bude bat\u00e9ria poh\u00e1\u0148a\u0165 va\u0161e zariadenia. Ich v\u00fdpo\u010det v\u0161ak nie je v\u017edy jednoduch\u00fd. Za\u0165a\u017eovacie profily, \u00fa\u010dinnos\u0165 meni\u010da, Peukertova...<\/p>","protected":false},"author":1,"featured_media":2940,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19,26],"tags":[],"class_list":["post-4968","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_catalog","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/comments?post=4968"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4968\/revisions"}],"predecessor-version":[{"id":4969,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4968\/revisions\/4969"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media\/2940"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media?parent=4968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/categories?post=4968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/tags?post=4968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}