CATrends: The mAh Ratings of Portable Chargers (aka Power Banks)
Class-action lawsuits allege that the mAh ratings of several portable chargers are greatly exaggerated.
Power Banks from Anker Innovations
In December 2018, a class-action lawsuit was filed against Anker Innovations for allegedly misrepresenting the milliampere-hours (mAh) of its power banks (portable power sources that can be used to charge electronic devices). Specifically, the complaint alleges that testing shows that the mAh – which represents the number of times a power bank can charge a device before it needs to be recharged – of the power banks is actually substantially lower than the company advertises. For example, the complaint alleges that the advertised mAh for one of the power banks is 5200 when, according to plaintiffs, the actual mAh is 3285. (Brady et al v. Anker Innovations Limited et al, Case No. 18-cv-11396, S. D. NY.)
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