DC Adapter Single charger will help you to charge your 7.4V battery pack for most of the time.It’s portable than 12V power supply by motorcycle .
Item Name:single charger
Power : 3.7V / 7.4V
Color : black
If you use a DC Adapter power supply system, you will need a single charger for your heated clothing , heated jacket ,heated socks and heated gloves etc .
The 3.7V or 7.4V require a single charger to charge the battery pack .
A DC Adapter single charger will supply the power for your cooling fan system clothing .