Johannesburg travelers take note: airlines worldwide, including Emirates, tighten rules on power banks onboard amid safety concerns.JOHANNESBURG, South Africa —
The next time you pack your portable charger for a long-haul flight out of Johannesburg, you may have to rethink exactly where—and even whether—you bring it onboard. A growing number of global carriers are rewriting the fine print on personal electronics after a series of mid-air scares linked to lithium-ion batteries.
