The device pictured is a Marsrock 300W Mobile Outdoor Power Supply
a portable energy storage solution designed for various applications
especially outdoor activities and emergency backup. Brief Description & Key Specifications: Power Output: Provides up to 300W of continuous power with a peak output of 500W or 600W
offering stable power for sensitive electronics through a pure sine wave AC output. Battery Capacity: Features a high-capacity LiFePO4 (Lithium Iron Phosphate) battery pack
offering capacities like 256Wh (equivalent to 70
000mAV) or 333Wh (equivalent to 90
000mAV)
ensuring a long cycle life (e.g.
>3000 cycles). Multiple Charging Options: Can be recharged via various methods
including AC wall outlets