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KUAIQU SPPS-Q Series Adjustable DC Power Supply
The KUAIQU SPPS-Q Series is a professional adjustable DC bench power supply designed for electronics repair, laboratory testing, engineering development, and DIY projects.
Featuring a color LCD display, intelligent triple protection system, USB-A/USB-C fast charging ports, and precise voltage/current monitoring, this DC power supply provides safe, accurate, and efficient power control for engineers, technicians, makers, and electronic enthusiasts.
With models ranging from 30V 5A to 60V 5A, the SPPS-Q Series is suitable for PCB testing, circuit debugging, battery experiments, embedded system development, and general electronics applications.
Key Features
1. Color LCD Display with Real-Time Monitoring
High-resolution color LCD provides clear visibility of:
- Output Voltage (V)
- Output Current (A/mA)
- Output Power (W/mW)
- USB Charging Voltage & Current
Smart measurement display:
- Automatic A/mA current switching
- Automatic W/mW power switching
- Voltage below 10V displays to 0.001V precision
2. Triple Protection System: OVP / OCP / OPP
Advanced protection design improves safety during testing.
OVP — Over Voltage Protection
Automatically stops output when voltage exceeds the preset limit.
Protects:
- IC chips
- Circuit boards
- Sensitive electronic components
OCP — Over Current Protection
Limits excessive current output to prevent damage caused by overload or short circuits.
Suitable for:
- PCB debugging
- Electronics repair
- Component testing
OPP — Over Power Protection
Monitors output power and prevents overload conditions during high-power applications.
3. USB-A & USB-C Fast Charging Ports
Built-in dual USB charging interfaces provide additional convenience.
Features:
- USB-A + USB-C output
- Up to 18W fast charging
- Automatic charging protocol recognition
- Real-time USB voltage/current monitoring
Applications
1. Electronics Repair & PCB Testing
The SPPS-Q Series is an ideal electronics repair power supply for technicians working on:
- PCB repair
- Circuit board testing
- IC troubleshooting
- Electronic component diagnosis
- Mobile device repair
2. DIY Electronics & Maker Projects
Perfect for hobbyists and makers working with:
- Arduino projects
- Raspberry Pi projects
- ESP32 development
- Microcontroller testing
- Electronic prototypes
3. Engineering Laboratory Testing
Designed for engineers and students in:
- Electronics laboratories
- Electrical engineering projects
- Product development
- Prototype verification
4. Battery Testing & Charging Experiments
Adjustable voltage and current control makes it suitable for:
- Battery charging experiments
- Lithium battery testing
- Battery protection circuit testing
- Small energy storage project
Quality Check and Terms of Service
Package includes:
DC Power Supply *1
Output Power Cord *1
Input Power Cord *1
User Manual *1
Warranty Card *1
Product Parameters
| Parameter Item | SPPS-Q305 | SPPS-Q3010 | SPPS-Q605 | SPPS-Q1203 | |
|---|---|---|---|---|---|
| Rated Values | Voltage | 0~30V | 0~30V | 0~60V | 0~120V |
| Current | 0~5A | 0~10A | 0~5A | 0~3A | |
| Power | 150W | 300W | 300W | 360W | |
| Load Regulation | Voltage | ≤ 0.01%+25mV | ≤ 0.01%+25mV | ≤ 0.01%+25mV | ≤ 0.01%+25mV |
| Current | ≤ 0.1%+10mA | ≤ 0.1%+10mA | ≤ 0.1%+15mA | ≤ 0.1%+15mA | |
| Line Regulation | Voltage | ≤0.01%+5mV | ≤0.01%+5mV | ≤0.01%+15mV | ≤0.01%+15mV |
| Current | ≤0.1%+5mA | ≤0.1%+5mA | ≤0.1%+5mA | ≤0.1%+5mA | |
| Setting Resolution | Voltage | <10V: 1mV
|
<10V: 1mV
|
<10V: 1mV
|
<10V: 1mV
|
| Current | 1 mA | <10A: 1mA
|
1 mA | 1 mA | |
| Readback Resolution (Display Resolution) | Voltage | <10V: 1mV
|
<10V: 1mV
|
<10V: 1mV
|
<10V: 1mV
|
| Current | < 20mA: 10 uA
|
< 20mA: 10 uA
|
< 20mA: 10 uA
|
< 20mA: 10 uA
|
|
| Setting Accuracy | Voltage | ≤0.05%+20mV | ≤0.05%+20mV | ≤0.02%+30mV | ≤0.02%+50mV |
| Current | ≤0.05%+15mA | ≤0.05%+15mA | ≤0.1%+15mA | ≤0.1%+15mA | |
| Readback Accuracy (Display Accuracy) | Voltage | ≤0.05%+20mV | ≤0.05%+20mV | ≤0.02%+30mV | ≤0.02%+50mV |
| Current | <20mA: 0.1%+60uA
|
<20mA: 0.1%+60uA
|
<20mA: 0.1%+100uA
|
<20mA: 0.1%+100uA
|
|
| Ripple (20Hz～20MHz) | Voltage | ≤60mV(p-p)
|
≤80mV(p-p)
|
≤100mV(p-p)
|
≤300mV(p-p)
|
| Current | ≤20mA(rms) | ≤30mA(rms) | ≤50mA(rms) | ≤100mA(rms) | |
| Rise Time (No Load) | Voltage | ≤100ms | ≤100ms | ≤100ms | ≤100ms |
| Rise Time (Full Load) | Voltage | ≤1200ms | ≤1200ms | ≤1200ms | ≤1200ms |
| Fall Time (No Load) | Voltage | ≤2500ms | ≤2500ms | ≤10000ms | ≤10000ms |
| Fall Time (Full Load) | Voltage | ≤100ms | ≤100ms | ≤100ms | ≤100ms |
| Efficiency (Full Power) | / | ≥83% | ≥83% | ≥83% | ≥83% |
| Input Voltage Range | Vac | 200Vac~240Vac | 200Vac~240Vac | 200Vac~240Vac | 200Vac~240Vac |
| Minimum Display Current | mA | 0.01mA | 0.01mA | 0.01mA | 0.01mA |
| Fuse | 220v Input | 3.15A | 3.15A | 3.15A | 3.15A |
| Product Dimensions | / | 218mm89mm150mm | 218mm89mm150mm | 218mm89mm150mm | 218mm89mm150mm |
| Product Weight | / | 1.2KG | 1.2KG | 1.2KG | 1.2KG |
Warranty
30-Day return and refund guarantee (Refer to our Refund Policy), 2-year warranty (only available for orders purchased directly from kuaiquinstrument.com), lifetime technique support by KUAIQU.
Please feel free to reach us with any concerns:
Email: kuaiquinstrument@163.com
We strive to reply to you within 24 hours.
Shenzhen Kuaiqu Electronic Co., Ltd. was founded in 2014 and is located in Shenzhen City, Guangdong Province. It is a scientific and technological enterprise integrating,production and sales. Specializing in the production of DC stabilized power supply, variable frequency power supply, switching power supply, program-controlled power supply and other 100 kinds of measuring teaching instruments and industrial special equipment.
We are committed to delivering premium products and exceptional customer service, striving to be your most reliable and intelligent assistant.
At KUAIQU, we are committed to providing our customers with the best value for their purchases. To ensure you always get the best price, we offer a 30-day price guarantee on all products purchased directly from kuaiquinstrument.com. This policy aims to give you confidence and peace of mind when shopping with us.
What is the 30-Day Price Guarantee?
Our 30-day price guarantee means that if you purchase a product from kuaiquinstrument.com and the price of that product drops within 30 days of your purchase date, you are eligible for a refund of the price difference of the products. (Prices are based on USD. No refunds will be given for price changes in other currencies due to exchange rate fluctuations.)
How Does the Price Guarantee Apply?
- Eligibility: The price guarantee applies only to purchases made on kuaiquinstrument.com. Products purchased from other retailers or third-party sellers are not eligible.
- Timeframe: The price drop must occur within 30 days of your original purchase date.
- Product Match: The price guarantee applies to the same product (identical model, specifications, and condition).
How to Apply for a Price Difference Refund
If you notice that the price of a product you purchased from kuaiquinstrument.com has dropped within 30 days, follow these steps to apply for a refund of the price difference:
- Documentation: Prepare your order number and proof of the price drop (such as a screenshot and link to the product page showing the reduced price).
- Contact Us: Reach out to our customer support team at kuaiquinstrument@163.com. Include your order number, proof of the price drop, and a brief explanation of your request.
- Verification: Our team will verify the price drop and your purchase details.
- Refund Process: Once verified, we will process the refund for the price difference to your original method of payment. It typically takes 1-3 business days for you to receive the refund.
At KUAIQU, we strive to provide our customers with high-quality products and exceptional customer service. Our 30-day price guarantee is just one of the ways we ensure you get the best value for your investment. Shop confidently with KUAIQU, knowing that you are always getting the best deal available.
Thank you for choosing KUAIQU. If you have any questions or need further assistance, please do not hesitate to contact our customer support team at kuaiquinstrument@163.com.
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