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> How many chargers do you own? We’re surrounded by rechargeable electronic devices – mobile phones, laptops, smart watches, headphones, e-bikes and more. > > You might have a phone charger plugged in next to your bed without ever bothering to switch it off at the wall or unplugging it when not in use. The same might go for a laptop charger by your desk. > > But is that risky to do? And are there hidden costs associated with leaving chargers plugged in all the time?