1. Introduction
Thank you for choosing the Ambition Soldier Pro 520 Wireless Tattoo Machine. This manual provides essential information for the safe and effective use of your new tattoo machine. Please read it thoroughly before operation and keep it for future reference.
The Ambition Soldier Pro 520 is a high-performance wireless tattoo machine designed for professional tattoo artists. It features an adjustable stroke, a powerful coreless motor, and a high-capacity battery for extended use.

2. Safety Information
2.1. General Warnings
WARNING:
- Internal lithium battery mind potential fire risk. Do not disassemble, puncture, crush, expose to high temperature, or dispose of in fire or water.
- For disposal, please check your local authority's website for more information and dispose of the lithium-ion battery safely in accordance with applicable legal requirements.
CAUTION:
- It is prohibited to modify, disassemble, or repair products without authorization.
- Read these instructions carefully and retain them for future reference.
- Protect the product from exposure to extreme temperatures, direct sunlight, or humid environments.
- Do not place the product near heat sources (e.g., radiators, stoves) as the surface may become hot.
- This product is intended to be used in dry areas only.
2.2. Environmental Safety
No ordinary discarding. Classified and recycled according to the EU WEEE directive. Batteries are recycled separately; do not throw them into fire/water.
2.3. Explanation of Symbols
- — — — Direct current (DC)
- ⎈ USB plug
- CE This symbol indicates compliance with European Union health, safety, and environmental protection standards (ENIEC 55014-1:2021, EN IEC 61000-3-2:2019+A1:2021+A2:2024, IEC 62321-3-1:2013, IEC 62321-7-1:2015 & IEC 62321-7-2:2017).
- UKCA This symbol stands for "United Kingdom Conformity Assessed" and confirms compliance with UK market regulations.
3. Product Overview and Specifications
3.1. Key Features
- Wireless operation with high-capacity 2400mAh battery.
- Custom coreless motor (22*30mm) with 520g.cm torque for powerful and smooth performance.
- Adjustable stroke from 2.2mm to 4.2mm with 6 different length settings.
- Digital display for voltage, time, and mode (Standard/Jump Start).
- Dual grips included: 42mm heavy grip for enhanced stability and control, and 32mm light grip for versatility.
- Capable of driving tattoo needles smoothly even at low voltages (e.g., 2V) for minimally invasive sensation.
3.2. Technical Specifications

| Attribute | Value |
|---|---|
| Weight | 309g/242g (depending on grip) |
| Size | 158*42mm/32mm (depending on grip) |
| Motor | Coreless 22*30mm Motor |
| Motor Speed | 12V/9200rpm |
| Torque | 520g.cm |
| Adjustable Stroke | 2.2-4.2mm (2.2-2.6-3.0-3.4-3.8-4.2mm) |
| Voltage Range | 1-12V |
| Battery Capacity | 2400mAh |
| Usage Time | 8V 6-7 Hours |
| Charging Time | 2-3 Hours |
| Vibration Value | 0.8m/s² |
| Decibels | 50-52dB |
| Material | Aluminum |
| Is Batteries Included | Yes |
| Plug Type | EU |


4. Package Contents
The Ambition Soldier Pro 520 package typically includes the following items:
- 1 pc 520 Machine (2.2-4.2mm stroke)
- 1 pc RCA adapter
- 1 pc Metal grip-34mm
- 1 pc Silicone grip-42mm (reusable)
- 1 pc Type-C charging cable
- 1 pc RCA cable
- 1 pc Silicone accessories bag
- 1 pc Brand zipper box

5. Setup and Assembly
5.1. Attaching the Grip
Choose between the 34mm metal grip or the 42mm silicone grip based on your preference for stability and control. Screw the chosen grip onto the machine body until secure.

5.2. Adjusting the Stroke Length
The machine offers 6 different stroke length settings from 2.2mm to 4.2mm. Rotate the adjustable ring on the machine body to select the desired stroke. The available settings are 2.2mm, 2.6mm, 3.0mm, 3.4mm, 3.8mm, and 4.2mm.
- 2.2mm / 2.6mm: Suitable for shader or permanent makeup & SMP.
- 3.0mm / 3.4mm: All-rounder for various tattoo styles.
- 3.8mm: Ideal for lining.
- 4.2mm: Best for packing.

5.3. Needle Depth Adjustment
The needle depth can be precisely adjusted by rotating the grip. Ensure the needle is securely seated before making adjustments.
Refer to the product video for a visual demonstration of needle depth adjustment.
6. Operation
6.1. Charging the Battery
The machine is equipped with a 2400mAh high-capacity battery. To charge:
- Connect the Type-C charging cable to the machine's charging port.
- Use a 5V/2A charging adapter (original charging cable recommended).
- A full charge takes approximately 2-3 hours.
Important: Do not completely drain the battery before charging, as this can damage the battery.

6.2. Power On/Off and Start/Pause
- Power On/Off: Long press the power button (O).
- Start/Pause: Short press the power button (O) while the machine is on.
6.3. Adjusting Voltage and Mode
The machine features a digital display for easy control:
- Voltage Adjustment: Use the (+) button to increase voltage and the (-) button to reduce voltage. Each press adjusts the output voltage by 0.1V. The voltage range is 1-12V.
- Startup Mode Switch: Quickly double-click the power button to switch between startup modes.
- Display 'S': Standard Start mode.
- Display 'J': Jump Start mode (8V jump start).
The machine can drive tattoo needles smoothly even at 2V, offering a minimally invasive sensation for reduced skin damage and faster healing.

6.4. Wired Operation (RCA Adapter)
If the battery runs out or you prefer wired operation, the included RCA adapter can be used. Simply replace the battery pack with the RCA adapter and connect it to a standard tattoo power supply using the RCA cable.
6.5. Product Demonstration Video
7. Maintenance and Care
- Avoid liquid contact with the sensor or electronic components.
- Do not use harsh chemicals or abrasive cleaners on the machine.
- Clean the machine regularly with appropriate sterilization solutions for tattoo equipment.
- Store the machine in its brand zipper box when not in use to protect it from dust and damage.
8. Troubleshooting
If you encounter any issues with your Ambition Soldier Pro 520, please consider the following:
- Machine not turning on: Ensure the battery is charged. If using the RCA adapter, check the power supply connection.
- Inconsistent performance: Verify the needle is correctly installed and the stroke length is set appropriately for your task. Check for any debris in the motor area.
- Battery not charging: Ensure the Type-C cable and adapter are functioning correctly and are securely connected. Avoid completely draining the battery.
For persistent issues, please contact customer support.
9. User Tips
- Experiment with different stroke lengths to find what works best for various tattooing techniques (lining, shading, color packing).
- Utilize the dual grip options to find the most comfortable and stable hold for long sessions.
- Take advantage of the low voltage operation (down to 2V) for delicate work or areas requiring minimal skin trauma.
- Always ensure your machine is fully charged before a session to avoid interruptions, or have the RCA adapter ready as a backup.
10. Warranty and Support
For warranty information and customer support, please refer to the official Ambition website or contact your retailer. Keep your purchase receipt as proof of purchase.
A detailed user manual is also available in PDF format: View User Manual (PDF).





