Choosing the Right USB Tester: RELIFE XA1 vs XA2 Pro vs XA3 Pro
In today’s fast-paced repair industry, having a reliable USB tester is essential for every technician. RELIFE offers a powerful lineup of USB intelligent testers – the XA1, XA2 Pro, and XA3 Pro – each suited for different needs. Whether you’re monitoring current, voltage, battery health, or charging protocols, this comparison will help you choose the right tool for your repair station.
RELIFE XA1: Compact Current & Voltage Display Tester
The XA1 is a simple, compact, and affordable USB tester. It displays real-time voltage and current values and is ideal for basic power diagnosis. It’s bidirectional and compatible with USB-A ports – perfect for mobile repair beginners and daily testing.
- Voltage Range: 4V–20V
- Current Range: 0–6.5A
- Compact HD screen display
- Auto flip screen & sleep function
- Buy RELIFE XA1
RELIFE XA2 Pro: Battery Efficiency & Cycle Data Tool
Designed for iPhone battery efficiency testing (from iPhone 11 to 15 Pro Max), the XA2 Pro is a must-have for battery repair technicians. It sets cycle data, battery health stats, and supports cable-free operation with auto popup reading via Exinrun software.
- For iPhone 11 to 15PM battery testing
- Reads battery cycles, capacity & health
- Auto repair prompt for battery efficiency
- Includes connector cables
- Buy RELIFE XA2 Pro
RELIFE XA3 Pro: Advanced Dual USB-C and USB-A Power Monitor
The XA3 Pro is the most advanced model, featuring dual USB-A and Type-C support. It can monitor up to 6.5A and display real-time power consumption, voltage, and resistance with incredible accuracy. The device supports 180° screen rotation and comes with rich protocol detection.
- Voltage Range: 4–30V
- Current Range: 0–6.5A
- Supports PD, QC2.0/3.0, SCP, FCP, AFC, VOOC
- HD colorful real-time display
- Buy RELIFE XA3 Pro
Comparison Table
| Model | Voltage Range | Current Range | Display | Key Use | USB Type |
|---|---|---|---|---|---|
| XA1 | 4–20V | 0–6.5A | HD screen | Basic USB testing | USB-A |
| XA2 Pro | 3.7–4.5V (Battery) | N/A | OLED + iPhone Sync | iPhone Battery Health | Lightning (via cable) |
| XA3 Pro | 4–30V | 0–6.5A | Color HD display | Multi-protocol Power Monitoring | USB-A + Type-C |
Conclusion: Which One Should You Choose?
- If you need a simple power display tool, XA1 is your budget-friendly choice.
- If you focus on battery diagnostics for iPhones, go for XA2 Pro.
- For advanced and all-in-one testing, especially with PD/Type-C protocols, XA3 Pro is the best.