The MARS Revolution battery pack is the perfect economical choice for powering your tattoo machine, giving you the freedom of wireless operation. Say goodbye to pesky cables and stationary power supplies, FOREVER!

• 1500 mAh battery pack - Up to 5 hours continuous run time
• OLED Display
• 4-12V fully adjustable by 0.1 volts
• Jumpstart volt 9V
• Compatible with all tattoo machines
• Full 1 year warranty through Electrum Supply from date of purchase