The 2UUL PW31 PortCheck Pro is a diagnostic tool for testing charging ports, connectors, and cables—without needing to open the device. 

 

Key Features & Capabilities

 

Automatic Detection: It can detect charging issues such as open circuits or faulty connections in Type‑C and Lightning ports on phones, tablets, and other USB-powered devices. 

 

Visual Indicator: Uses color coding—blue for normal operation, red for open circuit or fault—to quickly convey port status. 

 

Large Display: Comes with a clear, easy-to-read screen that shows measurement values. \

 

Built-in Battery: Includes an internal rechargeable battery (300 mAh) to allow use without external power, with good standby time. 

 

Port Compatibility: Supports Type‑C and Lightning interfaces, making it usable across many Android and Apple devices. 

 

Disassembly-Free Testing: Designed so that you don’t have to dismantle the phone to test its charging port—plug in and test. 

 

Compact & Durable: Portable design suitable for workshop environments.

 

Ideal for:

 

🔧 Mobile phone repair technicians who want to quickly diagnose charging port issues without opening the device

 

⚡ Testing Type-C and Lightning ports on Android and iPhone devices to check for faults like open circuits, short circuits, or weak connections

 

🧪 Diagnosing charging problems such as phones not charging, slow charging, or fake cable detection

 

🔋 Verifying cable and port health before doing more in-depth repairs or replacing charging ICs

 

🛠️ Fast pre-checks during large-volume device repairs or refurbishing, saving time on teardown