TONWON Car Battery Tester, Bluetooth Wireless Automotive 12V Battery Load Tester Charging System Diagnostic Analyzer Monitor for Android & iOS TW20
TONWON Car Battery Tester, Bluetooth Wireless Automotive 12V Battery Load Tester Charging System Diagnostic Analyzer Monitor for Android & iOS
TONWON TW20 : 12V Battery monitor TONWON TW20 is a kind of auto battery monitoring for all 12V car batteries, works via Bluetooth and mobile phone APP, to check the battery status and relative systems in the cars. TONWON TW20 Bluetooth 4.0 Battery Monitor Advanced Features List the time of each drivenReview historical data graphicallyEngine starting detect automaticallyAlert mobile phone if some data abnormalCompatible with all 12-volt vehicle batteriesCheck charging and cranking(alternator) systemsProtection of short-circuit and reverse connectionAutomatic synchronization when enter Bluetooth rangeCheck starting(cranking) system when each time engine started Read more How to use battery tester 1. Open the battery cover of the car, find the battery positive and negative. 2. Loose the screw positive and negative, install the red and black connector of the product to the positive and negative of the battery accordingly. Then firm the screw. 3. Press the App on your phone it should connect to the device. As it is Bluetooth 4.0, it needn’t to pair and can connect the auto battery monitor automatically. 4. Allow all permissions when run the app. 5. Review the function details. 6. If the top left come up red letter, please kindly press it to connect the Bluetooth 4.0 again. 7. System setup 8. Notification bar message Read more System Setup Notifications frequency can be setup at: 1/3/6/9/12/24 hours. Tip: please kindly keep both functions open--- Daily notification alert and test exception notification. Bluetooth device name can be changed. Firmware update via Bluetooth. Read more
- Extensive test range - Compatible with all 12-volt vehicle batteries.
- Powerful detection - Analyze any 12V batteries healthy, tells you everything about the battery: voltage, charge,cranking power, Engine starting detect automatically, etc.
- High quality selection of materials - Use fireproof and High Temperature-Resistant material.
- Compact design - The scanning speed is faster, and the test results can be displayed directly on the mobile phone, so that you can see at a glance.
- Timely reminder function - App will send the battery status to the phone notification bar, when you enter Bluetooth range.
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