Mast T3 Wireless Battery for the rotary tattoo pen

The battery weighs only 66 grams and the diameter is 30mm. Easy to hold.
Full charging takes about 2.5 hours and operates bout 4-6 hours.
It is equipped with a unique shell. L-shape out shell to lower the center of gravity, which has a better feeling of holding.
Durable RCA jack and Type-c USB charging interface.
LED screen, 10V instant startup.

Specification:

• Weight: 66g
• Diameter: 33mm
• Length: 80mm*64mm
• Battery Capacity: 1700mAh
• Out Voltage: 5-12V
• Connect Cord: RCA
• Charging Voltage: DC 5V 1A