{"id":5089,"date":"2026-01-15T10:21:16","date_gmt":"2026-01-15T10:21:16","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=5089"},"modified":"2026-01-15T10:21:17","modified_gmt":"2026-01-15T10:21:17","slug":"lithium-ion-vs-nimh-what-is-the-difference","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/sk\/news\/lithium-ion-vs-nimh-what-is-the-difference\/","title":{"rendered":"L\u00edtium-i\u00f3nov\u00e9 vs. NiMH: ak\u00fd je medzi nimi rozdiel?"},"content":{"rendered":"<p>L\u00edtium-i\u00f3nov\u00e9 vs. NiMH: ak\u00fd je medzi nimi rozdiel? Jeden eur\u00f3psky mana\u017e\u00e9r pre obstar\u00e1vanie OEM n\u00e1m raz poslal e-mailom fotografiu, ktor\u00e1 ma prin\u00fatila zamrka\u0165: z\u00e1sobn\u00edk \u010dl\u00e1nkov ve\u013ekosti \"AA\" z po\u013en\u00e9ho zariadenia - niektor\u00e9 ozna\u010den\u00e9\u00a0<strong>NiMH<\/strong>, niektor\u00e9\u00a0<strong>Li-ion<\/strong>-zmie\u0161an\u00e9, akoby boli zamenite\u013en\u00e9. Spr\u00e1va o zlyhan\u00ed bola stroh\u00e1:\u00a0<em>n\u00e1hodn\u00e9 resetovanie, opuchnut\u00e9 \u010dl\u00e1nky a jeden roztaven\u00fd kryt bat\u00e9rie.<\/em>\u00a0V tom je t\u00e1 pasca: m\u00f4\u017eu vyzera\u0165 podobne, ale s\u00fa\u00a0<strong>elektricky a chemicky odli\u0161n\u00e9<\/strong>a nespr\u00e1vna v\u00fdmena m\u00f4\u017ee znamena\u0165 \u010doko\u013evek od \"nespust\u00ed sa\" a\u017e po\u00a0<strong>po\u0161kodenie prep\u00e4t\u00edm<\/strong>\u00a0alebo\u00a0<strong>bezpe\u010dnostn\u00fd incident pri nab\u00edjan\u00ed<\/strong>.\u00a0<strong>Pravidlo:<\/strong>\u00a0vybra\u0165\u00a0<strong>Li-ion<\/strong>\u00a0pre\u00a0<strong>vysok\u00e1 energia\/v\u00fdkon na hmotnos\u0165<\/strong>\u00a0ak je na to zariadenie + nab\u00edja\u010dka ur\u010den\u00e9; vyberte\u00a0<strong>NiMH<\/strong>\u00a0pre\u00a0<strong>robustn\u00e9, cenovo v\u00fdhodn\u00e9 n\u00e1hrady 1,2 V AA\/AAA<\/strong>.<\/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-power1.jpg\" alt=\"\" class=\"wp-image-861\"\/><\/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><h2 class=\"wp-block-heading\" id=\"-the-quick-comparison-at-a-glance-\"><strong>R\u00fdchle porovnanie NiMH a l\u00edtium-i\u00f3nov\u00fdch bat\u00e9ri\u00ed<\/strong><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Funkcia<\/th><th>NiMH<\/th><th>L\u00edtium-i\u00f3nov\u00e9 (Li-ion)<\/th><\/tr><\/thead><tbody><tr><td><strong>Nomin\u00e1lne nap\u00e4tie<\/strong><\/td><td><strong>1.2V<\/strong>&nbsp;na bunku<\/td><td><strong>3,6 V\/3,7 V<\/strong>&nbsp;na jednu bunku (typick\u00e9)<\/td><\/tr><tr><td><strong>Hustota energie<\/strong><\/td><td>Stredn\u00e9<\/td><td>Vysok\u00e1<\/td><\/tr><tr><td><strong>Samovo\u013en\u00e9 vyb\u00edjanie<\/strong><\/td><td>Mierne (typy s n\u00edzkym samovyb\u00edjan\u00edm s\u00fa ove\u013ea lep\u0161ie)<\/td><td>N\u00edzka (v\u0161eobecne)<\/td><\/tr><tr><td><strong>Efekt pam\u00e4te<\/strong><\/td><td>Minim\u00e1lne (nie ako star\u00e9 NiCd)<\/td><td>\u017diadne (ale starne inak)<\/td><\/tr><tr><td><strong>\u017divotnos\u0165 cyklu<\/strong><\/td><td>~500-2000 cyklov (z\u00e1vis\u00ed vo ve\u013ekej miere od h\u013abky vybitia a kontroly nab\u00edjania)<\/td><td>~300-1000+ cyklov (zna\u010dne sa l\u00ed\u0161i pod\u013ea chemick\u00e9ho zlo\u017eenia, kon\u0161truk\u010dn\u00fdch limitov a tepeln\u00e9ho profilu)<\/td><\/tr><tr><td><strong>N\u00e1klady<\/strong><\/td><td>Ni\u017e\u0161ia z\u00e1loha<\/td><td>Vy\u0161\u0161ia po\u010diato\u010dn\u00e1 cena (plus zlo\u017eitos\u0165 ochrany\/nab\u00edjania)<\/td><\/tr><\/tbody><\/table><\/figure><p>Ak nakupujete pre program, u\u017e len tento nap\u00e4\u0165ov\u00fd rad by v\u00e1s mal spomali\u0165.&nbsp;<strong>1,2 V oproti 3,7 V nie je zaokr\u00fah\u013eovacia chyba.<\/strong>&nbsp;Je to \u00faplne in\u00fd syst\u00e9m.<\/p><h2 class=\"wp-block-heading\" id=\"-key-differences-explained-\"><strong>Vysvetlenie hlavn\u00fdch rozdielov<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"-1-voltage-energy-density-the-big-one-\"><strong>1. Nap\u00e4tie a hustota energie (Ve\u013ek\u00fd)<\/strong><\/h3><p>Za\u010dnime \u010das\u0165ou, ktor\u00e1 potichu rozb\u00edja v\u00fdrobky.<\/p><p>\u0160tandard&nbsp;<strong>NiMH AA<\/strong>&nbsp;bunka je&nbsp;<strong>Nomin\u00e1lne nap\u00e4tie 1,2 V<\/strong>&nbsp;(m\u00f4\u017ee by\u0165 ~ 1,4 V \u010derstvo po nabit\u00ed, potom sa ust\u00e1li). \u0160tandardn\u00fd&nbsp;<strong>Li-ion<\/strong>&nbsp;bunka je&nbsp;<strong>3,6 V\/3,7 V nomin\u00e1lne<\/strong>&nbsp;(4,2 V plne nabit\u00e1 bat\u00e9ria Li-ion).<\/p><p>\u010co sa teda stane, ak niekto vlo\u017e\u00ed be\u017en\u00fd 3,7 V Li-ion \u010dl\u00e1nok do zariadenia ur\u010den\u00e9ho pre 1,2 V NiMH?<\/p><ul class=\"wp-block-list\"><li>Najlep\u0161\u00ed pr\u00edpad: zariadenie sa odmietne spusti\u0165 (ak m\u00e1 ochranu).<\/li>\n\n<li>Be\u017en\u00fd pr\u00edpad: it\u00a0<em>za\u010d\u00edna<\/em>, potom sa prehrievaj\u00fa regul\u00e1tory alebo sa usma\u017e\u00ed elektronika prednej \u010dasti.<\/li>\n\n<li>V najhor\u0161om pr\u00edpade sa st\u00e1va nebezpe\u010dn\u00fdm, preto\u017ee \"nab\u00edja\u010dka\" zariadenia nie je nab\u00edja\u010dka Li-ion.<\/li><\/ul><p><strong>Bezpe\u010dnostn\u00e9 upozornenie EEAT (d\u00f4le\u017eit\u00e9):<\/strong>&nbsp;Jedin\u00fd pr\u00edpad, ke\u010f je \"Li-ion AA\" bezpe\u010dnou n\u00e1hradou za sloty AA, je, ke\u010f je to&nbsp;<strong>1,5 V regulovan\u00fd Li-ion AA<\/strong>-Li-Ion \u010dl\u00e1nok vo vn\u00fatri a&nbsp;<strong>DC-DC regul\u00e1tor<\/strong>&nbsp;ktor\u00fd produkuje ~ 1,5 V. Tie s\u00fa \u0161peci\u00e1lne navrhnut\u00e9 tak, aby napodob\u0148ovali spr\u00e1vanie alkalick\u00fdch bat\u00e9ri\u00ed v zariadeniach, ktor\u00e9 o\u010dak\u00e1vaj\u00fa 1,5 V. Hol\u00fd&nbsp;<strong>14500<\/strong>&nbsp;\u010dl\u00e1nok (Li-ion vo ve\u013ekosti AA) je&nbsp;<strong>nie<\/strong>&nbsp;to ist\u00e9 - st\u00e1le je to ~ 3,7 V nomin\u00e1lne.<\/p><p>Teraz k hustote energie:&nbsp;<strong>Li-ion vyhr\u00e1va<\/strong>. Preto s\u00fa telef\u00f3ny, notebooky, drony, ru\u010dn\u00e9 skenery a v\u00e4\u010d\u0161ina modern\u00fdch bat\u00e9ri\u00ed Li-ion (\u010dasto NMC\/NCA alebo LFP v z\u00e1vislosti od aplik\u00e1cie). Na kilogram a liter z\u00edskate viac watthod\u00edn. Pre kupuj\u00faceho to znamen\u00e1:<\/p><ul class=\"wp-block-list\"><li>zapa\u013eova\u010de,<\/li>\n\n<li>dlh\u0161\u00ed \u010das prev\u00e1dzky pri rovnakej hmotnosti,<\/li>\n\n<li>alebo men\u0161ie balenia pri rovnakom \u010dase prev\u00e1dzky.<\/li><\/ul><p>NiMH je pri rovnakej energii objemnej\u0161\u00ed. Nie je to \"zl\u00e9\". Len nedosahuje rovnak\u00e9ho v\u00fdkonu.<\/p><h3 class=\"wp-block-heading\" id=\"-2-self-discharge-shelf-life-\"><strong>2. Samovyb\u00edjanie a trvanlivos\u0165<\/strong><\/h3><p>Tu je r\u00fdchly ment\u00e1lny test, ktor\u00fd pou\u017e\u00edvam s klientmi:&nbsp;<strong>test z\u00e1suvky<\/strong>.<\/p><p>Nain\u0161talujete \u010derstv\u00e9 \u010dl\u00e1nky a potom zariadenie le\u017e\u00ed 6 a\u017e 12 mesiacov v sklade, servisnej dod\u00e1vke alebo v z\u00e1suvke s n\u00e1hradn\u00fdmi dielmi. K \u010domu sa vr\u00e1tite?<\/p><ul class=\"wp-block-list\"><li><strong>\u0160tandardn\u00e9 NiMH<\/strong>\u00a0v minulosti mali v\u00fdrazn\u00e9 samovyb\u00edjanie. Mo\u017eno ju vytiahnete a zist\u00edte, \u017ee je nepr\u00edjemne n\u00edzka alebo vybit\u00e1.<\/li>\n\n<li><strong>NiMH s n\u00edzkym samovyb\u00edjan\u00edm (LSD)<\/strong>-myslite na kateg\u00f3riu \"trieda Eneloop\"-zmenila t\u00fato hru. LSD NiMH dok\u00e1\u017eu udr\u017ea\u0165 n\u00e1boj ove\u013ea lep\u0161ie ako star\u0161ie kon\u0161trukcie NiMH, tak\u017ee s\u00fa praktick\u00e9 pre dia\u013ekov\u00e9 ovl\u00e1da\u010de, senzory a pohotovostn\u00e9 zariadenia.<\/li>\n\n<li><strong>Li-ion<\/strong>\u00a0vo v\u0161eobecnosti m\u00e1\u00a0<strong>n\u00edzke samovyb\u00edjanie<\/strong>, ale m\u00e1 in\u00e9ho nepriate\u013ea:\u00a0<strong>starnutie kalend\u00e1ra<\/strong>. Dokonca aj ke\u010f ho necyklujete ve\u013ea, vysok\u00fd stav nabitia + teplo m\u00f4\u017ee \u010dasom zn\u00ed\u017ei\u0165 kapacitu.<\/li><\/ul><p>\u010co je teda lep\u0161ie pre zriedkavo pou\u017e\u00edvan\u00e9 zariadenia? \u010casto&nbsp;<strong>Li-ion<\/strong>&nbsp;vyzer\u00e1 lep\u0161ie na \"st\u00e1le m\u00e1 n\u00e1boj nesk\u00f4r,\" ale&nbsp;<strong>LSD NiMH<\/strong>&nbsp;m\u00f4\u017eu by\u0165 prekvapivo konkurencieschopn\u00e9 - a niekedy aj \u0161etrnej\u0161ie pri nekontrolovanom skladovan\u00ed.<\/p><p>Tip pre obstar\u00e1vanie: ak va\u0161e n\u00e1hradn\u00e9 diely dlho le\u017eia, uve\u010fte&nbsp;<strong>LSD NiMH<\/strong>&nbsp;v\u00fdslovne. Samotn\u00fd n\u00e1zov \"NiMH\" nie je \u00faplnou \u0161pecifik\u00e1ciou.<\/p><h3 class=\"wp-block-heading\" id=\"-3-charging-safety-critical-\"><strong>3. Nab\u00edjanie a bezpe\u010dnos\u0165 (kritick\u00e9)<\/strong><\/h3><p>V tomto pr\u00edpade sa \u013eudia doslova zrania, ak je syst\u00e9m popleten\u00fd.<\/p><p><strong>Nekompatibilita nab\u00edja\u010dky je neoddiskutovate\u013en\u00e1:<\/strong><\/p><ul class=\"wp-block-list\"><li><strong>Nab\u00edja\u010dky NiMH<\/strong>\u00a0\u010dasto pou\u017e\u00edvaj\u00fa\u00a0<strong>Zis\u0165ovanie \u0394V (delta-V)<\/strong>\u00a0a teplotn\u00e9 spr\u00e1vanie na ukon\u010denie nab\u00edjania.<\/li>\n\n<li><strong>Nab\u00edja\u010dky Li-ion<\/strong>\u00a0pou\u017e\u00edva\u0165\u00a0<strong>CC\/CV (kon\u0161tantn\u00fd pr\u00fad \/ kon\u0161tantn\u00e9 nap\u00e4tie)<\/strong>\u00a0s presn\u00fdmi limitmi nap\u00e4tia (be\u017ene 4,2 V na \u010dl\u00e1nok pre mnoh\u00e9 chemick\u00e9 l\u00e1tky) a vy\u017eaduj\u00fa si kontrolu ochrany.<\/li><\/ul><p><strong>Upozornenie (ktor\u00e9 sa oplat\u00ed zopakova\u0165):<\/strong>&nbsp;Nikdy neumiest\u0148ujte&nbsp;<strong>Li-ion<\/strong>&nbsp;buniek do&nbsp;<strong>Nab\u00edja\u010dka NiMH<\/strong>. A nepredpokladajte, \u017ee \"inteligentn\u00e1 nab\u00edja\u010dka\" znamen\u00e1, \u017ee dok\u00e1\u017ee bezpe\u010dne zisti\u0165 \u010doko\u013evek. Nespr\u00e1vny algoritmus + nespr\u00e1vne ukon\u010denie = prehriatie \u010dl\u00e1nku, odvzdu\u0161nenie alebo e\u0161te hor\u0161ie.<\/p><p>Bezpe\u010dnostn\u00fd profil:<\/p><ul class=\"wp-block-list\"><li><strong>NiMH<\/strong>\u00a0je vo v\u0161eobecnosti robustnej\u0161\u00ed a menej n\u00e1chyln\u00fd na dramatick\u00e9 poruchy. V pr\u00edpade zneu\u017eitia sa m\u00f4\u017ee prehrieva\u0165, ale zvy\u010dajne je \u0165a\u017e\u0161ie vyvola\u0165 katastrofick\u00fa udalos\u0165.<\/li>\n\n<li><strong>Li-ion<\/strong>\u00a0m\u00e1 vy\u0161\u0161iu energetick\u00fa hustotu a dok\u00e1\u017ee dod\u00e1va\u0165 ve\u013emi vysok\u00fd pr\u00fad, \u010do je skvel\u00e9 - a\u017e do momentu, ke\u010f sa s n\u00edm zle hospod\u00e1ri. Zvy\u010dajne si vy\u017eaduje\u00a0<strong>ochrann\u00fd obvod \/ BMS (Battery Management System)<\/strong>\u00a0na \u00farovni balenia (alebo ochrannej dosky plo\u0161n\u00fdch spojov na \u00farovni \u010dl\u00e1nku v spotrebite\u013esk\u00fdch form\u00e1toch), aby sa zabr\u00e1nilo scen\u00e1rom preb\u00edjania, nadmern\u00e9ho vyb\u00edjania, nadmern\u00e9ho pr\u00fadu a tepeln\u00e9ho \u00faniku.<\/li><\/ul><p>Z na\u0161ich sk\u00fasenost\u00ed s priemyseln\u00fdmi z\u00e1kazn\u00edkmi vypl\u00fdva, \u017ee v\u00e4\u010d\u0161ina \"Li-ion incidentov\" nie je sp\u00f4soben\u00e1 \"nebezpe\u010dnos\u0165ou\" chemick\u00fdch l\u00e1tok. S\u00fa o tom, \u017ee&nbsp;<strong>n\u00e1vrh syst\u00e9mu<\/strong>: kontrola nab\u00edjania, mechanick\u00e1 ochrana, tepeln\u00fd mana\u017ement a kvalita \u010dl\u00e1nkov.<\/p><h3 class=\"wp-block-heading\" id=\"-4-performance-in-cold-weather-\"><strong>4. V\u00fdkon v chladnom po\u010das\u00ed<\/strong><\/h3><p>Pr\u00e1ve v chladnom po\u010das\u00ed si z\u00e1kazn\u00edci v re\u00e1lnom svete r\u00fdchlo v\u0161imn\u00fa rozdiel.<\/p><p>V mraziv\u00fdch podmienkach:<\/p><ul class=\"wp-block-list\"><li><strong>NiMH<\/strong>\u00a0m\u00f4\u017eu ma\u0165 probl\u00e9my s dod\u00e1vkou energie a efekt\u00edvnou kapacitou. Vn\u00fatorn\u00fd odpor st\u00fapa a pri za\u0165a\u017een\u00ed m\u00f4\u017eete pozorova\u0165 prehnutie.<\/li>\n\n<li><strong>Kvalita Li-ion<\/strong>\u00a0st\u00e1le dok\u00e1\u017ee doda\u0165 siln\u00fd v\u00fdkon, ale nie je to z\u00e1zrak: chlad zvy\u0161uje odolnos\u0165 aj v pr\u00edpade Li-ion. Taktie\u017e,\u00a0<strong>nab\u00edjanie Li-ion za studena<\/strong>\u00a0je zn\u00e1mym rizikom - mnoh\u00e9 syst\u00e9my obmedzuj\u00fa nab\u00edjac\u00ed pr\u00fad pri n\u00edzkych teplot\u00e1ch, aby sa zabr\u00e1nilo pokovovaniu l\u00edtia.<\/li><\/ul><p>Ak \u0161pecifikujete outdoorov\u00e9 vybavenie (kontroln\u00e9 n\u00e1stroje, ru\u010dn\u00e9 skenery, dia\u013ekov\u00e9 senzory), nep\u00fdtajte sa len \"funguje to pri -10 \u00b0C?\" P\u00fdtajte sa:<\/p><ul class=\"wp-block-list\"><li>\u010do je\u00a0<strong>vyb\u00edjac\u00ed pr\u00fad<\/strong>\u00a0pri teplote,<\/li>\n\n<li>\u010do je\u00a0<strong>limit nabitia<\/strong>\u00a0pri teplote,<\/li>\n\n<li>a \u010di ho bal\u00edk\/kontrol\u00e9r presadzuje.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"-can-i-replace-nimh-with-lithium-ion-\"><strong>M\u00f4\u017eem nahradi\u0165 NiMH l\u00edtium-i\u00f3novou bat\u00e9riou?<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"-scenario-a-consumer-electronics-aa-aaa-\"><strong>Scen\u00e1r A: Spotrebn\u00e1 elektronika (AA\/AAA)<\/strong><\/h3><p><strong>Odpove\u010f: \u00c1no, ale len so \u0161peci\u00e1lnymi 1,5 V regulovan\u00fdmi Li-ion bat\u00e9riami AA.<\/strong><\/p><p>Ak nahr\u00e1dzate AA\/AAA v dia\u013ekov\u00fdch ovl\u00e1da\u010doch, ovl\u00e1da\u010doch, hra\u010dk\u00e1ch alebo z\u00e1kladnej elektronike, bezpe\u010dnou cestou je:<\/p><ul class=\"wp-block-list\"><li>NiMH (najm\u00e4 LSD NiMH) alebo<\/li>\n\n<li><strong>1,5 V regulovan\u00fd Li-ion AA<\/strong>\u00a0navrhnut\u00e9 ako n\u00e1hradn\u00e9 zariadenie.<\/li><\/ul><p><strong>Varovanie:<\/strong>&nbsp;Do&nbsp;<strong>nie<\/strong>&nbsp;pou\u017e\u00edva\u0165 hol\u00fd&nbsp;<strong>14500 (3,7 V) Li-ion<\/strong>&nbsp;v \u0161tandardnom zariaden\u00ed AA. Rovnak\u00e1 ve\u013ekos\u0165 neznamen\u00e1 rovnak\u00fd elektrick\u00fd syst\u00e9m.<\/p><p>Pokia\u013e ide o obstar\u00e1vanie: ak va\u0161e t\u00edmy v ter\u00e9ne skladuj\u00fa \u010dl\u00e1nky ve\u013ekosti AA v z\u00e1sobn\u00edkoch, potrebujete discipl\u00ednu pri balen\u00ed a ozna\u010dovan\u00ed. Zmie\u0161an\u00e9 z\u00e1sobn\u00edky s\u00fa pr\u00ed\u010dinou por\u00fach.<\/p><h3 class=\"wp-block-heading\" id=\"-scenario-b-power-tools-rc-cars-\"><strong>Scen\u00e1r B: Elektrick\u00e9 n\u00e1radie a RC aut\u00e1<\/strong><\/h3><p><strong>Odpove\u010f: \u00c1no, je to be\u017en\u00e1 aktualiz\u00e1cia - a \u010dasto predstavuje ve\u013ek\u00fd v\u00fdkonnostn\u00fd skok.<\/strong><\/p><p>Pr\u00e1ve tu Li-ion za\u017eiari:<\/p><ul class=\"wp-block-list\"><li>vy\u0161\u0161\u00ed v\u00fdkon,<\/li>\n\n<li>menej nap\u00e4tia pri vyb\u00edjan\u00ed bat\u00e9rie,<\/li>\n\n<li>lep\u0161\u00ed pomer v\u00fdkonu a hmotnosti.<\/li><\/ul><p>Je to v\u0161ak spojen\u00e9 s po\u017eiadavkami:<\/p><ul class=\"wp-block-list\"><li>mus\u00edte prejs\u0165 na\u00a0<strong>Vhodn\u00e1 nab\u00edja\u010dka Li-ion<\/strong>,<\/li>\n\n<li>zabezpe\u010di\u0165, aby\u00a0<strong>motor\/regul\u00e1tor<\/strong>\u00a0zvl\u00e1dne nap\u00e4tie a \u0161pi\u010dkov\u00fd pr\u00fad,<\/li>\n\n<li>a v ide\u00e1lnom pr\u00edpade pou\u017e\u00edvajte obaly s vhodnou ochranou a tepelnou kon\u0161trukciou.<\/li><\/ul><p>Jednoduch\u00e9 prirovnanie: prechod na l\u00edtium-i\u00f3nov\u00e9 bat\u00e9rie je ako v\u00fdmena motora na doch\u00e1dzanie za v\u00fdkonn\u00fd motor. Skvel\u00e9 v\u00fdsledky - ak je na to pohonn\u00e9 \u00fastrojenstvo stavan\u00e9.<\/p><h3 class=\"wp-block-heading\" id=\"-scenario-c-solar-garden-lights-\"><strong>Scen\u00e1r C: Sol\u00e1rne z\u00e1hradn\u00e9 svetl\u00e1<\/strong><\/h3><p><strong>Odpove\u010f: Zvy\u010dajne nie.<\/strong><\/p><p>V\u00e4\u010d\u0161ina sol\u00e1rnych z\u00e1hradn\u00fdch svietidiel je navrhnut\u00e1 okolo&nbsp;<strong>1,2 V NiMH<\/strong>&nbsp;nab\u00edjacie spr\u00e1vanie a mimoriadne jednoduch\u00e9 obvody. Drop-in Li-ion zvy\u010dajne nezodpoved\u00e1 sp\u00f4sobu nab\u00edjania ani o\u010dak\u00e1van\u00e9mu nap\u00e4tiu.<\/p><p>Pokia\u013e neprepracujete ovl\u00e1da\u010d a nab\u00edjac\u00ed obvod,&nbsp;<strong>dr\u017ea\u0165 sa NiMH<\/strong>. Je lacn\u00fd, kompatibiln\u00fd a bezpe\u010dn\u00fd pre t\u00fato architekt\u00faru.<\/p><h2 class=\"wp-block-heading\" id=\"-which-one-should-you-buy-\"><strong>Ktor\u00fd z nich by ste si mali k\u00fapi\u0165?<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"-choose-nimh-battery-\"><strong>V\u00fdber bat\u00e9rie NiMH<\/strong><\/h3><p>NiMH si vyberte, ke\u010f:<\/p><ul class=\"wp-block-list\"><li>vymie\u0148ate bat\u00e9rie v \u0161tandardn\u00fdch dom\u00e1cich alebo star\u0161\u00edch zariadeniach (dia\u013ekov\u00e9 ovl\u00e1da\u010de, hodiny, star\u0161ie hra\u010dky, jednoduch\u00e9 priemyseln\u00e9 pr\u00edslu\u0161enstvo),<\/li>\n\n<li>bezpe\u010dnos\u0165 a robustnos\u0165 s\u00fa d\u00f4le\u017eitej\u0161ie ako maxim\u00e1lna hustota energie,<\/li>\n\n<li>rozpo\u010det je obmedzen\u00fd a chcete predv\u00eddate\u013en\u00e9 zdroje,<\/li>\n\n<li>v ter\u00e9ne u\u017e m\u00e1te infra\u0161trukt\u00faru na nab\u00edjanie NiMH.<\/li><\/ul><p>Pozn\u00e1mka pre kupuj\u00faceho: uve\u010fte&nbsp;<strong>LSD NiMH<\/strong>&nbsp;ke\u010f z\u00e1le\u017e\u00ed na trvanlivosti. Zni\u017euje po\u010det servisn\u00fdch hovorov a reklam\u00e1ci\u00ed typu \"pre\u010do je to u\u017e m\u0155tve?\".<\/p><h3 class=\"wp-block-heading\" id=\"-choose-lithium-ion-battery-\"><strong>V\u00fdber l\u00edtium-i\u00f3novej bat\u00e9rie<\/strong><\/h3><p>Li-Ion si vyberte, ke\u010f:<\/p><ul class=\"wp-block-list\"><li>d\u00f4le\u017eit\u00e1 je hmotnos\u0165 (drony, ru\u010dn\u00e9 kontroln\u00e9 zariadenia, prenosn\u00e9 pr\u00edstroje),<\/li>\n\n<li>potrebujete vysok\u00fd v\u00fdkon (vysoko svietiv\u00e9 baterky, skenery, n\u00e1radie),<\/li>\n\n<li>chcete dlh\u0161\u00ed \u010das prev\u00e1dzky medzi jednotliv\u00fdmi nabitiami,<\/li>\n\n<li>kupujete alebo navrhujete balenie so spr\u00e1vnym\u00a0<strong>BMS<\/strong>, nab\u00edja\u010dka a mechanick\u00e1 ochrana.<\/li><\/ul><p>Porovnanie zameran\u00e9 na kupuj\u00faceho: Ak je v\u00e1\u0161 KPI&nbsp;<strong>\u010das prev\u00e1dzky na kilogram<\/strong>&nbsp;alebo&nbsp;<strong>v\u00fdkon na objem<\/strong>, l\u00edtium-i\u00f3nov\u00e1 bat\u00e9ria je jasn\u00fdm v\u00ed\u0165azom. Ak je v\u00e1\u0161 KPI&nbsp;<strong>kompatibilita a n\u00edzkorizikov\u00e1 v\u00fdmena<\/strong>, NiMH zvy\u010dajne vyhr\u00e1va.<\/p><h2 class=\"wp-block-heading\" id=\"-common-myths-debunked-\"><strong>Vyvr\u00e1ten\u00e9 be\u017en\u00e9 m\u00fdty<\/strong><\/h2><p><strong>M\u00fdtus 1: \"Pred nab\u00edjan\u00edm mus\u00edte bat\u00e9rie \u00faplne vybi\u0165.\"<\/strong>&nbsp;To bolo d\u00f4le\u017eitej\u0161ie pre star\u00e9&nbsp;<strong>NiCd<\/strong>. Pre modern\u00e9 NiMH a Li-ion nie je hlbok\u00e9 vyb\u00edjanie \"nutnos\u0165ou\" a m\u00f4\u017ee dokonca skr\u00e1ti\u0165 \u017eivotnos\u0165 (najm\u00e4 pre Li-ion).<\/p><p><strong>M\u00fdtus 2: \"Li-ion vydr\u017e\u00ed ve\u010dne.\"<\/strong>&nbsp;Li-ion starne s \u010dasom, teplotou a vysok\u00fdm stavom nabitia. Aj pri n\u00edzkom cyklickom za\u0165a\u017een\u00ed je kalend\u00e1rne starnutie re\u00e1lne. Ak zariadenie stoj\u00ed hor\u00face a plne nabit\u00e9, strata kapacity sa prejav\u00ed sk\u00f4r, ako by ste chceli.<\/p><h2 class=\"wp-block-heading\" id=\"-conclusion-\"><strong>Z\u00e1ver<\/strong><\/h2><p>\u017diadna \"najlep\u0161ia bat\u00e9ria\" - vyberte si na z\u00e1klade\u00a0<strong>nap\u00e4tie zariadenia<\/strong>,\u00a0<strong>algoritmus nab\u00edja\u010dky<\/strong>a\u00a0<strong>za\u0165a\u017eenie<\/strong>: pou\u017eitie\u00a0<strong>LSD NiMH<\/strong>\u00a0pre\u00a0<strong>1.2V\/NiMH-nabit\u00fd<\/strong>\u00a0zariadenia; pou\u017eitie\u00a0<strong>Li-ion<\/strong>\u00a0len ak je na to syst\u00e9m navrhnut\u00fd (spr\u00e1vna nab\u00edja\u010dka + ochrana); a pri \"vylep\u0161eniach\" AA pou\u017eite\u00a0<strong>1,5 V regulovan\u00fd Li-ion AA<\/strong>, nie\u00a0<strong>3.7V<\/strong>\u00a0bunky. <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kontaktujte n\u00e1s<\/a><\/strong>, Po\u0161lite nap\u00e4tie zariadenia, cie\u013eov\u00fa dobu prev\u00e1dzky a sp\u00f4sob nab\u00edjania (alebo fotografiu \u0161t\u00edtku) a ja v\u00e1m r\u00fdchlo poviem, \u010do je bezpe\u010dn\u00e9 a \u010do nie.<\/p><h2 class=\"wp-block-heading\" id=\"-faq-\"><strong>\u010cASTO KLADEN\u00c9 OT\u00c1ZKY<\/strong><\/h2><h3 class=\"wp-block-heading\" id=\"-can-i-use-a-nimh-charger-for-lithium-ion-batteries-\"><strong>M\u00f4\u017eem pou\u017ei\u0165 nab\u00edja\u010dku NiMH pre l\u00edtium-i\u00f3nov\u00e9 bat\u00e9rie?<\/strong><\/h3><p>Nie. NiMH a Li-ion vy\u017eaduj\u00fa odli\u0161n\u00e9 algoritmy nab\u00edjania. Pou\u017e\u00edvanie nab\u00edja\u010dky NiMH na Li-ion m\u00f4\u017ee sp\u00f4sobi\u0165 preb\u00edjanie alebo nespr\u00e1vne ukon\u010denie nab\u00edjania a vytvori\u0165 bezpe\u010dnostn\u00e9 riziko.<\/p><h3 class=\"wp-block-heading\" id=\"-why-are-lithium-batteries-3-7v-and-aa-batteries-1-5v-\"><strong>Pre\u010do s\u00fa l\u00edtiov\u00e9 bat\u00e9rie 3,7 V a bat\u00e9rie AA 1,5 V?<\/strong><\/h3><p>S\u00fa to r\u00f4zne chemick\u00e9 l\u00e1tky s r\u00f4znymi elektrochemick\u00fdmi potenci\u00e1lmi. Alkalick\u00e9 AA maj\u00fa ~1,5 V, NiMH ~1,2 V a be\u017en\u00e9 Li-ion ~3,6\/3,7 V. Rovnak\u00fd tvar neznamen\u00e1 rovnak\u00e9 nap\u00e4tie.<\/p><h3 class=\"wp-block-heading\" id=\"-do-nimh-batteries-still-have-memory-effect-\"><strong>Maj\u00fa NiMH bat\u00e9rie st\u00e1le pam\u00e4\u0165ov\u00fd efekt?<\/strong><\/h3><p>Nie v klasickom zmysle NiCd. NiMH m\u00f4\u017ee vykazova\u0165 probl\u00e9my s v\u00fdkonom, ak sa opakovane plytko cyklicky pou\u017e\u00edva za ur\u010dit\u00fdch podmienok, ale \"pam\u00e4\u0165ov\u00fd efekt\" sa v pr\u00edpade modern\u00fdch NiMH zvy\u010dajne prece\u0148uje.<\/p><h3 class=\"wp-block-heading\" id=\"-which-battery-lasts-longer-nimh-or-lithium-ion-\"><strong>Ktor\u00e1 bat\u00e9ria vydr\u017e\u00ed dlh\u0161ie, NiMH alebo l\u00edtium-i\u00f3nov\u00e1?<\/strong><\/h3><p>Z\u00e1le\u017e\u00ed na tom, ako definujete pojem \"dlh\u0161\u00ed\". NiMH m\u00f4\u017ee poskytn\u00fa\u0165 vysok\u00fa \u017eivotnos\u0165 v mnoh\u00fdch pr\u00edpadoch stredne n\u00e1ro\u010dn\u00e9ho pou\u017e\u00edvania. Li-ion m\u00f4\u017ee tie\u017e vydr\u017ea\u0165 dlho, ale je citliv\u00fd na teplo a vysok\u00fd stav nabitia (kalend\u00e1rne starnutie). Ak chcete z\u00edska\u0165 skuto\u010dn\u00fa odpove\u010f, porovnajte pracovn\u00fd cyklus, teplotu a riadenie nab\u00edjania.<\/p><h3 class=\"wp-block-heading\" id=\"-what-if-i-accidentally-used-a-3-7v-li-ion-in-a-device-meant-for-nimh-\"><strong>\u010co ak som omylom pou\u017eil 3,7 V Li-ion v zariaden\u00ed ur\u010denom pre NiMH?<\/strong><\/h3><p>Presta\u0148te ho pou\u017e\u00edva\u0165 a skontrolujte, \u010di sa zariadenie neprehrieva, nepo\u0161kodzuje alebo sa nespr\u00e1vne spr\u00e1va. Ak bolo nabit\u00e9 alebo be\u017ealo hor\u00face, pristupujte k tomu v\u00e1\u017ene - skontrolujte zariadenie a nepokra\u010dujte v cyklickom pou\u017e\u00edvan\u00ed tohto nastavenia.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00edtium-i\u00f3nov\u00e9 vs. NiMH: ak\u00fd je medzi nimi rozdiel? Jeden eur\u00f3psky mana\u017e\u00e9r pre obstar\u00e1vanie OEM n\u00e1m raz poslal e-mailom fotografiu, ktor\u00e1 ma prin\u00fatila zamrka\u0165: z\u00e1sobn\u00edk s \u010dl\u00e1nkami ve\u013ekosti \"AA\" z po\u013en\u00e9ho zariadenia - niektor\u00e9 ozna\u010den\u00e9 NiMH, niektor\u00e9 Li-ion - zmie\u0161an\u00e9, akoby boli zamenite\u013en\u00e9. Spr\u00e1va o poruche bola stroh\u00e1: n\u00e1hodn\u00e9 resetovanie, opuchnut\u00e9 \u010dl\u00e1nky a jeden roztaven\u00fd kryt bat\u00e9rie. V tom je t\u00e1 pasca: m\u00f4\u017eu vyzera\u0165 podobne,...<\/p>","protected":false},"author":1,"featured_media":2945,"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-5089","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\/5089","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=5089"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/5089\/revisions"}],"predecessor-version":[{"id":5090,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/5089\/revisions\/5090"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media\/2945"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media?parent=5089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/categories?post=5089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/tags?post=5089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}