1. Introduction
The SUNSHINE P2 Pro is a high-performance 330W intelligent regulated DC power supply featuring a toroidal transformer, designed for precision voltage and current output. It offers a 30V/5A output, 65W/40W fast charging capabilities, four-segment storage channels, and a multi-screen four-digit display. This manual provides detailed instructions for the safe and efficient operation of your P2 Pro power supply.
Figure 1: SUNSHINE P2 Pro Intelligent Regulated DC Power Supply
2. Key Features
- High-Frequency Output: Precise 30V/5A adjustable DC power supply.
- Data Storage: Four sets of adjustable data storage channels (CH1-CH4) for quick recall of settings.
- Voltage Conversion: One-button limited conversion for high (8.4V, suitable for laptop repair) and low (5V) voltage output.
- Dual-Port Fast Charging: 65W fast charge Type-C and 40W fast charge USB interfaces, compatible with multiple device protocols.
- Intelligent USB Output: Adjustable USB output from 0V-30V.
- Fixed USB Output: Dedicated 5V/2A fixed USB output.
- Advanced Circuitry: Features a highly integrated, double-sided solderable chip circuit board for enhanced stability.
- Efficient Cooling: Low noise and low ripple design with an intelligent system fan for effective cooling.
- Clear Display: Four-digit, multi-screen display showing current, voltage, and charging output with accurate values.
- Toroidal Transformer: Built-in 265W toroidal voltage regulator for stable and sufficient power.
3. Product Overview and Components
Familiarize yourself with the various parts and controls of your SUNSHINE P2 Pro power supply.
Figure 2: Front Panel Layout
Front Panel Controls and Indicators:
- Voltage Adjustment Knob: Adjusts the output voltage.
- Current Adjustment Knob: Adjusts the output current.
- Constant Voltage (C.V.) Indicator Light: Illuminates when the power supply is operating in constant voltage mode.
- Constant Current (C.C.) Indicator Light: Illuminates when the power supply is operating in constant current mode.
- Output Indicator Light: Indicates active output.
- Output Switch Button: Toggles the main DC output on/off.
- USB 0-30V Output: Adjustable USB output.
- 5V DC Fixed Output Button: Activates the fixed 5V/2A USB output.
- 8.4V DC Fixed Output Button: Activates the fixed 8.4V output.
- 40W Fast Charge USB Interface: USB port for 40W fast charging.
- 65W Fast Charge Type-C Interface (PD): Type-C port for 65W fast charging.
- Four-Segment Storage Channels (CH1-CH4): Buttons to store and recall preset voltage/current settings.
- Overcurrent Protection (OCP) Modes (CONT.OCP, ONCE.OCP, CCP): Buttons to select different overcurrent protection modes.
- Positive Output Terminal (Red): Connects to the positive lead of your device.
- Negative Output Terminal (Black): Connects to the negative lead of your device.
- Power Switch: Turns the unit on/off.
4. Setup
4.1 Unpacking and Inspection
- Carefully remove the power supply from its packaging.
- Inspect the unit for any signs of damage during transit. If damage is found, do not operate the device and contact customer support.
- Verify that all accessories are included:
- SUNSHINE P2 Pro Host Unit (1)
- Power Cord (1)
- 10A Fish Clip Line (1)
- Instruction Manual (1)
Figure 3: Package Contents
4.2 Placement
- Place the power supply on a stable, level surface.
- Ensure adequate ventilation around the unit. Do not block the ventilation openings on the sides or rear.
- Keep the unit away from direct sunlight, heat sources, and excessive moisture.
4.3 Power Connection
- Ensure the power switch on the front panel is in the OFF position.
- Connect the provided power cord to the power input socket on the rear of the unit.
- Plug the other end of the power cord into a suitable AC power outlet (110V-127V, 60Hz or 220V-240V, 50Hz, depending on your model and region).
5. Operating Instructions
5.1 Basic Operation (DC Output)
- Turn on the power supply using the main power switch. The display will illuminate.
- Adjust the desired output voltage using the Voltage Adjustment Knob. The display shows the set voltage with decimal point level precision.
- Adjust the desired output current limit using the Current Adjustment Knob.
- Connect your device to the Positive Output Terminal (Red) and Negative Output Terminal (Black) using the provided fish clip lines or other suitable cables.
- Press the Output Switch Button to enable the DC output. The Output Indicator Light will illuminate.
- Monitor the voltage and current readings on the display. The C.V. or C.C. indicator will show the operating mode.
- To disable the output, press the Output Switch Button again.
Video 1: Demonstration of precision control, 30V/5A output, 5V/8.4V one-button switch, four-channel preset adjustment, and mobile phone startup test.
5.2 Using Preset Storage Channels (CH1-CH4)
The P2 Pro allows you to store and recall up to four sets of voltage and current settings.
- To Store a Setting:
- Adjust the desired voltage and current using the respective knobs.
- Press and hold one of the CH1-CH4 buttons for approximately three seconds until a confirmation (e.g., a beep or display flash) indicates the setting has been saved.
- To Recall a Setting:
- Briefly press the desired CH1-CH4 button. The stored voltage and current will be loaded and displayed.
Figure 4: Four-channel preset adjustment for voltage and current.
5.3 Fast Charging Functions
The P2 Pro offers multiple fast charging options for mobile devices.
- 65W Fast Charge Type-C (PD): Connect your compatible device to the PD port using a Type-C cable for high-speed charging.
- 40W Fast Charge USB: Connect your compatible device to the USB port for 40W fast charging.
- 5V/2A Fixed USB Output: Press the 5V DC Fixed Output Button and connect your device to the dedicated 5V USB port for standard 5V/2A charging.
- 0-30V Intelligent USB Output: Connect your device to the USB 0-30V output. This output can be adjusted using the main voltage knob, allowing for flexible charging scenarios.
Figure 5: Fast charging a mobile phone using the P2 Pro.
5.4 High/Low Voltage One-Button Conversion
Quickly switch between 5V and 8.4V outputs for specific applications.
- Press the 8.4V DC Fixed Output Button for 8.4V output, suitable for laptop repair.
- Press the 5V DC Fixed Output Button for 5V output.
Figure 6: One-button voltage conversion for 5V and 8.4V.
5.5 Overcurrent Protection (OCP) Modes
The P2 Pro offers different OCP modes to protect your devices.
- CONT.OCP (Continuous OCP): Provides continuous overcurrent protection.
- ONCE.OCP (Once OCP): Triggers overcurrent protection once and requires manual reset.
- CCP (Constant Current Protection): Maintains constant current output even if load resistance changes.
Select the appropriate OCP mode by pressing the corresponding button.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use abrasive cleaners or solvents.
- Ventilation: Ensure the ventilation openings are free from dust and debris to prevent overheating.
- Storage: When not in use for extended periods, store the power supply in a cool, dry place, away from direct sunlight and extreme temperatures.
- Internal Components: The unit contains a built-in 265W toroidal voltage regulator and highly integrated chips. Do not attempt to open the casing or service the internal components yourself, as this may void the warranty and pose a safety risk. Refer to qualified service personnel for any repairs.
Figure 7: Internal components (for reference, do not open).
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/display off | Power cord not connected, power switch off, power outlet issue. | Check power cord connection, ensure power switch is ON, test power outlet. |
| No output voltage/current | Output switch OFF, OCP triggered, incorrect settings. | Press the Output Switch button, check OCP mode and reset if necessary, verify voltage/current settings. |
| Inaccurate readings | Faulty connection, internal issue. | Ensure secure connections. If problem persists, contact customer support. |
| Overheating | Blocked ventilation, excessive load. | Ensure clear ventilation. Reduce load if operating continuously at maximum capacity. |
8. Specifications
| Parameter | Value |
|---|---|
| Brand | SUNSHINE |
| Product Name | Intelligent Regulated DC Power Supply |
| Model | P2 Pro |
| Net Weight | 3.45 kg |
| Gross Weight | 4.10 kg |
| Product Size | 240 x 123 x 174 mm |
| Packing Size | 315 x 225 x 265 mm |
| Rated Voltage Range | 110V-127V~, 60Hz / 220V-240V~, 50Hz |
| Rated Power | 330W |
| Operating Temperature | -10°C ~ 40°C (14°F ~ 104°F) |
| Operating Relative Humidity | <90% |
| Output Voltage | DC 0-30V |
| Output Power | 150W |
| Voltage Accuracy | <0.1% + 0.03V |
| Current Accuracy | <0.3% + 3mA |
| Load Stability | <0.6% + 10mA |
| Ripple | Vrms=0.5% (10Hz-1MHz) |
| Output Current | 0-5A |
Figure 8: Detailed Product Specifications.
9. User Tips
- Voltage Compatibility: The device supports both 110-127V and 220-240V input, making it versatile for different regions. Ensure you have the correct power cord and outlet for your local voltage.
- Precision Control: Take advantage of the decimal point level precision control for both voltage and current when working on sensitive electronics.
- Preset Channels: Utilize the four-channel preset adjustment feature to quickly switch between frequently used voltage and current settings, saving time during repetitive tasks.
- Mobile Phone Testing: The P2 Pro is excellent for mobile phone startup tests and charging, providing stable power and fast charging options.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official SUNSHINE website. Keep your purchase receipt as proof of purchase for warranty claims.
