... Numbe NP-IP4G (thick model)Accessory 1 USB, 1 protection film for 4warranty 12 monthsSpecification:1,IP4A Mobile Power Station2, Battery type ... Li-ion3, Capacity 1500mAh4, Fit for NP-IP4A5, Rated Input 5V 500mAh6, Rated Output 5V 500mAhProduct ... , long-life and safety !It must be your first choice for your NP-IP4A back up power!