True Mast Arena Battery WS

True ARENA Tattoo Wireless Battery RCA Connection Oled Display Voltage Screen

Attention: Batteries are NOT intended for use with proprietary rotary or coil tattoo machines.

Long press the power button to power ON/OFF the tattoo machine
Quickly double press the power button to activate start-up function.
when you going to start the battery and lightning icon on display will appear.
Press power button one time to start/pause the battery,Pedal icon will indicate the working
Big battery capacity 1800mAh, can use for 10 hours.
Super lightweight, making it easy on the wrist and hands. 

Specification:
Charge time = 3 hrs
Weight: 70g
Diameter: 32mm
Length: 73mm
Battery Capacity: 1800mAh
Working Voltage: 4-12V