Importers of battery chargers or external power supplies (EPSs), and manufacturers or sellers of consumer products that include battery chargers or EPSs, are likely subject to strict energy conservation standards. By virtue of Department of Energy (DOE) regulations that took effect in February 2016 and June 2018 for EPSs and battery chargers, respectively, manufacturers and importers of these charging devices must now meet stringent conservation standards under the Energy Policy and Conservation Act (EPCA) or…