Bishop Wireless Power Supply

The longest-lasting power pack! Up to 12+ hours (depending on voltage use and motor)
Fast charge time - just 1.5 hours charge time
Lightweight at only 1.9oz
Precise voltage control - to the decimal – with a range of 4 to 12 volts
These batteries now feature an Automatic Jumpstart when turned on
Premium lithium-ion batteries
Ergo-friendly cylindrical design
Clean, regulated flow from the battery power to the machine
Jump Start Feature to handle the stiffest of membranes
Pairs perfectly with the Bishop WAND
Compatible with all pen machines (with an RCA connection)
Beautiful OLED glass screen display
Custom durable plastic housing for weight reduction