If it seems like it's taking forever for your smartphone to charge with certain chargers, you aren't imagining things.and#8232;and#8232; A number of variables can have a dramatic impact on how long it takes for devices to charge, especially the amperage and the quality and condition of the charging cables themselves.and#8232;and#8232; The power output, which is measured in amperes needs to be high enough to charge your battery in a timely manner.and#8232;and#8232; It's best to use the specific charger and cable that came with your phone as it's properly matched, but when you are forced to use an alternative, try to find something that has the same amperage rating. and#8232;and#8232;There are fancy electronic measuring tools that can accurately tell you what the output of a charge is or if you have an Android-based smartphone, there's an app called Ampere that's fantastic.and#8232;and#8232; Not only can it tell you the charging and draining data, but it also monitors the temperature and gives you some insight into the health of your battery. and#8232;If you have a hodgepodge of chargers, using the app when plugging into each one will tell you the fastest chargers in the bunch.and#8232;and#8232; Get it from the Google Play: and#160;https://play.google.com/store/apps/details?id=com.gombosdev.ampereandhl=en