RF4 RF-305A Multifunctional Adjustable DC Power Supply with Short Killer Function (30V / 5A)

RF4 RF-305A Multifunctional Adjustable DC Power Supply with Short Killer Function (30V / 5A)

The RF4 RF-305A Multifunctional Adjustable DC Power Supply is a professional 30V/5A regulated bench power supply designed for mobile phone repair, motherboard diagnostics, PCB testing, electronics development, and laboratory applications. Featuring an integrated Short Killer function, this intelligent power supply enables technicians to safely locate and eliminate short circuits while providing precise voltage and current control for advanced electronic repairs.

Equipped with a high-definition digital display, the RF-305A offers simultaneous real-time monitoring of voltage, current, and power output, allowing accurate adjustments during troubleshooting and repair. Its precision-regulated output ensures stable power delivery, making it ideal for powering smartphones, tablets, laptops, PCBs, embedded systems, and various electronic devices.

The built-in Short Killer mode delivers controlled high-current pulses to help identify and clear shorted components on mobile phone motherboards and electronic circuit boards. This feature significantly reduces troubleshooting time and improves repair efficiency during chip-level servicing.

Designed with intelligent protection systems, the RF-305A safeguards connected devices against over-voltage, over-current, overload, overheating, and short circuits. Its durable metal chassis, low-noise cooling system, and ergonomic control panel make it suitable for continuous operation in repair workshops, R&D laboratories, and production environments.

Whether you’re performing current consumption analysis, motherboard diagnostics, battery activation, circuit testing, or short circuit repair, the RF4 RF-305A delivers professional-grade precision, stability, and reliability.

Key Features

• Professional 30V / 5A adjustable DC bench power supply.
• Integrated Short Killer function for motherboard short-circuit repair.
• High-definition digital display for voltage and current monitoring.
• Precision adjustable voltage and current output.
• Stable low-ripple regulated power supply.
• Intelligent protection against over-voltage, over-current, overload, overheating, and short circuits.
• Fast-response power regulation for accurate diagnostics.
• Durable metal housing with efficient cooling system.
• Ideal for smartphone, PCB, laboratory, and electronics repair.
• Suitable for professional technicians, engineers, and repair centers.

Technical Specifications