Bolt Energy 51V 105AH Thin Heated Lithium Battery51. 2V 105Ah Thin Battery Heated Battery Specifications: Heated batteries warm themselves as they start to charge, and once they hit around 34 degrees, it starts charging normally The heating system only runs when the battery is under the charging temperature and will automatically shut off once the proper temperature is reached The battery can charge in unheated places such as garages, barns and even outdoors The heating system only activates while