Battery for Ambition Storm

The Ambition Storm cordless tattoo machine battery is an excellent power source with adjustable voltage.
Battery capacity - 1850 mAh. Its charging time is only 2 hours.
The voltage of the device can be adjusted using the (+) and (-) buttons, adding or decreasing 0.1V with each press.
The LED digital display shows the output voltage, operating time and remaining battery power.
Case material - aircraft-grade aluminum.
The kit includes a cable for charging the device.