BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Our mobile power bank provides a total power up to 74W/20000mAh and 4 remaining power indicators of power bank battery, dual USB charging ports enables you to rapidly charge 2 devices simultaneously?5V/2.1 A&5V/1A?, such as phones and tablet PC. Dual input ports bring you more options. Advanced circuit and high efficiency power management to protect your electronic devices from over-current and short-circuit. Ultra-slim size is portable and optimal for travelling and working.