Car adapter
It works. I had one with the unit but we have two cars. This fit the bill
The DC power supply for the FreeStyle® Comfort® consists of a cord that plugs directly into the unit and the 12VDC outlet. DC power is for use in the accessory outlets of automobiles, boat, or other motor vehicles. The FreeStyle Comfort is fully functional for use on DC power. The FreeStyle Comfort will also recharge the battery pack if needed any time DC power is available. The battery pack will recharge both if the unit is off, or on and in use.
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