Seven out of eight power bank rental platforms tested by Hong Kong’s consumer watchdog displayed inaccurate navigation or positioning data on map applications, a problem that may waste users’ time and incur extra charges due to delays. The Consumer Council on Thursday also found a significant variance in rental fees across different stations within the same platforms, with charges for a 30-minute rental differing by nearly 1.3 times and the daily cap on charges differing by more than 2.3...