This Cellink Ext 7 extension battery pack is an additional power bank for the Cellink Neo 6 battery pack. This 6600mAh battery gives an additional 6600mAh capacity to the Cellink Neo 7, good for about 30 hours of power. The Ext 7 can be easily connected to the Cellink Neo 6 with the provided cable and Velcro adhesive stickers.
The Cellink Ext 7 has an input and output port trough which it is connected to the Cellink Neo 6 battery pack. It's also possible to add more Ext 7 batteries to increase the capacity.
Note: This Cellink Ext 7 can only be used as addition to the Cellink Neo 6 and can not be used to power a dashcam independently.