AirSep - Focus Charging Coiled Cable (no on/off switch)

AirSep - Focus Battery Charging Coiled Cable (no on/off switch). 

This product is a replacement part to the standard cable that is used to connect external batteries to supply Focus universal AC/DC for refilling cartridges. 

Like its counterpart, it lets you connect the concentrator unit battery. The difference EDA research in plastic coating coiled spring which highly increases the resistance and allows a small footprint compared to its counterpart simple.