The device has been used very little, is very clean, and is guaranteed. There is a purchase invoice. Battery capacity: 76800mAh, 285Wh/14.8V 11V - 16.8V, 8A max car power output 11V - 30V, 100W max DC input/solar input Rated frequency: 50/60Hz AC output peak: 600W Rated voltage: 220V Wireless charger output: 15W 45W PD Capacity: 76800mAh/285Wh DC input: 11-30V, 100W max Car power output: 11-16.8V, 8A max AC output: 110V/220V, 50-60Hz Rating/Peak Output: 300/600W Wireless charging: 15W USB-A1 * 1 Output: 5V/3A, 9V/2A, 12V/2A, 24W max USB-A2 * 2 Output: 5V/2.5A, 13W max Type-C Output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 45W max Purchased from Kalemni Communications store, and the purchase invoice is available. Buraidah