Specification:

MRD503 300W Pure Sine Wave AC Power Bank 

Weight: 4.5kgs
Dimensions: 29.5*22*7.5cm
Battery Type: Lithium-Ion Battery
Capacity: 321Wh（87000mAh at 3.7V)
Charge time :about 10 hours by city power
Discharge time: AC300W Estimated 50mins; TYPE-C (45W  8H):  DC 3W  about  116H  
Output Power:300W AC  
Output Port: 7 Independent Outputs --
                   AC (2), USB (1), Type-C USB (1), Car emergency start (1),DC 12V (1), 12V cigarette lighter port(1)
Recharge:Can be charged by Solar panel and City power
Ideal for: Laptop, Light,  Phone, TV,Fan ,Jump Starter ,