1. Introduction
Thank you for choosing the Poseidon HM144 Wireless Tattoo Machine. This advanced electric tattoo pen is designed for professional tattoo artists, offering high efficiency, lower noise, and precise control with its powerful custom motor and integrated power supply. This manual provides essential information for the safe and effective use, setup, operation, and maintenance of your device.
2. Safety Information
- This device is intended for professional use only.
- Always ensure proper sterilization and hygiene practices are followed before and after each use.
- Do not operate the machine if it is damaged or malfunctioning.
- Keep the device away from water and other liquids to prevent electric shock.
- Use only the provided charging cable and power adapter to charge the device.
- Avoid dropping or subjecting the machine to strong impacts.
- Store the machine in a cool, dry place when not in use.
3. Package Contents
The Poseidon HM144 Wireless Tattoo Machine package typically includes:
- 1 x Poseidon HM144 Wireless Tattoo Pen with Integrated Power Supply
- 1 x Type-C Charging Cable
- User Manual (this document)
4. Device Components and Display Overview
The Poseidon HM144 features an intuitive design with an integrated display and control buttons.


Display Indicators:
- Battery Charge Level: Indicates the remaining battery power.
- Forced Start Mode: Activates a temporary power boost for starting.
- Multiple Gears (M1, M2, M3): Different operational modes or presets.
- Dot Poking: Specific mode for dot work.
- Voltage (V): Current operating voltage.
- Usage Time: Displays the duration of current operation.
Control Buttons:
- '+' Button: Increases voltage or navigates menu options.
- '-' Button: Decreases voltage or navigates menu options.
- Power Button (G): Turns the device on/off, and may pause/resume operation.
- 'M' Button: Cycles through operational modes (M1, M2, M3) or other settings.
5. Setup
5.1 Charging the Device
Before initial use, fully charge the tattoo machine.
- Locate the Type-C charging port on the integrated power supply.
- Connect the provided Type-C charging cable to the device and a suitable USB power adapter (not included).
- The battery indicator on the display will show charging status. A full charge typically takes 2-3 hours.

5.2 Attaching a Needle Cartridge
- Ensure the machine is turned off.
- Carefully insert a sterile needle cartridge into the front end of the tattoo pen. Twist gently until it locks into place.
- Ensure the needle is securely seated and aligned.
5.3 Adjusting Stroke Length
The HM144 offers multiple stroke length adjustments for versatile use.

- Rotate the grip section of the tattoo pen to adjust the stroke length.
- The available stroke lengths are 2.4mm, 2.7mm, 3.0mm, 3.3mm, 3.6mm, 3.9mm, and 4.2mm.
- Select the appropriate stroke length based on your tattooing technique and desired outcome.
6. Operation
6.1 Power On/Off
- Press and hold the Power button (G) for a few seconds to turn the machine ON or OFF.
- A short press of the Power button (G) during operation will pause or resume the machine.
6.2 Adjusting Voltage
- Use the '+' and '-' buttons to increase or decrease the operating voltage.
- Observe the voltage reading on the display to set your desired working voltage.
6.3 Mode Selection (M1, M2, M3)
- Press the 'M' button to cycle through different operational modes (M1, M2, M3). These modes may offer preset voltage ranges or specific performance characteristics.
6.4 Forced Start Mode
- The Forced Start Mode provides a brief power surge to help start larger needle configurations or when the machine needs an initial boost. Refer to the display for its activation status.
6.5 Dot Poking Function
- The Dot Poking function is designed for specific dot work techniques, offering optimized performance for this style. Activate it via the 'M' button or a dedicated setting if available.
7. Maintenance
- Cleaning: After each use, wipe down the exterior of the machine with a suitable disinfectant wipe. Do not immerse the machine in liquids.
- Sterilization: Ensure all parts that come into contact with skin or ink (e.g., needle cartridges) are single-use and disposed of properly, or sterilized according to professional standards. The machine itself is not designed for autoclave sterilization.
- Lubrication: Periodically apply a small amount of machine oil (specifically designed for tattoo equipment) to moving parts as recommended by the manufacturer to ensure smooth operation.
- Storage: Store the machine in its original packaging or a protective case in a clean, dry environment, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not turn on | Low battery; Power button not pressed correctly | Charge the machine fully; Press and hold the power button firmly for a few seconds. |
| Inconsistent power/stalling | Low battery; Loose needle cartridge; Motor issue | Recharge the battery; Ensure needle cartridge is securely attached; Contact support if issue persists. |
| Display not working | Device off; Malfunction | Turn on the device; If still not working, contact support. |
| Machine gets hot during use | Prolonged use; High voltage setting | Allow machine to cool down; Reduce voltage if possible; Ensure proper ventilation. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Poseidon |
| Model | HM144 |
| Type | Electric Tattoo Gun |
| Material | Alloy |
| Battery Capacity | 2300mAh |
| Charging Time | 2-3 Hours |
| Working Time | 5-8 Hours (depending on usage) |
| Charging Interface | Type-C |
| Stroke Lengths | 2.4mm, 2.7mm, 3.0mm, 3.3mm, 3.6mm, 3.9mm, 4.2mm |
| Motor Speed | 8000 RPM (at 8V) |
| Certification | CE |
| Package Dimensions (L x W x H) | 15cm x 11cm x 5cm |
| Package Weight | 0.44 kg |


10. User Tips
- Battery Management: The integrated 2300mAh battery provides 5-8 hours of working time. For continuous work, ensure the device is fully charged before starting. Consider taking short breaks during long sessions to allow the machine to cool and conserve battery.
- Stroke Versatility: Experiment with the various stroke lengths (2.4mm to 4.2mm) to find the optimal setting for different tattoo styles, from fine lines to shading and color packing.
- Power Modes: Utilize the M1, M2, M3 modes and the 'Forced Start' function to adapt to different needle types and skin conditions, enhancing efficiency and precision.
11. Warranty and Support
For warranty information, technical support, or any inquiries regarding your Poseidon HM144 Wireless Tattoo Machine, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase for any warranty claims.





