Gerbings 7v Lithium Battery(Red)

Battery Specifications: Capacity 2.6Ah Weight 4 oz. Voltage 7V LED Feedback Size 2" x 3" x .75" Turn it On: When the battery is plugged into a Gerbing Core Heat 7 product, push and hold the "POWER" button. To Change Temperature: Push and hold the "POWER" button to charge the power level. The battery's light will display the battery's current power level from 25% to 100%. The power level push button indicator can only be activated when connected to a product. To Check Remaining Power: Fully unplug from product. Push and hold the "POWER" button. The LED lights will indicate how much power is left on the battery. Approximate Battery Run Time/Heat Output: High 100%: 135 F, 2 Hours Mid/High 75%: 115 F, 3 Hours Mid/Low 50%: 105 F, 5 Hours Low 25%: 85 F, 8 Hours