About this item HIGH CPAICITY - Features a capacity of 1548Wh, expandable to 3096Wh with FlashSpeed 1500 Extra Battery(Available individually). NO MORE BLACKOUTS - The UPS function ensures continuous power to your essentials with a switchover time of less than 20ms. SUPER-FAST HOUR CHARGE - FlashSpeed 1500 powers up 0 to 100% in an hour. SOLAR-POWERED - Use the sun to your advantage with FlashSpeed 1500's 400W Anderson input port. Maximize solar recharge up to 400 watts. V-BEYOND TECHNOLOGY - Powers devices up to 3000 watts. Suitable for resistive loads such as lights, heaters, and so on. SAFETY FIRST, LIFEBMS & LFP BATTERY - Trust VTOMAN's LIFEBMS system offering 10 layers of protection. The durable LiFePO4 battery ensures 3000+ reliable cycles. Best-Tested Portable Power Stations in 2024: It is the fastest charging product among more than 90 portable power stations tested by CNET experts.