Expandable up to 858Wh with a wire-free connection. Features a 600W rated output and 1200W X-Boost. Offers 1-hr fast charging without battery damage. Supports up to 220W fast solar charging. Provides up to 2x runtime for light-wattage appliances. It is compact and lightweight. Includes a pro-grade UPS with <10 ms response time for precision devices. Operates at <30 dB whisper quiet for 24/7 use.