★Much wide test range - Compatible with all 12-volt vehicle batteries.
★Analyze all 12V batteries status such as: voltage, charge, starter, engine start detects automatically, etc.
★Use fireproof and high temperature resistant material.
★Small Compact Design - You can scan faster data and view test results right on your phone.
★The app sends the battery status to the notification bar of the phone when entering the Bluetooth section.

Product information
Vgate Battery Asst 12V Bluetooth Diagnostic Analyzer Monitor for Android & iOS Device
Vgate battery asst is a kind of car battery monitor for all 12V car batteries, works via Bluetooth and mobile phone APP to check the battery status and relative systems in the cars.

Vgate Battery Asst Ble 4.0 Battery Monitor Advanced Features:

Compatible with all 12V vehicle batteries and installed in the car battery Real-time monitoring via mobile phone app.
Check the starting system (cranking) at each engine start and check the starting voltage every hundredths of a second when the engine starts
Engine start is automatically detected and check the charging and starting systems (alternator)
Receive battery condition notification when you enter bluetooth range and notify mobile phone when some data is abnormal
View short circuit and reverse connection protection and voltage and charge information. When the user is close to the vehicle, the app does not need to be opened
Automatically syncs when entering Bluetooth range and data stored in battery monitor for up to 35 days if out of sync.
List the time of each trip and check historical data graphically.
How to use battery tester:
1.Open the car battery cover, find the battery positive and negative.

2.Screw the screw positive and negative, install the product's red and black connector to the positive and negative pole of the battery accordingly. Then tighten the screw.

3.Press the app on your phone, it should connect to the device. As it is Bluetooth (4.0), it does not need to pair and connect the automatic battery monitor automatically.

4.Release all permissions while running the app(Battery-Asst)

5. Check the feature details

6. When a red letter appears on the top left, please press to reconnect the Ble 4.0.

7. System configuration

8. Notification bar message