Bishop B Charged Wireless Power Supply is super light at just 1.9 ounces. The battery time lasts up to 12 plus hours, with little turn around time to recharge. It’s compatible with any pen style machine with an RCA connection. 

• Battery life up to 12 plus hours
• Fast charging of 1.5 hours
• Precision voltage control from 4 to 12 volts
• Automatic jumpstart when powered on
• Compatible with all pen style machines with an RCA connection
• Premium lithium ion batteries
• 1 year manufacturer warranty