ChargerCheck: Power Tester

🔌 CHARGERCHECK - KNOW YOUR REAL CHARGING POWER
Test any charger's true performance! ChargerCheck reveals real-time charging power in watts, measures current speed, and detects fast charging protocols. Perfect for testing new chargers, comparing cables, and finding the fastest setup.

⚡ WHY CHARGERCHECK?
Bought a new 45W charger? Verify it's really 45W. Comparing original vs cheap chargers? See the difference. Testing USB cables? Find which charges fastest. Suspicious about fake chargers? Verify with measurements.
ChargerCheck measures actual power using your battery controller - no estimates. Works as a precise ampere meter and power monitor.

🎯 KEY FEATURES
📊 REAL-TIME POWER METER
• Live power in watts (W) and milliamps (mA)
• Voltage monitoring in volts (V)
• Beautiful animated gauge
• Color-coded indicators
• Accurate ampere meter
🚀 CHARGER SPEED TEST
• Compare chargers side-by-side
• Test USB vs AC vs wireless
• Find fastest charger instantly
• Identify slow or faulty chargers
• Measure charge speed
🔋 FAST CHARGING DETECTION
• Detects charging protocols
• Shows: Slow, Normal, Fast, Super Fast, Super Fast 2.0
• Works with multiple brands
• Identifies adaptive fast charging
• Confirms authentic performance
📈 HISTORY & BATTERY MONITOR
• Auto session recording with timestamps
• Compare performance over time
• View peak power achieved
• Monitor patterns and stats
• Delete history anytime
📱 BATTERY STATISTICS
• Level, temperature, health status
• Time remaining (ETA)
• Plug type (USB/AC/Wireless)
• Complete monitor features
💡 PERFECT FOR
✓ Testing new purchases (Amazon, AliExpress) ✓ Comparing original vs third-party ✓ Finding fastest USB cable ✓ Detecting fake chargers ✓ Troubleshooting slow charging ✓ Verifying wireless performance ✓ Testing power banks ✓ Comparing car chargers
🔍 USE CASES
"Is my charger 45W?" → See actual watts "Which cable faster?" → Compare history "Why slow charging?" → See current flow "Is charger authentic?" → Verify power "Which port faster?" → Test both
📊 WHAT YOU'LL SEE
Charging Power (Watts & mA), Current Flow, Voltage, Temperature, Percentage, Time to Full, Plug Type, Status, Protocol, Health, Ampere readings
🔧 TECHNICAL
ChargerCheck uses Android Battery Manager API for real-time data from your battery controller. Shows actual measured values, not estimates.
Measures:
• Current in mA (ampere meter)
• Voltage in V
• Power in W (V × A)
• Temperature
• Protocols
🌟 WHY USERS LOVE IT
✅ Accurate measurements ✅ No ads or bloatware ✅ Simple to use ✅ Beautiful design ✅ Auto tracking ✅ No subscriptions ✅ Offline & private ✅ Lightweight ✅ No root needed
📱 COMPATIBLE
Works with most Android devices providing battery info. Supports Qualcomm Quick Charge, USB-PD, Adaptive Fast Charging.
⚙️ HOW IT WORKS
1. Open ChargerCheck
2. Plug charger
3. Wait 5-10 seconds
4. See power on gauge
5. Check stats
6. Compare in history
🎓 TIPS
• Use certified chargers
• Test cables - bad ones reduce speed
• Keep phone cool
• Check port for dust
• Compare to find optimal setup
🔐 PRIVACY
• No internet required
• No tracking
• No sign-up
• Data stays on device
• 100% private
Download ChargerCheck now! Test, measure, and optimize your charging with our professional charger tester and ampere meter app.
🔋 ChargerCheck - Every watt counts.

Recent changes:
🎉 ChargerCheck v1.4 - Accuracy Update

⚡ More accurate charging power on all phones
🔍 No estimated values: shows "Not reported" when your phone gives no data
🔋 Detects battery draining on weak chargers
🔌 Sessions recorded correctly even when Android shows "Not charging"
⏱️ Smarter time to full, charger capability and charge cycles (supported phones)
📱 Improved look on Android 16 and small screens

Thanks for your feedback! Perfect for testing chargers, cables, and power banks.