This large portable solar power system can be used to power small and medium sized power loads. It utilizes 17 watt thin-film solar modules to charge its storage batteries. When you use this portable system, you can expect 270 watts per day of charging power. What can you power with it? Use it to power standard AC devices like computers, lights, small power tools, mid-size TVs, and devices that require less than 400 watts of power. RV customers often find this system very useful. What does this large yet portable solar power system include? A 400 watt continuous inverter, 12v gel cell battery, 17 watt solar panels, and an internal charge controller. You can place it in a 20” x 16” x 12” case for easy portability and storage (with the panels, the case weighs about 50 pounds). If you desire even longer hours of operation, increase the battery size. (Deep cycle batteries). Specifications: - Weight: Approx. 30 Lbs - Dimensions: 20" x16" x 12 " Features: - Power small to medium sized AC appliances - Easy to assemble, minimal assembly required - Affordable complete solar energy system - Provides up to 270w of electricity per day