Almost half of those surveyed said that if their mobile phone died they would only be able to remember three phone numbers - and more than 70% said they would give up having pudding after a meal in order to have a fully charged smartphone for a month.
Kevin Malinowski, a spokesman for mophie, said:
Millions of people rely on their smartphones daily to stay in touch with loved ones and do work on the move.
But all of these activities hinge on a single factor: having enough juice to keep the phones running.
More top news
Brian Cullinan's error led to La La Land being mistakenly announced as the Best Picture at the Oscars.
The Food Standards Agency said the product can be returned "from where it was bought for a full refund."
The car giant said it would cut 1,160 jobs at the plant in Bridgend.