Mast Wireless Short Battery Power Supply Super High Capacity for RCA Rotary Tattoo Pen Machine Black

Mast wirless short battery with super high capacity is compatible with all standard RCA connected rotary/pen machines.

Parameter: Weight: 53g Diameter:32mm Length:50mm Capacity:1350mAh Work Voltage:5-12v Connector: RCA

Battery can last up to 6 hours after 2-3 hours of charge time （the time it takes to fully charge depends on the adapter you use）

Easy to operate--only 3 buttons to switch it On/Off (short press ), increase (button +) and decrease (button -) the voltage by 0.1v.

Start-up function: After long press the Power and button "-" at the same time "B0" will be showing which means start-up mode on; To turn it off just long press the same two buttons together again until B1 shows up.