For any defect, in the judgment of our technician, caused under normal use, we offer free repair within 12 months of purchase at the discretion of our company. A valid warranty card and original purchase invoice must be presented upon request of warranty service.

Most of power bank are universal which means it can charge up most of the USB-powered devices, either with the cable included in our product package or with the original cable of your device. However, different mobile device manufactures offering different charging cable and different mobile devices have different charging standard needs to comply with. Therefore, we suggest to use the cable included in our product package or original USB cable included with your mobile device to charge your devices.

Most of our power banks are designed with LED battery indicators. In general, when all the indicators are on, it means the battery is fully charged. For details, please refer to the user manual in the product package. Power Display - 4 lights on, indicating the remaining battery capacity is 100% - 3 lights on, indicating the remaining battery capacity is around 75% - 2 lights on, indicating the remaining battery capacity is around 50% - 1 light on, indicating the remaining battery capacity is around 25% -1 light flashing, indicating the remaining battery capacity is under 10%. MOMAX power bank is needed to be charged immediately.

This patent technology allows user to plug in the USB cable freely in either way.

Most of blondmare power bank is equipped with AutoMax function. AutoMax maximizes charging speed according to charging requirement, which provides highspeed charging for electronic devices.