StarBrain STR-305E — 30V 5A Adjustable DC Power Supply (Switching Mode, Universal AC Input)

The StarBrain STR-305E is a precision bench power supply built for labs, workshops, and electronics projects that demand stable, adjustable output. With a fully adjustable range of 0–30V and 0–5A, it gives you the fine control needed for testing, repair, and prototyping work — all displayed clearly on its bright triple-digital display (voltage, current, and wattage).

Built on switching-mode technology, the STR-305E runs efficiently with minimal heat buildup, even during extended use — making it a reliable choice for continuous lab or industrial operation. Its compact, lightweight footprint means it fits easily on any bench without taking up valuable space.

Highlights

• 30V / 5A Adjustable Output — Precise voltage and current regulation for lab-grade accuracy, controlled via smooth, responsive dials.
• Universal AC Input Compatibility — Wide-range AC input works across regions and voltage standards (110V–220V), so it’s ready to use worldwide.
• Switching Mode Efficiency — High efficiency, low heat generation, and a compact internal design suited for continuous use.
• Triple Digital Display — Real-time voltage (green), current (red), and wattage (amber) readouts for at-a-glance monitoring, plus a C.V. (constant voltage) indicator.
• Built-In USB Quick Charge Port — Doubles as a convenient charging output alongside the main terminals.
• Compact & Lightweight — Easy to move between benches or store when not in use.
• Single Unit Per Pack — Sold individually, ideal for personal labs, small workshops, or standalone project use.