If the charging bank is not full, it does not mean that it is not full, and it is likely that the indicator light of the mobile power supply is inaccurate. At present, the accuracy of the indicator light is relatively normal. In addition, to determine whether it is fully charged, you must look at the capacity of the mobile power supply, charging voltage and current, so that you can estimate how much time it will take to fill. After full, it can charge the phone several times, and different capacities are not the same. ChargePal is a device that can charge a mobile device directly and has its own storage unit. At present, the main categories of the market are multi-functional charging treasure, which is basically configured with standard USB output. Note: If you are not satisfied all the time, there may be a quality problem.