While battery-powered heater for your house don't exist yet, there are other safe emergency heating options and portable heaters.
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Pelonis 1,500-Watt Oil-Filled Radiant Electric Space Heater with Thermostat 1,500-Watt Oil-Filled Radiant Electric Space Heater with Thermostat. 3 heater settings 600/900/1500-Watt, Safety auto shut-off and Safety tip-over switch. With adjustable thermostat, power indicator light, heavy duty casters wheels, convenient cord wrap and easy carrying handle. Whole room quiet radiant heat.
1,500-Watt Oil-Filled Radiant Electric Space Heater with Thermostat
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