Compact Tattoo Cartridge Grips Kit with Builtin Power Supply A professional, allinone tattoo handle and wireless power supply designed for cartridgestyle needles. Durable aluminum alloy construction, ergonomic textured grip, and a builtin 1600mAh lithium battery provide reliable performance for extended sessions. Precise voltage control and an LCD display make setup and monitoring simple. Key benefits Integrated handle and power supply saves setup space and removes extra cables for faster, neater workflows. Builtin 1600mAh battery supports long sessions and large area work without frequent recharging. Precise voltage control from 4 to 12V with 0.1V short press adjustments and quick long press changes for consistent needle performance. LCD display shows remaining battery capacity, current voltage, and operation time so you can monitor power and runtime at a glance. CNC fine engraving and ergonomic design deliver a comfortable, anti slip grip that reduces hand fatigue during long procedures. Adjustable needle stroke with a builtin steel ball keeps stroke stable and accurate so needle performance does not change during use. What makes it stand out 2 in 1 design: handle plus wireless power supply in one unit for convenience and portability. Durable aluminum alloy housing and precision CNC engraving for a professional feel and long service life. Forced start voltage set at 8V for consistent motor startup behavior. Included items 1 x Tattoo cartridge grips tube 3 x Needle bars (approx. 8.5 cm, 9.0 cm, 9.5 cm) 1 x Large rubber ring 1 x Small rubber ring 1 x USB charging cable Compatibility Designed for use with tattoo cartridge needles and cartridge grip tubes. Compatible with tattoo motor machines that have a standard interface connection. Needle bars fit most cartridge needle setups. Technical specifications Item type: Tattoo cartridge grips kit Material: Aluminum alloy and electronic components Battery: Builtin lithium battery, 1600mAh Handle size: Length approx. 86.5 mm, diameter approx. 34 mm Needle bar sizes: approx. 85 mm, 90 mm, 95 mm Voltage range: 4 to 12V Voltage adjustment accuracy: 0.1V per short press; long press for faster adjustment Forced start voltage: 8V Technology: CNC fine engraving process LCD display: Battery capacity, current voltage, operation time Use scenarios Studio sessions for medium to large tattoos where cable operation improves mobility and workspace organization. Onlocation work where portable, selfcontained power and quick voltage adjustments let you adapt to different needle types and skin areas. Training or practice sessions where accurate stroke stability and visible runtime help students learn consistent machine handling. Practical details Adjustable needle stroke and included needle bars provide compatibility with most cartridge needles and help maintain consistent performance across different setups. USB charging cable enables convenient recharging between sessions. Ergonomic grip and anti slip engraving reduce hand strain during extended use. This tattoo cartridge grips kit is a compact, reliable solution for artists seeking a portable handle with an integrated power supply, precise voltage control, and clear runtime information.