2UUL PW21 Mini Charging Mate Detector – USB-C Digital Voltage, Current & Power Meter for Phone Repair

Overview 

The 2UUL PW21 Mini Charging Mate Detector is an indispensable, compact USB-C diagnostic tool built specifically for mobile phone repair technicians and electronics workshops. Instead of guessing whether a fault lies in the charging cable, adapter, Type-C port, or internal power management IC (PMIC), the PW21 provides precise, real-time measurements in seconds. Simply plug it inline between your power source and the device to instantly monitor performance parameters.

Key Features 

• Comprehensive Parameter Monitoring: Displays live Voltage (V), Current (A), Power (W), Session Timing (T), Capacity (mAh), Energy (mWh), and internal device/board metrics on a crisp color display.

• Fast-Charging Protocol Detection: Automatically identifies and displays active charging protocols including PD2.0/3.0, PPS, QC2.0/3.0, FCP, SCP, AFC, PE, DASH, VOOC, and Super VOOC.

• Bidirectional Current Testing: Measures current flow in both directions, making it ideal for checking power bank capacities and monitoring discharge behaviors.

• High-Capacity Range: Rated up to 30V and 12A, allowing it to handle everything from standard 5V smartphone charging to heavy-duty laptop-class fast chargers.

• Data Logging & Persistence: Multi-group data storage retains your test session readings even after power is disconnected, letting you review results away from the bench.

Technical Specifications

Why Technicians Need the PW21? 

• Instant Triage: Plug it in before opening a dead or malfunctioning phone to immediately isolate whether the issue is hardware-related (charging IC/port) or external (bad cable/charger).

• Pocket-Sized Portability: Compact form factor fits seamlessly into any technician’s toolkit for daily bench use.