The portable quiet, green alternative to gas generators.Don’t compromise your comfort! Experience the wonders of the great outdoors without having to disconnect completely.The Joule Case system allows you to bring power with you, giving you endless possibilities of comfort and connection, while still allowing you to satisfy your appetite for outdoor adventure.Powerful, portable, and discreet, the P1200 Control Module with the Li500 battery is an excellent low-emissions-free mini powerhouse.. It makes a perfect security blanket for your campsite, powering essential devices for days.Includes multiple high-powered outputs and various recharging methods, Joule Case can keep your electronics running at camp. No gas fumes and no extra noise.Based on what your power needs are, you can stack another battery onto the system like lego blocks for more power. A Joule Case system is also a reduction of CO2 emissions by 89% compared to a gas generator.