Questions and answers: Viking Smartech 40,000mAh grey

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Viking Smartech 40,000mAh grey - Power Bank

Questions and answers: Viking Smartech 40,000mAh grey

This page contains frequently asked questions about Viking Smartech 40,000mAh grey. If you are considering buying this product, you may want to read the discussion or ask more questions about Viking Smartech 40,000mAh grey. They will be answered by our specialists.

Len doplnim ze pokial je kapacita ABSOLUTNE VSETKYCH POWERBANK v mAh, VZDY sa to mysli pri napati 3,6-3,7V a na ine napatie to treba patricne prepocitat napr. cez Wh. 40000mAh pri 3,7V je 148 Wh ako vidno v popise. Napr. 10000 mAh (myslene pri 3,6-3,7V) bateria pri nabijani cez USB (5V) dokaze dat ekvivalentne iba cca 7000 mAh a analogicky 40000 mAh cca 28000 mAh. Ale to bolo pri napati 5V. Pri napati 19,0-19,5-20V notebooku sa z tych 40000 mAh stane zalostnych cca 7500 mAh. Aj to vsak pri prudovom odbere 2,5A=2500 mA (co pri 20V cini spotrebu 50W) dokaze bezny kancelarsky notebook napajat 3 hodiny.

Podivné chování u Macbook Pro (15", 2016, Touch Bar): propojení kabelem USB-C na USB-C; macbook hlásí "Battery is not charging" (a skutečně nenabíjí) zatímco procenta na externí baterii postupně klesají. Co s tím? Na jaké napětí nabíjet?

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