{"id":4470,"date":"2025-06-02T15:30:43","date_gmt":"2025-06-02T15:30:43","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=4470"},"modified":"2025-06-02T15:30:45","modified_gmt":"2025-06-02T15:30:45","slug":"what-happens-if-battery-voltage-is-too-high","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/cs\/news\/what-happens-if-battery-voltage-is-too-high\/","title":{"rendered":"Co se stane, kdy\u017e je nap\u011bt\u00ed baterie p\u0159\u00edli\u0161 vysok\u00e9?"},"content":{"rendered":"

\u00davod<\/strong><\/h2>

Dovolte mi za\u010d\u00edt p\u0159izn\u00e1n\u00edm: Sma\u017eil jsem v\u00edc bateri\u00ed, ne\u017e bych si cht\u011bl p\u0159ipustit. Od prvn\u00edch laboratorn\u00edch prototyp\u016f v 90. letech a\u017e po vysokonap\u011b\u0165ov\u00e9 syst\u00e9my v sol\u00e1rn\u00edch farm\u00e1ch jsem vid\u011bl, jak lithiov\u00e9 \u010dl\u00e1nky bublaj\u00ed, NiMH sady bobtnaj\u00ed a olov\u011bn\u00e9 kyseliny sy\u010d\u00ed jako rozzu\u0159en\u00e9 konvice - to v\u0161e kv\u016fli jedn\u00e9 o\u0161idn\u011b jednoduch\u00e9 veli\u010din\u011b: nap\u011bt\u00ed<\/strong>.<\/p>

Nap\u011bt\u00ed baterie nen\u00ed jen \u010d\u00edslo na \u0161t\u00edtku. Je to str\u00e1\u017ece toku energie, neviditeln\u00e1 hranice mezi v\u00fdkonem a katastrofou. A p\u0159esto je p\u0159ep\u011bt\u00ed jedn\u00edm z nej\u010dast\u011bji podce\u0148ovan\u00ed zabij\u00e1ci<\/strong> v dne\u0161n\u00edch bateriov\u00fdch syst\u00e9mech. V\u011bt\u0161ina lid\u00ed se zam\u011b\u0159uje na hlubok\u00e9 vyb\u00edjen\u00ed a mysl\u00ed si, \u017ee skute\u010dn\u00fdm nep\u0159\u00edtelem je podp\u011bt\u00ed. Ale v\u011b\u0159te mi - p\u0159\u00edli\u0161 vysok\u00e9 nap\u011bt\u00ed je jako p\u0159efouknut\u00ed pneumatiky bez tlakom\u011bru: d\u0159\u00edve nebo pozd\u011bji praskne.<\/p>

Na rozd\u00edl od podp\u011bt\u00ed, kter\u00e9 \u010dasto pouze do\u010dasn\u011b vy\u0159ad\u00ed syst\u00e9m z provozu, p\u0159ep\u011bt\u00ed m\u016f\u017ee zp\u016fsobit nevratn\u00e9 chemick\u00e9 a tepeln\u00e9 po\u0161kozen\u00ed.<\/strong>. Tento pr\u016fvodce nen\u00ed pr\u016fm\u011brnou bro\u017eurou o bezpe\u010dnosti nab\u00edjen\u00ed. Je to to, \u010demu bych si p\u0159\u00e1l, aby rozum\u011blo v\u00edce in\u017een\u00fdr\u016f, kutil\u016f a syst\u00e9mov\u00fdch integr\u00e1tor\u016f: co se skute\u010dn\u011b stane, kdy\u017e nap\u011bt\u00ed p\u0159ekro\u010d\u00ed hranici, pro\u010d se to stane a jak to m\u016f\u017eete zachytit, ne\u017e se va\u0161e baterie vzn\u00edt\u00ed (nebo h\u016f\u0159).<\/p>

\"\"<\/figure><\/div>

V\u00fdrobci lithiov\u00fdch bateri\u00ed 12 V<\/a><\/strong><\/p>

Pro\u010d z\u00e1le\u017e\u00ed na nap\u011bt\u00ed baterie: V\u011bdeck\u00e9 poznatky o tom, co se za t\u00edm skr\u00fdv\u00e1<\/strong><\/h2>

Nap\u011bt\u00ed je kluzk\u00e9 zv\u00ed\u0159e. Technicky vzato je to rozd\u00edl potenci\u00e1l\u016f mezi dv\u011bma svorkami. Ale v zemi bateri\u00ed je to proxy pro energetick\u00fd stav<\/strong>, chov\u00e1n\u00ed v chemick\u00e9 f\u00e1zi a tepeln\u00e9 riziko - v\u0161e v jednom.<\/p>

Ka\u017ed\u00e1 chemick\u00e1 slo\u017eka baterie m\u00e1 \"komfortn\u00ed z\u00f3nu\" nap\u011bt\u00ed, za kterou za\u010d\u00ednaj\u00ed p\u0159evl\u00e1dat vedlej\u0161\u00ed reakce. Zde je stru\u010dn\u00fd odkaz:<\/p>

Chemie bateri\u00ed<\/th>Jmenovit\u00fd V\/\u010dl\u00e1nek<\/th>Maxim\u00e1ln\u00ed nab\u00edjen\u00ed V\/\u010dl\u00e1nek<\/th>Riziko p\u0159ep\u011bt\u00ed<\/th><\/tr><\/thead>
Li-ion (NMC)<\/td>3.7 V<\/td>4.20 V<\/td>> 4.25 V<\/td><\/tr>
LiFePO\u2084<\/td>3.2-3.3 V<\/td>3.65 V<\/td>> 3.65-3.70 V<\/td><\/tr>
NiMH<\/td>1.2 V<\/td>~1.45 V<\/td>> 1.50 V<\/td><\/tr>
Olov\u011bn\u00fd akumul\u00e1tor<\/td>2.0 V<\/td>~2.40 V<\/td>> 2.45 V<\/td><\/tr><\/tbody><\/table><\/figure>

Dokonce i 0,05 V nad max.<\/strong> m\u016f\u017ee m\u00edt \u010dasem katastrof\u00e1ln\u00ed n\u00e1sledky. D\u0159\u00edve jsem tato \u010d\u00edsla pova\u017eoval za vod\u00edtko. Pak jsem za\u010dal vym\u011b\u0148ovat nafoukl\u00e9 LiFePO\u2084 packy a \u010distit \u00faniky elektrolytu. Mezn\u00ed hodnoty nap\u011bt\u00ed nejsou doporu\u010den\u00ed - jsou to prahov\u00e9 hodnoty pro p\u0159e\u017eit\u00ed.<\/p>

V letectv\u00ed maj\u00ed piloti term\u00edn: \"zat\u00e1\u010dka s rakv\u00ed\". Je to \u00fazk\u00e9 p\u00e1smo, kde p\u0159\u00edli\u0161 pomal\u00fd nebo p\u0159\u00edli\u0161 rychl\u00fd let znamen\u00e1 hav\u00e1rii. P\u0159ep\u011bt\u00ed je koutek s rakv\u00ed sv\u011bta bateri\u00ed<\/strong>.<\/p>

B\u011b\u017en\u00e9 p\u0159\u00ed\u010diny p\u0159ep\u011bt\u00ed v bateriov\u00fdch syst\u00e9mech<\/strong><\/h2>

V\u011bt\u0161ina p\u0159ep\u011b\u0165ov\u00fdch ud\u00e1lost\u00ed je zp\u016fsobena p\u0159ehl\u00e9dnut\u00ed p\u0159i navrhov\u00e1n\u00ed<\/strong>, poruchy kontroly nab\u00edjen\u00ed<\/strong>, nebo drsn\u00e9 podm\u00ednky syst\u00e9mu<\/strong>. Obvykl\u00ed podez\u0159el\u00ed:<\/p>

  • Nespr\u00e1vn\u00fd nebo chyb\u011bj\u00edc\u00ed syst\u00e9m \u0159\u00edzen\u00ed baterie (BMS)<\/li>\n\n
  • Chybn\u00e1 regulace MPPT nebo sol\u00e1rn\u00ed nab\u00edje\u010dky<\/li>\n\n
  • M\u00edch\u00e1n\u00ed \u010dl\u00e1nk\u016f s r\u016fzn\u00fdmi chemick\u00fdmi vlastnostmi nebo stavy nabit\u00ed<\/li>\n\n
  • Selh\u00e1n\u00ed proudov\u00fdch omezovac\u00edch obvod\u016f<\/li>\n\n
  • Regenera\u010dn\u00ed brzd\u011bn\u00ed u elektromobil\u016f dod\u00e1vaj\u00edc\u00edch proud do pln\u00e9ho akumul\u00e1toru<\/li><\/ul>

    Rekupera\u010dn\u00ed brzd\u011bn\u00ed<\/strong>, si zaslou\u017e\u00ed pochvalu. U elektrick\u00fdch vozidel bez \u0159\u00e1dn\u00e9ho omezen\u00ed proudu regen, zp\u011btn\u00e9 elektromagnetick\u00e9 pole motor\u016f p\u0159i prudk\u00e9m zpomalen\u00ed m\u016f\u017ee p\u0159ekro\u010dit jmenovit\u00e9 nap\u011bt\u00ed balen\u00ed.<\/strong>, zvl\u00e1\u0161t\u011b pokud je akumul\u00e1tor ji\u017e pln\u011b nabit\u00fd. Je to jako sna\u017eit se nacpat v\u00edce vody do ji\u017e pln\u00e9ho bal\u00f3nu - h\u00e1dejte, co se stane?<\/p>

    Co se d\u011bje z fyzik\u00e1ln\u00edho a chemick\u00e9ho hlediska, kdy\u017e je nap\u011bt\u00ed p\u0159\u00edli\u0161 vysok\u00e9?<\/strong><\/h2>

    Tady se setk\u00e1v\u00e1 guma s vozovkou - nebo sp\u00ed\u0161e elektrolyt s jiskrou.<\/p>

    P\u0159ep\u011bt\u00ed zp\u016fsobuje kask\u00e1du po\u0161kozen\u00ed:<\/p>

    • Rozklad elektrolytu<\/strong>\u00a0Rozpou\u0161t\u011bdla jako EC a DMC se rozkl\u00e1daj\u00ed za vzniku plynu a tlaku.<\/li>\n\n
    • Pokovov\u00e1n\u00ed lithiem<\/strong>\u00a0Kovov\u00e9 lithiov\u00e9 usazeniny na povrchu anody, zejm\u00e9na p\u0159i rychl\u00e9m nab\u00edjen\u00ed nebo p\u0159i\u00a0n\u00edzk\u00e9 teploty<\/strong>, kde se zpomaluje interkalace iont\u016f.<\/li>\n\n
    • Hromad\u011bn\u00ed plynu a otoky<\/strong>\u00a0Uzav\u0159en\u00e9 obaly se mohou nafouknout jako pol\u0161t\u00e1\u0159e. Vid\u011bl jsem, jak se bal\u00ed\u010dky otev\u00edraj\u00ed jako Jiffy Pop na spor\u00e1ku.<\/li>\n\n
    • Vnit\u0159n\u00ed \u0161ortky<\/strong>\u00a0Dendrity z lithiov\u00e9ho pokoven\u00ed mohou prorazit separ\u00e1tory.<\/li>\n\n
    • Tepeln\u00fd \u00fanik<\/strong>\u00a0Jakmile se nahromad\u00ed dostatek tepla, hra kon\u010d\u00ed. \u0158et\u011bzov\u00e1 reakce zap\u00e1l\u00ed ho\u0159lav\u00fd elektrolyt.<\/li><\/ul>

      Dokonce ani takzvan\u00e9 \"bezpe\u010dn\u00e9 chemik\u00e1lie\", jako je LiFePO\u2084, nejsou imunn\u00ed v\u016f\u010di zneu\u017eit\u00ed - jsou to pouze shov\u00edvav\u011bj\u0161\u00ed<\/strong>, nikoliv neporaziteln\u00fd.<\/p>

      \u00da\u010dinky na r\u016fzn\u00e9 typy bateri\u00ed<\/strong><\/h2>

      LiFePO\u2084 (LFP)<\/strong><\/h3>
      • Bezpe\u010dn\u011bj\u0161\u00ed ne\u017e jin\u00e9 varianty Li-ion d\u00edky stabilit\u011b fosf\u00e1tov\u00e9 chemie.<\/li>\n\n
      • P\u0159esto,\u00a0nad 3,65 V\/\u010dl\u00e1nek<\/strong>, doch\u00e1z\u00ed k tvorb\u011b plynu a bobtn\u00e1n\u00ed.<\/li>\n\n
      • Dlouhodob\u00e9 zneu\u017e\u00edv\u00e1n\u00ed vede ke ztr\u00e1t\u011b kapacity a vnit\u0159n\u00edmu po\u0161kozen\u00ed.<\/li><\/ul>

        Li-ion (NMC, LCO)<\/strong><\/h3>
        • Extr\u00e9mn\u011b citliv\u00fd na p\u0159ep\u011bt\u00ed.<\/li>\n\n
        • P\u0159i nap\u011bt\u00ed nad 4,25 V\/\u010dl\u00e1nek o\u010dek\u00e1vejte rozpad elektrolytu, plyn, pokoven\u00ed lithia a dal\u0161\u00ed.\u00a0potenci\u00e1ln\u00ed po\u017e\u00e1r<\/strong>.<\/li>\n\n
        • Odtud p\u0159ed lety poch\u00e1zely nechvaln\u011b zn\u00e1m\u00e9 \"po\u017e\u00e1ry hoverboard\u016f\".<\/li><\/ul>

          NiMH<\/strong><\/h3>
          • P\u0159\u00ed\u010diny p\u0159eb\u00edjen\u00ed\u00a0zplynov\u00e1n\u00ed a zvy\u0161ov\u00e1n\u00ed tlaku<\/strong>.<\/li>\n\n
          • M\u016f\u017ee doj\u00edt k prasknut\u00ed pl\u00e1\u0161t\u011b, ale obvykle se nezap\u00e1l\u00ed kv\u016fli vodn\u00edmu elektrolytu.<\/li>\n\n
          • Dobr\u00e1 BMS a teplotn\u00ed \u010didla pom\u00e1haj\u00ed zm\u00edrnit.<\/li><\/ul>

            Pozn\u00e1mka: NiMH netrp\u00ed tepeln\u00fdm vyb\u00edjen\u00edm jako Li-ion, ale m\u016f\u017ee se st\u00e1le prudce uvol\u0148ovat<\/strong> p\u0159i opakovan\u00e9m p\u0159eb\u00edjen\u00ed.<\/p><\/blockquote>

            Olov\u011bn\u00fd akumul\u00e1tor<\/strong><\/h3>
            • Nadm\u011brn\u00e9 nap\u011bt\u00ed poh\u00e1n\u00ed\u00a0elektrol\u00fdza vody<\/strong>a uvol\u0148uje vod\u00edk a kysl\u00edk.<\/li>\n\n
            • T\u00edm se vy\u010derp\u00e1v\u00e1 elektrolyt, degraduj\u00ed desky a u uzav\u0159en\u00fdch typ\u016f,\u00a0rizika v\u00fdbuchu<\/strong>\u00a0p\u0159i poru\u0161e odvzdu\u0161n\u011bn\u00ed.<\/li><\/ul>

              Re\u00e1ln\u00e9 p\u0159\u00edznaky a varovn\u00e9 sign\u00e1ly p\u0159ep\u011bt\u00ed<\/strong><\/h2>

              Pokud vid\u00edte n\u011bkterou z t\u011bchto mo\u017enost\u00ed, okam\u017eit\u011b zastavit nab\u00edjen\u00ed<\/strong>:<\/p>

              • Zdu\u0159el\u00fd nebo nafoukl\u00fd kryt baterie<\/li>\n\n
              • Neobvykl\u00e9 teplo b\u011bhem nab\u00edjen\u00ed nebo po n\u011bm<\/li>\n\n
              • Chemick\u00fd nebo sp\u00e1len\u00fd z\u00e1pach<\/li>\n\n
              • Net\u011bsnost nebo zbytky v bl\u00edzkosti svorek<\/li>\n\n
              • Displej zobrazuje \"OV\" nebo \"High Voltage\".<\/li>\n\n
              • Neo\u010dek\u00e1van\u00e9 vypnut\u00ed BMS nebo chybov\u00e9 k\u00f3dy m\u011bni\u010de<\/li><\/ul>

                Pokro\u010dil\u00e9 syst\u00e9my BMS \u010dasto zaznamen\u00e1v\u00e1n\u00ed DTC (diagnostick\u00fdch k\u00f3d\u016f poruch)<\/strong> p\u0159es rozhran\u00ed CAN nebo UART - neignorujte je. Nejsou to jen \"z\u00e1vady\" - jsou to varovn\u00e9 sign\u00e1ly.<\/p>

                Dopad na p\u0159ipojen\u00e1 za\u0159\u00edzen\u00ed a bezpe\u010dnost syst\u00e9mu<\/strong><\/h2>

                P\u0159ep\u011bt\u00ed ne\u0161kod\u00ed jen baterii. Zp\u016fsobuje i to, \u017ee cel\u00fd syst\u00e9m<\/strong> ohro\u017een\u00ed:<\/p>

                • Po\u0161kozen\u00e9 stopy na desce plo\u0161n\u00fdch spoj\u016f, regul\u00e1tory a kondenz\u00e1tory<\/li>\n\n
                • Spu\u0161t\u011bn\u00e1 p\u0159ep\u011b\u0165ov\u00e1 ochrana (OVP) v sol\u00e1rn\u00edch st\u0159\u00edda\u010d\u00edch, kter\u00e1 zp\u016fsobuje vypnut\u00ed syst\u00e9mu.<\/li>\n\n
                • U stejnosm\u011brn\u011b propojen\u00fdch sestav se m\u016f\u017ee porucha jedn\u00e9 sady kask\u00e1dovit\u011b p\u0159en\u00e9st na celou sb\u011brnici.<\/li><\/ul>

                  V jednom projektu sol\u00e1rn\u00ed farmy \u0161patn\u011b nakonfigurovan\u00fd MPPT umo\u017enil, aby nap\u011bt\u00ed 96V Li-ion akumul\u00e1toru stouplo nad 100V. V\u00fdsledek? Nejen\u017ee se baterie zv\u011bt\u0161ila, ale m\u011bni\u010d usma\u017eil sv\u016fj vstupn\u00ed stupe\u0148<\/strong>. To je p\u011btim\u00edstn\u00e1 \u010d\u00e1stka.<\/p>

                  Jak zabr\u00e1nit p\u0159ep\u011bt\u00ed v bateriov\u00fdch syst\u00e9mech<\/strong><\/h2>

                  Tomu v\u0161emu se m\u016f\u017eete vyhnout d\u00edky d\u016fkladn\u00e9mu n\u00e1vrhu a osv\u011bd\u010den\u00fdm postup\u016fm:<\/p>

                  • Pou\u017eijte\u00a0spolehliv\u00e1 BMS<\/strong>\u00a0s monitorov\u00e1n\u00edm na \u00farovni bun\u011bk<\/li>\n\n
                  • Sada\u00a0horn\u00ed hranice nap\u011bt\u00ed<\/strong>\u00a0v MPPT, st\u0159\u00edda\u010d\u00edch a nab\u00edje\u010dk\u00e1ch<\/li>\n\n
                  • Vyhn\u011bte se m\u00edch\u00e1n\u00ed bun\u011bk s r\u016fzn\u00fdm SoC, st\u00e1\u0159\u00edm nebo chemick\u00fdm slo\u017een\u00edm.<\/li>\n\n
                  • Zahrnout\u00a0teplotn\u00ed senzory<\/strong>-tolerance nap\u011bt\u00ed kles\u00e1 v chladn\u00fdch podm\u00ednk\u00e1ch<\/li>\n\n
                  • Pou\u017eijte\u00a0p\u0159ednab\u00edjec\u00ed obvody<\/strong>\u00a0p\u0159i p\u0159ipojov\u00e1n\u00ed velk\u00fdch balen\u00ed<\/li><\/ul>

                    V\u00e1\u017en\u011b: v\u011bt\u0161ina katastrofick\u00fdch selh\u00e1n\u00ed, kter\u00e1 jsem vid\u011bl v ter\u00e9nu, mohla b\u00fdt se vyhnul s \\$20 inteligentn\u00ed BMS<\/strong>.<\/p>

                    Co d\u011blat p\u0159i podez\u0159en\u00ed na p\u0159ep\u011bt\u00ed (krok za krokem)<\/strong><\/h2>
                    1. Okam\u017eit\u011b p\u0159esta\u0148te nab\u00edjet.<\/strong><\/li>\n\n
                    2. Nechte bal\u00ed\u010dek vychladnout<\/strong>\u00a0p\u0159irozen\u011b - pokud doch\u00e1z\u00ed k odv\u011btr\u00e1v\u00e1n\u00ed, nepokou\u0161ejte se pou\u017e\u00edvat ventil\u00e1tory.<\/li>\n\n
                    3. M\u011b\u0159en\u00ed svorkov\u00e9ho nap\u011bt\u00ed<\/strong>\u00a0a zkontrolovat anom\u00e1lie v jednotliv\u00fdch bu\u0148k\u00e1ch.<\/li>\n\n
                    4. Kontrola balen\u00ed<\/strong>\u00a0zda nen\u00ed otekl\u00fd, sy\u010div\u00fd nebo zda nez\u016fst\u00e1vaj\u00ed zbytky.<\/li>\n\n
                    5. Zaznamenejte v\u0161echny k\u00f3dy BMS nebo m\u011bni\u010de.<\/strong><\/li>\n\n
                    6. Pokud balen\u00ed vykazuje fyzick\u00e9 po\u0161kozen\u00ed,\u00a0spr\u00e1vn\u011b zlikvidovat nebo recyklovat<\/strong>.<\/li><\/ol>

                      Nikdy se nepokou\u0161ejte dob\u00edjet nebo znovu pou\u017e\u00edvat lithium-iontov\u00fd \u010dl\u00e1nek, kter\u00fd vykazuje zn\u00e1mky bobtn\u00e1n\u00ed nebo ventilace - hroz\u00ed nebezpe\u010d\u00ed po\u017e\u00e1ru.<\/p><\/blockquote>

                      Z\u00e1v\u011br<\/strong><\/h2>

                      P\u0159ep\u011bt\u00ed nemus\u00ed v\u017edy zp\u016fsobit okam\u017eit\u00fd oh\u0148ostroj - ale je to tikaj\u00edc\u00ed \u010dasovan\u00e1 bomba<\/strong>. A\u0165 u\u017e provozujete sol\u00e1rn\u00ed p\u0159\u00edst\u0159e\u0161ek nebo flotilu vysokozdvi\u017en\u00fdch voz\u00edk\u016f, \u0159\u00edzen\u00ed nap\u011bt\u00ed nen\u00ed voliteln\u00e9. Je kriticky d\u016fle\u017eit\u00e1.<\/p>

                      Komponenty vyb\u00edrejte s rozmyslem. P\u0159izp\u016fsobte chemii sv\u00e9 nab\u00edje\u010dce. A p\u0159edev\u0161\u00edm...respektovat nap\u011bt\u00ed.<\/strong><\/p>

                      Nej\u010dast\u011bj\u0161\u00ed dotazy<\/strong><\/h2>

                      Ot\u00e1zka 1: Je nebezpe\u010dn\u00e9, kdy\u017e nap\u011bt\u00ed baterie m\u00edrn\u011b p\u0159ekro\u010d\u00ed jmenovitou hodnotu?<\/strong><\/h3>

                      Ano. Dokonce i 0,05 V na \u010dl\u00e1nek nad specifikac\u00ed<\/strong>\u010dasem urychluje degradaci. Nez\u00e1le\u017e\u00ed jen na jednor\u00e1zov\u00e9m v\u00fdkyvu - jde o to. kumulativn\u00ed expozice<\/strong>.<\/p>

                      Ot\u00e1zka 2: Jak\u00e9 nap\u011bt\u00ed je p\u0159\u00edli\u0161 vysok\u00e9 pro 12V baterii LiFePO\u2084?<\/strong><\/h3>

                      Obvykle je absolutn\u00edm limitem nab\u00edjen\u00ed 14,6 V (3,65 V \u00d7 4 \u010dl\u00e1nky). Cokoli nad tuto hranici 14,7V rizika tvorby plynu a bobtn\u00e1n\u00ed<\/strong>.<\/p>

                      Ot\u00e1zka 3: M\u016f\u017ee p\u0159ep\u011bt\u00ed zp\u016fsobit v\u00fdbuch baterie?<\/strong><\/h3>

                      Ano - zejm\u00e9na s Li-ion. Ale nejde jen o samotn\u00e9 nap\u011bt\u00ed. \u0159et\u011bzov\u00e1 reakce, kterou spou\u0161t\u00ed<\/strong>: plyn \u2192 teplo \u2192 prasknut\u00ed \u2192 po\u017e\u00e1r.<\/p>

                      Ot\u00e1zka 4: Jak\u00e9 n\u00e1stroje pom\u00e1haj\u00ed sledovat nap\u011bt\u00ed baterie v re\u00e1ln\u00e9m \u010dase?<\/strong><\/h3>

                      Inteligentn\u00ed syst\u00e9my BMS (nap\u0159. Daly, JBD), monitory bateri\u00ed Victron a \u0159e\u0161en\u00ed na b\u00e1zi bo\u010dn\u00edk\u016f, jako nap\u0159. Monitory bateri\u00ed Renogy<\/strong> ve\u0161kerou pomoc.<\/p>

                      Ot\u00e1zka 5: M\u00e1m p\u0159estat nab\u00edjet, kdy\u017e sly\u0161\u00edm sy\u010den\u00ed nebo vid\u00edm otok?<\/strong><\/h3>

                      Rozhodn\u011b. Ne\u017e to uvid\u00edte nebo usly\u0161\u00edte, ji\u017e doch\u00e1z\u00ed ke \u0161kod\u00e1m<\/strong>. Okam\u017eit\u011b odpojte a zkontrolujte.<\/p>","protected":false},"excerpt":{"rendered":"

                      \u00davod Dovolte mi za\u010d\u00edt p\u0159izn\u00e1n\u00edm: Sma\u017eil jsem v\u00edc bateri\u00ed, ne\u017e bych si cht\u011bl p\u0159ipustit. Od prvn\u00edch laboratorn\u00edch prototyp\u016f v 90. letech a\u017e po vysokonap\u011b\u0165ov\u00e9 syst\u00e9my v sol\u00e1rn\u00edch farm\u00e1ch jsem vid\u011bl, jak lithiov\u00e9 \u010dl\u00e1nky bublaj\u00ed, NiMH sady bobtnaj\u00ed a olov\u011bn\u00e9 kyseliny sy\u010d\u00ed jako rozzu\u0159en\u00e9 konvice - to v\u0161e kv\u016fli jedn\u00e9 klamn\u011b jednoduch\u00e9 veli\u010din\u011b: nap\u011bt\u00ed. Nap\u011bt\u00ed baterie nen\u00ed jen \u010d\u00edslo...<\/p>","protected":false},"author":1,"featured_media":2839,"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-4470","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\/4470","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=4470"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4470\/revisions"}],"predecessor-version":[{"id":4471,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4470\/revisions\/4471"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/2839"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=4470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=4470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=4470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}