Warm n Safe 7.4V 7800mAh Li-Ion Battery with built in controller for use with the Multi-Voltage Base Layer, Hand Warmer, Socks, Glove Liners.
This is only the battery, no pouch, extension cable or charger, those are pictured for reference to the available options. If you do not have the charger, then you need to select that in the options
Options shown in pictures:
26cm 7.4V Extension Cable allows more flexible placement of the battery
World Charger, essential if you haven't already got one
Battery Pouch with Belt Clip