Hawink Hawink Tattoo Battery Wireless Power Supply for RCA Rotary Tattoo Pen Machine (Black) P155-1-RCA

Hawink Mini Wireless Tattoo 3.7V Lithium Battery 1600mAh,LED- Digital Display that provides high and efficient performance. | It has a capacity of 1600mAH, Fully charged, Run 5 to 12 volts.Lithium battery lasts 3-6 hours depending on your voltage and motor. It comes with a 13 level voltage control from 5V-12V. The voltage is incremented or decremented by +-0.5V. | Note: In order to extend the battery life, it is recommended to charge and discharge the battery at least once a month. | Package include: Battery and charging cable. | USAGE & INSTRUCTIONS - For details, please refer to the instructions.