de.vtoman.com DE: Huge power & capacity: FlashSpeed 1500 has a strong 1500W output power and a huge 1548Wh capacity, with a maximum instant output of 3000W [V-Beyond Tech]One Hour to Full Charge: FlashSpeed 1500 can be fully charged in 1 hour with 1500W AC input. It also supports 400W solar input and 200W DC input.Capacity expansion: Add the Extra Battery to double FlashSpeed 1500's capacity from 1548Wh to 3096Wh and increase the running time of your devicesUPS Function: FlashSpeed 1500 has a