List of Pertinent Information for the Keyword '12v heated jacket': 1. Heated clothing's heat output and coverage depend on voltage. 2. Higher voltage leads to hotter heat output and greater coverage area. 3. Rechargeable heated clothing usually operates at 7 volts due to cost and size considerations. 4. 12-volt batteries are expensive and bulky, making them less appealing to consumers. 5. 7-volt rechargeable heated clothing is currently the standard, balancing power, size, and cost. 6. Heated clothing typically draws 1-2 amps per hour. 7. Batteries for heated clothing are rated between 2000 mAh and 3200 mAh. 8. Larger batteries with more energy are available but are bigger in size. 9. The article mentions that using a higher voltage, such as 7 volts, can provide better heat output and duration compared to a 12-volt option. 10. 5-volt power banks (USB batteries) are gaining popularity but require a larger mAh rating for prolonged results. 11. Volt Heated Clothing's Thermal Half Zips are mentioned as specific heated clothing options with a 2 pad heat system. 12. 3-volt heat systems are better for heating specific or smaller areas like footwear or headwear. 13. Understanding the power source's impact on heat coverage is emphasized when purchasing heated clothing.