Smartphone and tablet chargers may look harmless, yet energy experts warn they can silently double a home\u2019s overnight electricity costs and even spark safety hazards.<\/p>\n\n\n\n
Leaving one tiny charger connected around the clock seems trivial, right? Unfortunately, that humble plug is often the hidden culprit behind soaring utility statements, costing the average U.S. household up to 5\u202fpercent of its monthly power budget.<\/p>\n\n\n\n
Every plugged\u2011in device draws a trickle of electricity called \u201cphantom\u201d or \u201cstandby\u201d power\u2014even when the screen is dark. According to the Department of Energy, standby consumption can reach 11\u202fpercent of a home\u2019s annual usage. Imagine paying for a service you never use; frustrating, isn\u2019t it?<\/p>\n\n\n\n Based on $0.16\u202f\/kWh national average. Figures vary by rate and time connected. Shocked by the numbers? Multiply those dollars by every charger, console, or smart speaker in the house and the expense climbs fast.<\/p>\n\n\n\n Chargers transform AC power into low\u2011voltage DC, a process that generates heat. Continuous heat degrades low\u2011quality components and, in rare cases, ignites surrounding materials. The National Fire Protection Association links a growing share of bedroom fires to overheated adapters left beneath pillows or on carpet. Why gamble with safety for a few seconds of convenience?So, what\u2019s the fix? Start small and stay consistent:<\/p>\n\n\n\nDevice (idle)<\/th> Typical standby draw<\/th> Estimated yearly cost*<\/th><\/tr><\/thead> Phone\/tablet charger<\/td> 2\u202fW<\/td> $3<\/td><\/tr> Streaming box<\/td> 6\u202fW<\/td> $9<\/td><\/tr> Game console<\/td> 10\u202fW<\/td> $14<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Leaving devices plugged in overnight also raises hidden household fire safety risks<\/h2>\n\n\n\n