Buying a phone charger is necessary because most phones don't have one in the box. You can't go wrong if you pick one from your phone's manufacturer or our list of best phone chargers. However, if your budget is tight, you may be tempted to buy a power brick from a discount store or a shady corner of the internet. This increases your risk of ending up with a fake charger. By "fake charger," I mean one that imitates a brand-name accessory or advertises features it doesn't have. Such cheap, off-brand, and counterfeit chargers work, but more often than not,...