It may seem inconsequential, but unplugging your phone charger after use really does make a difference. When left plugged in, your charger can continue to pull energy, posing a serious safety risk as well as other hazards. We spoke with electrical experts for the reasons why you should always unplug your charger in-between charging sessions. 02 of 05 It Can Consume Vampire Energy Credit: mikroman6 / Getty Images Phone chargers are one of the biggest culprits of vampire energy, says Daniel Mock, vice president of operations at Mister Sparky. “It comes down to how well designed the charger is,” Wallace says, “and the quality of the components.” 8 Household Appliances You Don't Need to Unplug After Every Use