18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display
1. Compact & Portable Design: Small footprint (195×102×80mm), lightweight at only 0.8kg, easy to carry and place on any workbench.
2. Adjustable Output: 0–30V voltage and 0–5A current with precise and stable regulation.
3. 4-Digit LED Display: Real-time monitoring of voltage, current, and power for accurate control.
4. Comprehensive Protection: Built-in overload, short-circuit, and over-temperature protection for safe operation.
5. USB Fast Charging Port: Additional output for charging mobile devices or powering external electronics.
6. Memory Function: Automatically saves last settings after power-off for convenience.
7. Efficient Cooling System: Intelligent fan and ventilation design ensures stable long-term performance.
In The Box: 1 × Adjustable DC Power Supply 30V 5A Unit, 1 × AC Power Cord, 1 × Test Lead Set, 1 × User Manual
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Details...
18W USB Fast Charging Variable Adjustable Lab Bench DC 30V 5A Power Supply with 4-digit LED Display
Alimentation DC réglable Ransanx 30V 5A – Alimentation de laboratoire de précision à tension variable
The compact and feature-rich Adjustable DC Power Supply 30V 5A is designed for precision testing, prototyping, and repair work. Its portable benchtop size (195×102×80mm) and 0–30V, 0–5A adjustable output make it ideal for electronics labs, classrooms, and workshops.
Caractéristiques principales
- Compact & Portable: Ultra-small footprint (195×102×80mm), lightweight at just 0.8kg.
- Adjustable Voltage & Current: 0–30V and 0–5A output with high accuracy and fast response.
- Affichage numérique 4 chiffres : Affichage en temps réel de la tension, du courant et de la puissance pour un suivi précis.
- Full Protection: Built-in overload, short-circuit, and over-temperature protection systems.
- Port de charge rapide USB : Chargez ou alimentez des appareils externes tout en utilisant la sortie principale.
- CV & CC Modes: Supports constant voltage and constant current operation for various use cases.
- Memory Function: Retains last-set voltage and current after power-off.
- Cooling System: Integrated fan and ventilation design for long-term stability.
Caractéristiques techniques
| Paramètre | Specification |
|---|---|
| Tension de sortie | 0–30V DC (adjustable) |
| Output Current | 0–5A DC (adjustable) |
| Affichage | Affichage LED 4 chiffres (tension, courant, puissance) |
| Précision | Voltage ±1%, Current ±1% |
| Resolution | Tension 0,01V / Courant 0,001A |
| Ripple Noise | ≤1 % |
| Operating Modes | CV (Tension constante) / CC (Courant constant) |
| Protection | Overload, short-circuit, over-temperature |
| Sortie USB | Fast charging interface |
| Input Voltage | CA 110V |
| Cooling | Smart fan + ventilation slots |
| Dimensions | 195×102×80mm |
| Poids | 0.8kg |
Le colis contient
- 1 × Adjustable DC Power Supply 30V 5A Unit
- 1 × AC Power Cord
- 1 × Test Leads Set
- 1 × Manuel d’utilisation
Idéal pour
Tests électroniques, prototypage de circuits, charge de batteries, laboratoires de réparation et usage éducatif. Parfait pour les ingénieurs, makers et amateurs exigeant une alimentation précise et stable.







Take a Closer Look
Specification
| Item | Specification |
|---|---|
| Product name | Power Supply |
| Output Voltage | 0 ~ 30 V DC (adjustable) |
| Output Current | 0–5A DC (adjustable) |
| Display | 4-digit LED display (Voltage / Current / Power) |
| Accuracy | ± 1% |
| Resolution | 0.01V / 0.001A |
| Ripple Noise | ≤1% |
| Operating Modes | CV (Constant Voltage) / CC (Constant Current) |
| Protection | Overload / Short-circuit / Over-temperature |
| USB Output | Fast charging interface |
| Input Voltage | AC 110V |
| Cooling System | Smart fan + ventilation design |
| Dimensions | 195×102×80mm |
| Weight | 0.8kg |







