If your desk setup looks like a small electronics store and you have money to burn, this is the charger to rule them all.

You might have to repack or turn off batteries before flying on certain airlines because of the risk of fires. Other carriers no longer allow them to be stored in overhead bins.

Where you charge It can be very cheap to charge at home, especially if you have an off-peak tariff that enables you to charge your car when demand for electricity is low (at night, for example). While ...