A replacement charger that powers from your car. Solano Car Charger: Charges (2) 7.4V 1800mAh Lithium-ion batteries used with the Solano Heated Gloves: Input: 12V (standard automobile power source) Output: 8.4V, 1A Light flashes RED while charging and turns solid GREEN when charging is complete Black Diamond Solano Heated Gloves Car Charger