Calculate Wattage Of Any iPhone Charger

If you have had an iPhone for any length of time, you may be in the market for a new iPhone charger. The chargers that come with iPhones do not last forever. Different vintage iPhones use chargers of different electrical wattage. It is important to get a charger that has the correct wattage for your particular iPhone. This article explains how to calculate the wattage of an iPhone charger. Better to be safe than sorry.