SUNSHINE P5 Mini Dual Display Smart DC Power Supply (5V/3A) for Mobile Phone Repair

When a dead phone lands on your bench, the first thing you need to know is whether the board is pulling current at all — and how much. The SUNSHINE P5 Mini exists for exactly that moment. It's a dual-display smart power supply designed to give you real-time, accurate voltage and current readings while you diagnose hardware faults, test charging circuits, or run a controlled power-on test before you commit to IC change or jumper work.

What sets the P5 Mini apart from a basic bench supply is the dual readout. You get a digital display for precise numbers and a pointer-type ammeter for the instant visual feedback technicians rely on when current spikes during a short test. Watching the needle jump tells you a board has a short before the digital number even finishes updating. Both displays sit on one screen, so you're not switching between modes mid-diagnosis.

For everyday charging and testing work, the P5 Mini gives you dual-port 5V/3A output through both USB-C and USB-A. That covers most modern phones and accessories without needing a separate adapter for each cable type. Each port shows real-time voltage and current independently, which matters when you're isolating a charging issue and need to know if the fault is in the cable, the port, or the device itself.

Beyond the standard USB output, the unit supports a 0–12V output range at up to 3A, with 0.01V/0.01A resolution monitoring. That precision matters on PCB repair work — when you're feeding controlled voltage into a board to check for current draw on a specific rail, half a volt of inaccuracy can send you chasing the wrong fault. The maximum output power sits at 45W, enough headroom for most smartphone-level power testing without stepping into industrial supply territory.

Startup is built around the one-button start, plug-and-play workflow technicians actually use. With the external start cable connected, you power the board directly without routing through the phone's own power button — useful on a dead phone where the power button circuit itself might be the suspect. No extra setup, no menu diving.

Safety is handled by built-in short-circuit protection. If a board pulls excessive current or you've got a short somewhere on the PCB, the unit cuts output before damage spreads to either the board or the supply itself. That protection is what lets you run quick power-on tests on unknown boards without babysitting every single attempt.

The build itself stays compact and lightweight — about 280g and 132 x 81.8 x 88mm — so it's easy to keep on a crowded repair bench or pack into a mobile service kit if you're doing on-site repair work. Input runs on AC110-240V, so it works on standard Pakistani mains power without needing a separate converter.

In a typical repair workflow, the P5 Mini slots in early. Before you reach for the hot air station or start reballing an IC, you use it to confirm whether the board draws current normally, draws nothing at all (suggesting a dead short or open circuit), or draws excessively (pointing to a shorted component). That diagnostic step saves you from doing rework on a board that has a deeper hardware fault than the one you assumed. It pairs naturally with a multimeter for point-to-point voltage checks and works alongside ISP pinout tools when you need to power a board externally during flashing or EMMC operations.

For shops handling high volumes of dead-phone and charging-issue cases, having a dedicated smart power supply on the bench cuts down diagnosis time significantly. Instead of relying on the phone's own faulty power path to test if it's alive, you get a controlled, monitored external power source that tells you exactly what's happening at the board level.