Comes with 2 plugs:
Plug 1)
Outside diameter: 5.49mm (-)
Inside diameter: 2.52mm (+)
Plug 2)
Outside diameter: 5.49mm (+)
Inside diameter: 2.12mm (-)
Max current: 12A, 25V
For those that like charging packs in the car on the way to thefield.
Do not use more than 50W. (about 3,600mAh 3S @1C charge)