Uboat battery
Size: 22mm x 61mm x 15mm
Battery capacity: 550mAh
Output voltage: 3.7V
Coil resistance: ≥1.5ohm
Charging: DC 5V/200mA
Uboat Tank
Size: 38 x 22 x 15mm
Capacity: 2ml
Coil: ceramic 1.5ohm
It comes with
1x Uboat battery
1x Uboat Tank
1x Uboat USB charging dock
1x Manual