Nová generácia nabíjateľných batérií: Eneloop využíva zelenú energiu

Tužkové a mikrotužkové batérie sú neodmysliteľnou súčasťou našich domácností, s rastúcim záujmom o ekológiu a udržateľnosť však čoraz viac siahame po zelenších alternatívach – nabíjateľných batériách.

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Počuli ste už o novej generácii, Eneloop od Panasonic, ktoré boli vo výrobnom procese nabité solárnou energiou?

Spája výhody dvoch technológií

Keď spojíme alkalické batérie so suchými článkami, ktoré sa vyznačujú dlhou skladovateľnosťou, vysokým výkonom a možnosťou okamžitého použitia a recyklovateľné, dobíjacie akumulátory s vysokou kapacitou, vznikne Eneloop. Tieto batérie sa vyznačujú svojou dlhou životnosťou, pozri nižšie.

Nabíjací cyklus a typy

Panasonic ponúka tri hlavné typy Eneloop batérií:

-       štandardná: všestranné použitie, jedna Eneloop AA alebo AAA batéria nahradí až 2100 jednorazových batérií, tzn. toľkokrát je možné ju nabiť a vybiť,

-       Eneloop pro: pre zariadenia s vysokou spotrebou energie, nabíjací cyklus je 500x,

-       Eneloop Lite: základná dobíjacia batéria pre bežné použitie, možné nabiť až 3000x.

Nízka miera samovybíjania

Kým bežný dobíjací akumulátor s kapacitou 1000 – 2000 mAh stratí približne až polovicu svojej kapacity po jednom roku, Eneloop batérie majú veľmi nízku mieru samovybíjania, tzn. uchovajú si až do 85 % kapacity po jednom roku. Po troch rokoch skladovania klesne na cca 75 % kapacity a po piatich rokoch na 70 %. Je potrebné zdôrazniť, že vo výrobnom procese boli nabité zelenou energiou (solárnou).

Ako vybrať nabíjačku na batérie

Ak už doma máte nabíjačku na NiMH batérie (nikel-metal-hydrid), ktorou ste predtým nabíjali klasické Panasonic či Duracell batérie, pravdepodobne bude fungovať aj na Eneloop. Sledujte veľkosť batérie, i keď väčšina moderných nabíjačiek dnes podporuje nabíjanie AA aj AAA batérií. Ďalším rozhodujúcim faktorom je nabíjací prúd, teda rýchlosť nabíjania a dodatočné funkcie, t. j. napríklad Delta-V detekcia, ktorá zastaví nabíjanie, keď je batéria plne nabitá alebo ochrana proti prebitiu.

Zdroj foto: Freepik

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