HAWINK Wireless Tattoo Battery Tattoo Power Supply Rechargeable USB Digital Display 1500mAh Tattoo Machine Pen Dedicated Lith

Hawink Mini Wireless Tattoo 3.7V Lithium Battery 2400mAh,LED- Digital Display that provides high and efficient performance.It is an upgraded version of the battery.

It has a capacity of 2400mAH, Fully charged, Run 5 to 12 volts.Lithium battery lasts 5-8 hours depending on your voltage and motor.. +-0.1v Adjustment Mode ,Completely convenient for every tattoo artist's needs

If you have 2 pcs power packs, you can tattoo for a whole day session! Charge one battery pack while you tattoo with the other!

Note: In order to extend the battery life, it is recommended to charge and discharge the battery at least once a month. USAGE & INSTRUCTIONS - For details, please refer to the instructions.