I suspect my fake lightening cable charge my iPhone 5 much slower than my original lightening cable on the same charger. Is there an app that will display the current battery draw/charging current and also plot it over time?
there is a new app on the Apple store - Amperes. It shows the charging rate of your iPad/ iPhone.
$0.99 version: https://itunes.apple.com/us/app/amperes/id1245475416?mt=8