Electrically heated jacket

An electrical combination comprising:

• a power tool;
• a rechargeable battery pack operable to power the power tool when connected to the power tool, the rechargeable battery pack including a housing and a plurality of battery cells received in the housing;
• an article of clothing including
• a garment body;
• and
• a heater coupled to the garment body;
• and
• a battery holder separate from the garment body and including a power terminal, the battery holder being detachably couplable to the garment body;
• wherein the rechargeable battery pack is electrically connectable to the power terminal to power the heater, the housing being detachably couplable to the battery holder, wherein at least a portion of the housing is external to the battery holder when the rechargeable battery pack is coupled to the battery holder.

An article of clothing comprising:

• a garment body;
• a heater coupled to the garment body;
• a rechargeable battery pack including a housing substantially enclosing a plurality of battery cells;
• and
• a battery holder including a power terminal configured to provide power from the plurality of battery cells to the heater, the battery holder being detachably couplable to the garment body, the battery holder being detachably couplable to the housing, wherein at least a portion of the housing is external to the battery holder when the rechargeable battery pack is electrically connected to the battery holder.