Batteries hold key to wearable device revolution

Longer-lasting batteries are crucial for a new crop of wearable computers whose rise may upend Apple and Google’s dominance of mobile devices, two of the field’s pioneers say.

Wearable devices - from bracelets that monitor physical activity and sleeping patterns to clothing with built-in sensors and Web-ready glasses - may mark the next big technology shift, just as smartphones evolved from personal computers.

That transition has put the unglamorous battery in a starring role.

via Business feed http://www.scmp.com/business/companies/article/1263558/batteries-hold-key-wearable-device-revolution