Item description: 900000mAh high capacity mobile charger external battery power bank

Super compatibility, compatible with more than 99% mobile phones, tablet PCs  

Dual USB ports, you can charge phone, pad or other small electronic devices simultaneously

Question: Power Bank can't charge my phone

Answer: There may be the following situations, please try it one by one: (1) The data line we provide is for charging the power bank. (2) The first use requires charging the power bank for 10-12 hours. (3) Replace a data cable. (4) A power bank with a switch, so you need to open the switch before using.

Question: Power Bank has died once I charge my phone. What should I do?  

Answer: Because our products are new, the first use requires charging the power bank for 10-12 hours. And please try to charging and using it for another few days. If still has the problem, please contact us.

Question: Why does power bank electricity change from 100% to 80%?  

Answer: Because the product is new, it has virtual power. When you use it more often, you won't have this problem.  

Question: When charging a mobile phone, why does the LCD go out after a while?  

Answer: Because the product has energy-saving features, turning off can save power.