Engineered with InfiniPower? technology and LiFePO4 batteries to boast a 10-year lifespan. Double your power capacity to 4096Wh by adding the Expansion Battery. Seamlessly adjust 531 Solar Panel to 40??, 50??, or 60?? via the adjustable kickstand for optimal solar power. The IP67 waterproof protection of the solar panel allows it to withstand even the harshest weather. Power up to 12 devices at once with 2400W across 12 ports. Smart App Energy Control allows access to key portable power station information. Enjoy a 5-year full-device warranty for a worry-free experience.