New Delhi, May 11: Mobile chargers have become one of the most common household items, but many people often leave them plugged into sockets even after charging their phones. While some believe this does not consume electricity, others call it a waste. The truth lies somewhere in between.

When a charger is connected to a socket with the switch on, a small amount of electricity continues to flow through its circuits. This phenomenon is known as standby power or vampire power. Even if the phone is not connected, the charger remains active internally and consumes a minimal amount of energy.

Modern branded chargers are designed to be energy-efficient, consuming as little as 0.1 to 0.5 watts in standby mode. Older or cheaper chargers, however, may draw slightly more. For example, if a charger consumes 0.3 watts and remains plugged in for an entire month, the total electricity usage would still be negligible, costing less than a few rupees.

Individually, one charger does not significantly impact the electricity bill. However, when combined with other devices such as televisions, set-top boxes, microwaves, and gaming consoles that also remain in standby mode, the cumulative consumption can become noticeable over a year.

Beyond electricity bills, safety is another concern. Poor-quality or counterfeit chargers can overheat when left plugged in for long periods, increasing the risk of short circuits or sparking. This risk is higher in homes with faulty wiring or during hot summer months.

Experts recommend unplugging chargers after use to save small amounts of energy and reduce safety hazards. Such habits not only extend the life of electronic devices but also contribute to smarter energy use.

In conclusion, while a single charger’s standby consumption may not cause a major spike in electricity bills, adopting the practice of unplugging chargers and other electronics can lead to meaningful savings and improved safety over time. Small changes in daily routines often make a big difference in responsible energy usage.