wittwer.sascha2 years ago000shargeek strom 2 why does the battery reduce the charging speed over time I would appreciate an answer thank you LG saschaShow in original language (German)Anonymous2 years ago • purchased this product000purchased this product Helpful answerI assume you are charging the power bank: the power bank reduces the charging speed when the internal temperature reaches approx. 50-60°C. In addition, the speed is always reduced after approx. 80% with lithium ion batteries. Show in original language (German)Comment1 comment