{"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\/cs\/news\/how-to-calculate-12v-battery-amp-hours-ah-guide\/","title":{"rendered":"N\u00e1vod na v\u00fdpo\u010det amp\u00e9rhodin (Ah) 12V baterie"},"content":{"rendered":"<p>Pokud jste se n\u011bkdy pokou\u0161eli ur\u010dit velikost <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/12v-lifepo4-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\">12V baterie<\/a><\/strong> pro sol\u00e1rn\u00ed, obytn\u00e9 vozy, lodn\u00ed, off-grid nebo pr\u016fmyslov\u00e1 za\u0159\u00edzen\u00ed, jste pravd\u011bpodobn\u011b narazili na stejnou ot\u00e1zku:\u00a0<strong>\"Jak vypo\u010d\u00edtat amp\u00e9rhodiny (Ah) 12V baterie\"<\/strong><\/p><p>Amp\u00e9rhodiny (Ah) ur\u010duj\u00ed, jak dlouho vydr\u017e\u00ed baterie nap\u00e1jet va\u0161e za\u0159\u00edzen\u00ed. Jejich v\u00fdpo\u010det v\u0161ak nen\u00ed v\u017edy jednoduch\u00fd. Profily zat\u00ed\u017een\u00ed, \u00fa\u010dinnost m\u011bni\u010de, Peukert\u016fv z\u00e1kon, chemick\u00fd slo\u017een\u00ed baterie, teplota, pokles nap\u011bt\u00ed - v\u0161echny tyto faktory mohou v\u00fdrazn\u011b zm\u011bnit skute\u010dnou kapacitu.<\/p><p>Jako in\u017een\u00fdr bateri\u00ed, kter\u00fd denn\u011b spolupracuje s majiteli dom\u016f, obytn\u00fdch voz\u016f a lod\u00ed a s integr\u00e1tory pr\u016fmyslov\u00fdch syst\u00e9m\u016f, v\u00e1m tuto problematiku vysv\u011btl\u00edm jednodu\u0161e, prakticky a na z\u00e1klad\u011b zku\u0161enost\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\/cs\/deep-cycle-6500-cycles-12v-100ah-lifepo4-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Baterie Kamada Power 12V 100Ah Lifepo4<\/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\/cs\/kamada-poewr-12v-100ah-sodium-ion-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 12V 100AH sod\u00edkoiontov\u00e1 baterie<\/a><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"-what-does-amp-hour-ah-actually-mean-for-a-12v-battery-\"><strong>Co vlastn\u011b znamen\u00e1 amp\u00e9rhodina (Ah) pro 12V baterii?<\/strong><\/h2><p><strong>Amp\u00e9rhodiny (Ah)<\/strong>&nbsp;m\u011b\u0159it kapacitu baterie&nbsp;<em>ulo\u017een\u00e1 energie<\/em>&nbsp;- mno\u017estv\u00ed proudu, kter\u00e9 m\u016f\u017ee baterie dod\u00e1vat po ur\u010ditou dobu.<\/p><h3 class=\"wp-block-heading\" id=\"-basic-definition-\"><strong>Z\u00e1kladn\u00ed definice<\/strong><\/h3><p>1 Ah = 1 amp\u00e9r dod\u00e1van\u00fd po dobu 1 hodiny<\/p><p><strong>P\u0159\u00edklad:<\/strong>&nbsp;A&nbsp;<strong>12V 100Ah baterie<\/strong>&nbsp;m\u016f\u017ee teoreticky poskytnout:<\/p><ul class=\"wp-block-list\"><li><strong>100 amp\u00e9r\u016f po dobu 1 hodiny<\/strong><\/li>\n\n<li><strong>20 amp\u00e9r\u016f po dobu 5 hodin<\/strong><\/li>\n\n<li><strong>5 amp\u00e9r po dobu 20 hodin<\/strong><\/li><\/ul><p><strong>Pozn\u00e1mka:<\/strong>&nbsp;Toto je&nbsp;<em>teorie ide\u00e1lu<\/em>. Re\u00e1lnou kapacitu ovliv\u0148uje n\u011bkolik faktor\u016f.<\/p><h3 class=\"wp-block-heading\" id=\"-factors-affecting-real-world-capacity-\"><strong>Faktory ovliv\u0148uj\u00edc\u00ed re\u00e1lnou kapacitu<\/strong><\/h3><ul class=\"wp-block-list\"><li><strong>Chemick\u00e9 slo\u017een\u00ed bateri\u00ed<\/strong>\u00a0- LiFePO4 vs. olov\u011bn\u00e1 kyselina vs. AGM<\/li>\n\n<li><strong>Teplota<\/strong>\u00a0- chladn\u00e9 nebo hork\u00e9 podm\u00ednky sni\u017euj\u00ed kapacitu<\/li>\n\n<li><strong>Rychlost vypou\u0161t\u011bn\u00ed<\/strong>\u00a0- vysok\u00fd proud se vyb\u00edj\u00ed rychleji<\/li>\n\n<li><strong>V\u011bk<\/strong>\u00a0- star\u0161\u00ed baterie dr\u017e\u00ed m\u00e9n\u011b n\u00e1boje<\/li>\n\n<li><strong>Vnit\u0159n\u00ed odpor<\/strong>\u00a0- ovliv\u0148uje nap\u011bt\u00ed p\u0159i zat\u00ed\u017een\u00ed<\/li>\n\n<li><strong>Ztr\u00e1ty m\u011bni\u010de<\/strong>\u00a0- St\u0159\u00eddav\u00e9 z\u00e1t\u011b\u017ee odeb\u00edraj\u00ed v\u00edce Ah ne\u017e stejnosm\u011brn\u00e9 z\u00e1t\u011b\u017ee<\/li>\n\n<li><strong>Hloubka vypou\u0161t\u011bn\u00ed (DoD)<\/strong>\u00a0- hlub\u0161\u00ed vybit\u00ed sni\u017euje vyu\u017eitelnou kapacitu Ah<\/li><\/ul><p>Spr\u00e1vn\u00fd v\u00fdpo\u010det s ohledem na tyto faktory v\u00e1m zajist\u00ed.&nbsp;<strong>nepodce\u0148ujte velikost baterie, kterou skute\u010dn\u011b pot\u0159ebujete.<\/strong>.<\/p><h1 class=\"wp-block-heading\" id=\"-the-exact-formula-to-calculate-amp-hours-for-a-12v-battery-\"><strong>P\u0159esn\u00fd vzorec pro v\u00fdpo\u010det amp\u00e9rhodin pro 12V baterii<\/strong><\/h1><p>Existuj\u00ed&nbsp;<em>t\u0159i r\u016fzn\u00e9<\/em>&nbsp;vzorce v z\u00e1vislosti na tom, jak\u00e1 data m\u00e1te k dispozici.<\/p><h2 class=\"wp-block-heading\" id=\"-formula-a-when-you-know-watt-hours-wh-\"><strong>Vzorec A: Kdy\u017e zn\u00e1te watthodiny (Wh)<\/strong><\/h2><p>Jedn\u00e1 se o nejp\u0159esn\u011bj\u0161\u00ed metodu.<\/p><p><strong>Ah = Wh \u00f7 nap\u011bt\u00ed<\/strong><\/p><p><strong>P\u0159\u00edklad:<\/strong>&nbsp;Baterie = 1 280Wh Nap\u011bt\u00ed = 12,8 V (LiFePO4)<\/p><p>Ah = 1280 \u00f7 12,8 =&nbsp;<strong>100Ah<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"-formula-b-when-you-know-the-device-load-watts-\"><strong>Vzorec B: Kdy\u017e zn\u00e1te zat\u00ed\u017een\u00ed za\u0159\u00edzen\u00ed (watty)<\/strong><\/h2><p>Slou\u017e\u00ed k ur\u010den\u00ed velikosti baterie pro spot\u0159ebi\u010de.&nbsp;<strong>Pot\u0159ebn\u00fd Ah = (Watty \u00d7 hodiny) \u00f7 nap\u011bt\u00ed baterie<\/strong><\/p><p><strong>P\u0159\u00edklad:<\/strong>&nbsp;60W chladni\u010dka v provozu po dobu 10 hodin:<\/p><p>60W \u00d7 10h = 600Wh 600Wh \u00f7 12V =&nbsp;<strong>Pot\u0159eba 50Ah<\/strong><\/p><h2 class=\"wp-block-heading\" id=\"-formula-c-for-inverter-loads-ac-devices-\"><strong>Vzorec C: Pro z\u00e1t\u011b\u017ee st\u0159\u00edda\u010de (st\u0159\u00eddav\u00e1 za\u0159\u00edzen\u00ed)<\/strong><\/h2><p>M\u011bni\u010de nejsou 100% \u00fa\u010dinn\u00e9.<\/p><p><strong>Ah = (Watty \u00d7 hodiny) \u00f7 (12V \u00d7 \u00fa\u010dinnost m\u011bni\u010de)<\/strong>&nbsp;Typick\u00e1 \u00fa\u010dinnost m\u011bni\u010de =&nbsp;<strong>85-92%<\/strong>.<\/p><p><strong>P\u0159\u00edklad:<\/strong>&nbsp;Zat\u00ed\u017een\u00ed 500 W po dobu 2 hodin \u00da\u010dinnost: 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>Pochopen\u00ed toho, jak va\u0161e elektrick\u00e9 zat\u00ed\u017een\u00ed m\u011bn\u00ed po\u017eadavky Ah<\/strong><\/h1><p>R\u016fzn\u00e9 z\u00e1t\u011b\u017ee vyb\u00edjej\u00ed baterie r\u016fzn\u011b. Tohle si v\u011bt\u0161ina za\u010d\u00e1te\u010dn\u00edk\u016f neuv\u011bdomuje:<\/p><h2 class=\"wp-block-heading\" id=\"-1-high-current-loads-reduce-usable-ah-\"><strong>1. Vysokoproud\u00e1 z\u00e1t\u011b\u017e sni\u017euje vyu\u017eitelnou kapacitu Ah<\/strong><\/h2><p>Olov\u011bn\u00e9 kyseliny jsou posti\u017eeny zejm\u00e9na kv\u016fli&nbsp;<strong>Peukert\u016fv z\u00e1kon<\/strong>. Olov\u011bn\u00fd akumul\u00e1tor o kapacit\u011b 100 Ah m\u016f\u017ee poskytovat pouze&nbsp;<strong>55-70 Ah<\/strong>&nbsp;p\u0159i velk\u00e9m zat\u00ed\u017een\u00ed.<\/p><p>LiFePO4 je mnohem stabiln\u011bj\u0161\u00ed - kapacita z\u016fst\u00e1v\u00e1 bl\u00edzk\u00e1 jmenovit\u00e9 i p\u0159i vysok\u00e9m proudu.<\/p><h2 class=\"wp-block-heading\" id=\"-2-inverters-multiply-the-load-\"><strong>2. M\u011bni\u010de n\u00e1sob\u00ed z\u00e1t\u011b\u017e<\/strong><\/h2><p>500W AC \u2260 500W DC Je t\u0159eba vyd\u011blit \u00fa\u010dinnost\u00ed m\u011bni\u010de.<\/p><h2 class=\"wp-block-heading\" id=\"-3-motors-and-compressors-have-surge-current-\"><strong>3. Motory a kompresory maj\u00ed n\u00e1razov\u00fd proud<\/strong><\/h2><p><strong>P\u0159\u00edklady:<\/strong><\/p><ul class=\"wp-block-list\"><li>Vzduchov\u00e9 kompresory (6\u00d7 n\u00e1razov\u011b)<\/li>\n\n<li>Chladni\u010dky (2-3\u00d7)<\/li>\n\n<li>Podlahov\u00e1 \u010derpadla (2-4\u00d7)<\/li>\n\n<li>Elektrick\u00e9 n\u00e1\u0159ad\u00ed (2-3\u00d7)<\/li><\/ul><p>Baterie mus\u00ed zvl\u00e1dnout&nbsp;<strong>\u0161pi\u010dkov\u00e9 amp\u00e9ry<\/strong>, nikoliv pouze na b\u011b\u017e\u00edc\u00ed zesilova\u010de.<\/p><h1 class=\"wp-block-heading\" id=\"-how-to-estimate-runtime-of-a-12v-battery-accurate-method-\"><strong>Jak odhadnout dobu provozu 12V baterie (p\u0159esn\u00e1 metoda)<\/strong><\/h1><p>Pou\u017eijte tento vzorec:&nbsp;<strong>Doba provozu (hodiny) = Wh baterie \u00f7 Watty z\u00e1t\u011b\u017ee<\/strong><\/p><p><strong>P\u0159\u00edklad:<\/strong>&nbsp;12V 100Ah LiFePO4 = 1 280Wh Pou\u017eiteln\u00e9 zat\u00ed\u017een\u00ed = 100W<\/p><p>Doba provozu = 1280 \u00f7 100 =&nbsp;<strong>12,8 hodiny<\/strong>&nbsp;Snadn\u00e9 - ale je t\u0159eba prov\u00e9st \u00fapravy v re\u00e1ln\u00e9m sv\u011bt\u011b.<\/p><h1 class=\"wp-block-heading\" id=\"-real-world-factors-that-reduce-usable-amp-hours-\"><strong>Faktory re\u00e1ln\u00e9ho sv\u011bta, kter\u00e9 sni\u017euj\u00ed po\u010det vyu\u017eiteln\u00fdch hodin amp\u00e9rhodin<\/strong><\/h1><h2 class=\"wp-block-heading\" id=\"-1-depth-of-discharge-dod-\"><strong>1. Hloubka vypou\u0161t\u011bn\u00ed (DoD)<\/strong><\/h2><p>R\u016fzn\u00e9 chemik\u00e1lie umo\u017e\u0148uj\u00ed r\u016fzn\u00e9 procento pou\u017eitelnosti:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Chemie<\/th><th>Pou\u017eiteln\u00e1 DoD<\/th><th>Pozn\u00e1mky<\/th><\/tr><\/thead><tbody><tr><td>Olov\u011bn\u00fd akumul\u00e1tor<\/td><td>50%<\/td><td>Pokud \u010dasto vyb\u00edj\u00edte na 80% \u2192 baterie se vybije d\u0159\u00edve<\/td><\/tr><tr><td>AGM<\/td><td>60%<\/td><td>Lep\u0161\u00ed, ale st\u00e1le omezen\u00e9<\/td><\/tr><tr><td>Gel<\/td><td>60-70%<\/td><td>Citliv\u00e9 na teplotu<\/td><\/tr><tr><td>LiFePO4<\/td><td>90-100%<\/td><td>Nejstabiln\u011bj\u0161\u00ed DoD<\/td><\/tr><\/tbody><\/table><\/figure><p>12V baterie s kapacitou 100 Ah m\u016f\u017ee m\u00edt pouze:<\/p><ul class=\"wp-block-list\"><li><strong>Pou\u017eiteln\u00e1 kapacita 50 Ah (olov\u011bn\u00e1 kyselina)<\/strong><\/li>\n\n<li><strong>Pou\u017eiteln\u00e1 kapacita 95 Ah (LiFePO4)<\/strong><\/li><\/ul><h2 class=\"wp-block-heading\" id=\"-2-temperature-losses-\"><strong>2. Teplotn\u00ed ztr\u00e1ty<\/strong><\/h2><p>Kapacitu baterie ovliv\u0148uj\u00ed chladn\u00e9 nebo hork\u00e9 podm\u00ednky. Typick\u00e9 zm\u011bny viz n\u00ed\u017ee:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Chemie bateri\u00ed<\/th><th>0\u00b0C<\/th><th>25\u00b0C<\/th><th>40\u00b0C<\/th><th>Pozn\u00e1mky<\/th><\/tr><\/thead><tbody><tr><td>Olov\u011bn\u00fd akumul\u00e1tor<\/td><td>50%<\/td><td>100%<\/td><td>90%<\/td><td>Chlad v\u00fdrazn\u011b sni\u017euje kapacitu, horko urychluje st\u00e1rnut\u00ed<\/td><\/tr><tr><td>AGM<\/td><td>55%<\/td><td>100%<\/td><td>92%<\/td><td>Lep\u0161\u00ed ne\u017e olov\u011bn\u00fd akumul\u00e1tor, ale st\u00e1le citliv\u00fd na chlad.<\/td><\/tr><tr><td>Gel<\/td><td>60%<\/td><td>100%<\/td><td>95%<\/td><td>Stabiln\u00ed p\u0159i m\u00edrn\u00fdch teplot\u00e1ch, pomalej\u0161\u00ed rozklad<\/td><\/tr><tr><td>LiFePO4<\/td><td>80%<\/td><td>100%<\/td><td>98%<\/td><td>Minim\u00e1ln\u00ed vliv teploty, nejstabiln\u011bj\u0161\u00ed chemie<\/td><\/tr><tr><td>NMC\/NCA<\/td><td>70%<\/td><td>100%<\/td><td>90%<\/td><td>Citlivost na extr\u00e9my, vysok\u00e1 hustota energie m\u016f\u017ee zhor\u0161it tepeln\u00fd efekt<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"-3-peukert-s-law-lead-acid-only-\"><strong>3. Peukert\u016fv z\u00e1kon (pouze olovnat\u00e9 kyseliny)<\/strong><\/h2><p>Vy\u0161\u0161\u00ed vybit\u00ed = ni\u017e\u0161\u00ed skute\u010dn\u00e1 kapacita. Olov\u011bn\u00fd akumul\u00e1tor o kapacit\u011b 100 Ah p\u0159i vyb\u00edjen\u00ed 1C m\u016f\u017ee poskytovat pouze&nbsp;<strong>55-65Ah<\/strong>. LiFePO4 d\u011bl\u00e1&nbsp;<strong>ne<\/strong>&nbsp;trp\u00ed t\u00edmto probl\u00e9mem.<\/p><h2 class=\"wp-block-heading\" id=\"-4-voltage-sag-under-load-\"><strong>4. Pokles nap\u011bt\u00ed p\u0159i zat\u00ed\u017een\u00ed<\/strong><\/h2><p>Spousta v\u011bc\u00ed jako:<\/p><ul class=\"wp-block-list\"><li>Trollingov\u00e9 motory<\/li>\n\n<li>\u010cerpadla<\/li>\n\n<li>Navij\u00e1ky<\/li>\n\n<li>M\u011bni\u010de<\/li><\/ul><p>m\u016f\u017ee st\u00e1hnout nap\u011bt\u00ed dol\u016f, tak\u017ee se baterie d\u0159\u00edve jev\u00ed jako \"pr\u00e1zdn\u00e1\". LiFePO4 m\u00e1 d\u00edky n\u00edzk\u00e9mu vnit\u0159n\u00edmu odporu mnohem men\u0161\u00ed pr\u016fhyb.<\/p><h2 class=\"wp-block-heading\" id=\"-high-current-loads-and-real-world-ah-\"><strong>Vysokoproud\u00e9 z\u00e1t\u011b\u017ee a re\u00e1ln\u00fd sv\u011bt Ah<\/strong><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ baterie<\/th><th>Hodnoceno Ah<\/th><th>Z\u00e1t\u011b\u017eov\u00fd proud<\/th><th>Efektivn\u00ed Ah<\/th><th>Pozn\u00e1mky<\/th><\/tr><\/thead><tbody><tr><td>Olov\u011bn\u00fd akumul\u00e1tor<\/td><td>100Ah<\/td><td>10A<\/td><td>92Ah<\/td><td>Lehk\u00e9 zat\u00ed\u017een\u00ed, mal\u00fd Peukert\u016fv efekt<\/td><\/tr><tr><td>Olov\u011bn\u00fd akumul\u00e1tor<\/td><td>100Ah<\/td><td>20A<\/td><td>75Ah<\/td><td>M\u00edrn\u00e9 zat\u00ed\u017een\u00ed, v\u00fdrazn\u00fd pokles<\/td><\/tr><tr><td>Olov\u011bn\u00fd akumul\u00e1tor<\/td><td>100Ah<\/td><td>50A<\/td><td>55Ah<\/td><td>Velk\u00e9 zat\u00ed\u017een\u00ed, v\u00fdrazn\u00fd Peukert\u016fv efekt<\/td><\/tr><tr><td>LiFePO4<\/td><td>100Ah<\/td><td>10A<\/td><td>98-100Ah<\/td><td>Minim\u00e1ln\u00ed ztr\u00e1ta kapacity p\u0159i zat\u00ed\u017een\u00ed<\/td><\/tr><tr><td>LiFePO4<\/td><td>100Ah<\/td><td>50A<\/td><td>95-100Ah<\/td><td>Stabiln\u00ed i p\u0159i vysok\u00fdch proudech<\/td><\/tr><\/tbody><\/table><\/figure><h1 class=\"wp-block-heading\" id=\"-how-to-calculate-the-ah-you-really-need-\"><strong>Jak vypo\u010d\u00edtat, kolik Ah skute\u010dn\u011b pot\u0159ebujete<\/strong><\/h1><p>Zde jsou skute\u010dn\u00e9 p\u0159\u00edklady, kter\u00e9 va\u0161i z\u00e1kazn\u00edci skute\u010dn\u011b hledaj\u00ed - vynikaj\u00edc\u00ed pro SEO a zachycen\u00ed Featured Snippet.<\/p><h3 class=\"wp-block-heading\" id=\"rv-power-system\">Nap\u00e1jec\u00ed syst\u00e9m pro obytn\u00e1 vozidla<\/h3><p>Spot\u0159ebi\u010de na den:<\/p><ul class=\"wp-block-list\"><li>Chladni\u010dka na 12 V: 45W \u00d7 10h = 450Wh<\/li>\n\n<li>Sv\u011btla LED: 20W \u00d7 4h = 80Wh<\/li>\n\n<li>Vodn\u00ed \u010derpadlo: 60W \u00d7 0,5h = 30Wh<\/li>\n\n<li>Notebook: 60W \u00d7 3h = 180Wh<\/li><\/ul><p><strong>Celkov\u00e1 denn\u00ed spot\u0159eba = 740Wh<\/strong><\/p><p>Po\u017eadovan\u00e1 baterie (LiFePO4): 740Wh \u00f7 12,8V =\u00a0<strong>58Ah<\/strong>\u00a0P\u0159idejte bezpe\u010dnostn\u00ed rezervu 30%: 58Ah \u00d7 1,3 \u2248\u00a0<strong>75Ah<\/strong>\u00a0<\/p><p>Doporu\u010dujeme: <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/deep-cycle-6500-cycles-12v-100ah-lifepo4-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Baterie LiFePO4 12V 100Ah<\/a><\/strong><\/p><h3 class=\"wp-block-heading\" id=\"off-grid-solar-system\">Sol\u00e1rn\u00ed syst\u00e9m mimo s\u00ed\u0165<\/h3><p>Denn\u00ed zat\u00ed\u017een\u00ed = 1500Wh Sol\u00e1rn\u00ed sklize\u0148 = 1000Wh (zata\u017eeno) Baterie mus\u00ed pokr\u00fdt nedostatek: (1500 - 1000) = 500Wh Pot\u0159ebn\u00fd Ah: 500Wh \u00f7 12,8V =&nbsp;<strong>39Ah<\/strong>&nbsp;P\u0159idejte 2 dny autonomie \u2192 78Ah pou\u017eiteln\u00fd LiFePO4 DoD 95% \u2192 82Ah nomin\u00e1ln\u00ed Doporu\u010den\u00e1 velikost baterie:&nbsp;<strong>12V 100Ah nebo 12V 150Ah<\/strong>&nbsp;v z\u00e1vislosti na po\u010das\u00ed.<\/p><h3 class=\"wp-block-heading\" id=\"marine-boat-applications\">N\u00e1mo\u0159n\u00ed \/ lodn\u00ed aplikace<\/h3><ul class=\"wp-block-list\"><li>P\u0159eru\u0161ovan\u00e9 \u010derpadlo v podpalub\u00ed: 5A \u00d7 2h = 10Ah<\/li>\n\n<li>Chartplotter: 3A \u00d7 5h = 15Ah<\/li>\n\n<li>Sv\u011btla: 2A \u00d7 6h = 12Ah<\/li>\n\n<li>Vyhled\u00e1va\u010d ryb: 1A \u00d7 8h = 8Ah<\/li><\/ul><p>Celkem =&nbsp;<strong>45Ah na jednu j\u00edzdu<\/strong>&nbsp;P\u0159idejte bezpe\u010dnostn\u00ed rezervu 50% \u2192&nbsp;<strong>67Ah<\/strong><\/p><p>Doporu\u010den\u00ed:\u00a0<strong><a href=\"https:\/\/www.kmdpower.com\/cs\/deep-cycle-6500-cycles-12v-100ah-lifepo4-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">12V 100Ah baterie LiFePO4<\/a><\/strong>\u00a0(nejvhodn\u011bj\u0161\u00ed pro lod\u011b z d\u016fvodu bezpe\u010dnosti + bez v\u00fdpar\u016f)<\/p><h1 class=\"wp-block-heading\" id=\"-tools-for-measuring-actual-battery-ah-\"><strong>N\u00e1stroje pro m\u011b\u0159en\u00ed skute\u010dn\u00e9 kapacity baterie Ah<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"battery-analyzer-capacity-tester\">Analyz\u00e1tor bateri\u00ed \/ tester kapacity<\/h3><p>Pln\u011b vyb\u00edj\u00ed a m\u011b\u0159\u00ed skute\u010dn\u00fd Ah.<\/p><h3 class=\"wp-block-heading\" id=\"smart-shunt-victron-renogy-etc-\">Chytr\u00fd bo\u010dn\u00edk (Victron, Renogy atd.)<\/h3><p>Monitory: SOC, amp\u00e9ry, nap\u011bt\u00ed, spot\u0159ebovan\u00e9 Ah<\/p><h3 class=\"wp-block-heading\" id=\"bms-lifepo4-only-\">BMS (pouze LiFePO4)<\/h3><p>Zobrazuje intern\u00ed \u00fadaje na \u00farovni bun\u011bk.<\/p><h3 class=\"wp-block-heading\" id=\"multimeter-load\">Multimetr + z\u00e1t\u011b\u017e<\/h3><p>Z\u00e1kladn\u00ed metoda pro testov\u00e1n\u00ed olov\u011bn\u00fdch kyselin. Pro lithiov\u00e9 syst\u00e9my je nejp\u0159esn\u011bj\u0161\u00ed inteligentn\u00ed bo\u010dn\u00edk.<\/p><h1 class=\"wp-block-heading\" id=\"-how-battery-chemistry-affects-ah-calculation-\"><strong>Jak ovliv\u0148uje chemick\u00fd slo\u017een\u00ed baterie v\u00fdpo\u010det Ah<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"lead-acid\">Olov\u011bn\u00e9 kyseliny<\/h3><ul class=\"wp-block-list\"><li>Pouze vyu\u017eiteln\u00e1 kapacita\u00a0<strong>50%<\/strong><\/li>\n\n<li>Siln\u00fd Peukert\u016fv efekt<\/li>\n\n<li>Nap\u011bt\u00ed rychle kles\u00e1<\/li>\n\n<li>Citliv\u00e9 na teplotu<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"lifepo4\">LiFePO4<\/h3><ul class=\"wp-block-list\"><li>Pou\u017eiteln\u00e9 95-100%<\/li>\n\n<li>Ploch\u00e1 k\u0159ivka nap\u011bt\u00ed<\/li>\n\n<li>Minim\u00e1ln\u00ed pokles nap\u011bt\u00ed<\/li>\n\n<li>Stabiln\u00ed p\u0159i vysok\u00e9m zat\u00ed\u017een\u00ed<\/li>\n\n<li>Dlouh\u00e1 \u017eivotnost cyklu<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"sodium-ion-emerging-\"><strong><a href=\"https:\/\/www.kmdpower.com\/cs\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sod\u00edko-iontov\u00e1 baterie<\/a><\/strong> (Vznikaj\u00edc\u00ed)<\/h3><ul class=\"wp-block-list\"><li>Lep\u0161\u00ed v\u00fdkon za studena<\/li>\n\n<li>Ni\u017e\u0161\u00ed hustota energie<\/li>\n\n<li>Dobr\u00fd bezpe\u010dnostn\u00ed profil<\/li>\n\n<li>Vhodn\u00e9 pro stacion\u00e1rn\u00ed skladov\u00e1n\u00ed<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"nmc-nca-lithium\">NMC\/NCA Lithium<\/h3><ul class=\"wp-block-list\"><li>Vy\u0161\u0161\u00ed hustota energie<\/li>\n\n<li>M\u00e9n\u011b stabiln\u00ed ne\u017e LiFePO4<\/li>\n\n<li>Citliv\u011bj\u0161\u00ed na teplotu<\/li><\/ul><p>T\u00e9m\u011b\u0159 pro v\u0161echny dne\u0161n\u00ed 12V aplikace,&nbsp;<strong>LiFePO4 je lep\u0161\u00ed volbou.<\/strong><\/p><h1 class=\"wp-block-heading\" id=\"-common-misconceptions-about-12v-battery-ah-\"><strong>Nej\u010dast\u011bj\u0161\u00ed myln\u00e9 p\u0159edstavy o 12V baterii Ah<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"a-100ah-battery-always-gives-100ah-\">100Ah baterie v\u017edy d\u00e1v\u00e1 100 Ah.<\/h3><p>Ne, pokud se nejedn\u00e1 o LiFePO4 p\u0159i m\u00edrn\u00e9m vyb\u00edjen\u00ed.<\/p><h3 class=\"wp-block-heading\" id=\"a-bigger-inverter-doesn-t-affect-ah-\">V\u011bt\u0161\u00ed m\u011bni\u010d nem\u00e1 na Ah vliv.<\/h3><p>Rozhodn\u011b ano - vy\u0161\u0161\u00ed n\u00e1r\u016fst + vy\u0161\u0161\u00ed neefektivita.<\/p><h3 class=\"wp-block-heading\" id=\"voltage-doesn-t-matter-\">Na nap\u011bt\u00ed nez\u00e1le\u017e\u00ed.<\/h3><p>Ni\u017e\u0161\u00ed nap\u011bt\u00ed = vy\u0161\u0161\u00ed proudy = rychlej\u0161\u00ed vyb\u00edjen\u00ed baterie.<\/p><h3 class=\"wp-block-heading\" id=\"all-12v-batteries-are-12-0v-\">V\u0161echny 12V baterie maj\u00ed nap\u011bt\u00ed 12,0 V.<\/h3><p>Nap\u011bt\u00ed se m\u011bn\u00ed:<\/p><ul class=\"wp-block-list\"><li>Olov\u011bn\u00e1 kyselina: 10,5-12,7 V<\/li>\n\n<li>LiFePO4: 10,0-14,6 V<\/li>\n\n<li>Efektivn\u00ed nap\u011bt\u00ed pro LiFePO4 \u2248 12,8 V<\/li><\/ul><h1 class=\"wp-block-heading\" id=\"-how-to-choose-the-right-12v-battery-ah-expert-framework-\"><strong>Jak vybrat spr\u00e1vnou 12V baterii Ah (odborn\u00fd r\u00e1mec)<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"step-1-calculate-total-daily-watt-hours-\">Krok 1: Vypo\u010d\u00edtejte celkov\u00fd denn\u00ed po\u010det watthodin.<\/h3><p>P\u0159idejte v\u0161echna za\u0159\u00edzen\u00ed.<\/p><h3 class=\"wp-block-heading\" id=\"step-2-convert-to-ah-\">Krok 2: P\u0159evod na Ah.<\/h3><p>Wh \u00f7 nap\u011bt\u00ed syst\u00e9mu.<\/p><h3 class=\"wp-block-heading\" id=\"step-3-add-safety-margin\">Krok 3: P\u0159id\u00e1n\u00ed bezpe\u010dnostn\u00ed rezervy<\/h3><ul class=\"wp-block-list\"><li>RV\/marine \u2192 +30%<\/li>\n\n<li>Sol\u00e1rn\u00ed energie mimo s\u00ed\u0165 \u2192 +50%<\/li>\n\n<li>Pr\u016fmyslov\u00e9 \u2192 +70-100%<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"step-4-choose-chemistry\">Krok 4: V\u00fdb\u011br chemie<\/h3><p>LiFePO4 se doporu\u010duje pro:<\/p><ul class=\"wp-block-list\"><li>RV<\/li>\n\n<li>N\u00e1mo\u0159n\u00ed<\/li>\n\n<li>Sol\u00e1rn\u00ed<\/li>\n\n<li>Off-grid<\/li>\n\n<li>Pr\u016fmyslov\u00e9 z\u00e1lohov\u00e1n\u00ed<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"step-5-select-battery-size\">Krok 5: V\u00fdb\u011br velikosti baterie<\/h3><p>Vyberte si nejbli\u017e\u0161\u00ed&nbsp;<em>v\u011bt\u0161\u00ed<\/em>&nbsp;Ach, ta mo\u017enost.<\/p><h1 class=\"wp-block-heading\" id=\"-conclusion-\"><strong>Z\u00e1v\u011br<\/strong><\/h1><p>Spr\u00e1vn\u00fd v\u00fdpo\u010det amp\u00e9rhodin je jednoduch\u00fd, jakmile zmapujete skute\u010dn\u00e9 zat\u00ed\u017een\u00ed, c\u00edlovou dobu provozu, pou\u017eitelnou hloubku vybit\u00ed a ztr\u00e1ty specifick\u00e9 pro chemii - v\u00fdsledkem je bateriov\u00fd syst\u00e9m, kter\u00fd funguje d\u00e9le, vydr\u017e\u00ed d\u00e9le a stoj\u00ed m\u00e9n\u011b po celou dobu \u017eivotnosti ne\u017e syst\u00e9m postaven\u00fd na odhadech.<\/p><p>Pokud ur\u010dujete baterie pro obytn\u00e9 vozy, n\u00e1mo\u0159n\u00ed plavidla, kabiny mimo s\u00ed\u0165 nebo pr\u016fmyslov\u00e9 z\u00e1lo\u017en\u00ed zdroje a chcete z\u00edskat doporu\u010den\u00ed kapacity nebo konstrukci akumul\u00e1tor\u016f na m\u00edru, kter\u00e1 zohled\u0148uje p\u0159ep\u011b\u0165ov\u00e9 proudy, teplotu a ztr\u00e1ty m\u011bni\u010de, <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kontaktujte spole\u010dnost kamada power.<\/a><\/strong> P\u0159izp\u016fsob\u00edme v\u00e1m <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/12v-lifepo4-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\">vlastn\u00ed \u0159e\u0161en\u00ed 12V baterie<\/a><\/strong> speci\u00e1ln\u011b pro v\u00e1s.<\/p><h1 class=\"wp-block-heading\" id=\"-faqs-\"><strong>Nej\u010dast\u011bj\u0161\u00ed dotazy<\/strong><\/h1><h3 class=\"wp-block-heading\" id=\"1-how-many-ah-is-a-typical-12v-battery-\">1. Kolik Ah m\u00e1 typick\u00e1 12V baterie?<\/h3><p>Rozsah od&nbsp;<strong>20Ah a\u017e 300Ah<\/strong>. B\u011b\u017en\u00e9 velikosti:&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. Jak dlouho vydr\u017e\u00ed baterie 12V 100Ah poh\u00e1n\u011bt ledni\u010dku?<\/h3><p>Typick\u00e1 12V chladni\u010dka: 40-60W \u2192 P\u0159ibli\u017en\u011b&nbsp;<strong>12-20 hodin<\/strong>.<\/p><h3 class=\"wp-block-heading\" id=\"3-is-100ah-enough-for-rv-\">3. Sta\u010d\u00ed 100 Ah pro RV?<\/h3><p>Pro lehk\u00e9 pou\u017eit\u00ed ano. Pro pln\u00fd provoz mimo s\u00ed\u0165,&nbsp;<strong>200-300 Ah je lep\u0161\u00ed<\/strong>.<\/p><h3 class=\"wp-block-heading\" id=\"4-does-a-12v-battery-with-higher-ah-last-longer-\">4. M\u00e1 12V baterie s vy\u0161\u0161\u00ed kapacitou Ah del\u0161\u00ed \u017eivotnost?<\/h3><p>Ano. V\u00edce Ah = v\u00edce ulo\u017een\u00e9 energie.<\/p><h3 class=\"wp-block-heading\" id=\"5-is-lifepo4-better-than-agm-for-ah-\">5. Je LiFePO4 lep\u0161\u00ed ne\u017e AGM pro Ah?<\/h3><p>Ano - LiFePO4 poskytuje&nbsp;<strong>t\u00e9m\u011b\u0159 dvojn\u00e1sobek vyu\u017eiteln\u00fdch Ah<\/strong>&nbsp;ve srovn\u00e1n\u00ed s AGM.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pokud jste se n\u011bkdy pokou\u0161eli ur\u010dit velikost 12V baterie pro sol\u00e1rn\u00ed, obytn\u00e9 vozy, lod\u011b, off-grid nebo pr\u016fmyslov\u00e1 za\u0159\u00edzen\u00ed, pravd\u011bpodobn\u011b jste narazili na stejnou ot\u00e1zku: \"Amp\u00e9rhodiny (Ah) ur\u010duj\u00ed, jak dlouho bude va\u0161e baterie poh\u00e1n\u011bt va\u0161e za\u0159\u00edzen\u00ed. Jejich v\u00fdpo\u010det v\u0161ak nen\u00ed v\u017edy jednoduch\u00fd. Z\u00e1t\u011b\u017eov\u00e9 profily, \u00fa\u010dinnost m\u011bni\u010de, Peukertova metoda...<\/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\/cs\/wp-json\/wp\/v2\/posts\/4968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/comments?post=4968"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4968\/revisions"}],"predecessor-version":[{"id":4969,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4968\/revisions\/4969"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/2940"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=4968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=4968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=4968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}