For RVers determining voltages and battery charge state is a common problem. This unit will help you solve your problems or provide information to people trying to help.
12V Car Battery Monitor Via blue-tooth 4.0 Voltage Meter Tester W/ Auto Alarm BM2
Name: Battery Monitor
App Keyword: BM2
Average Current: 1 mA
Voltage Accuracy: ±0.02V
Input Voltage: 6~20V
Operating Temperature: -40℃~85℃
Physical Dimensions: 5.5 x 3.5 x 1.5 cm
Short-circuit Protection: Built-in
Reverse Connection Protection: Built-in
Support: All 12V Car Battery
Available: Android 4.3 and Later
IOS: IOS 7.1 and Later
For iPhone: 4s and Later
For iPad: For iPad 3 and Later
●Engine starting detect automatically.
●Compatible with all 12-volt vehicle batteries.
●Check charging and cranking(alternator) systems.
●Protection of short-circuiting and reverse connection.
●Receive notification of battery conditions when entering the blue-tooth range.
●Show voltage & charge info. when the user is close to the vehicle, no need to open the app.
●When close to the car, the mobile will receive all this information automatically.
●Installed in the car battery Real-time Monitoring Through Mobile Phone APP(Free app for both iOS & Android).
●Automatic synchronization when enter blue-tooth range.1）Data stored in battery monitor up to 35 days if out of sync.2)Alert mobile phone if some data abnormal.
●Check the starting(cranking) system when each time engine started. Check starting voltage each hundredth of a second when the engine is starting. Review historical data graphically.
1.Alert users if the charge is low.
2.Review charge history in graph mode.
3.Show the state of charge of a battery in real-time.
4.Near-Filed Perception to get notification automatically.
1 x 12V Car Battery Monitor Tester
DIY Supplies: Electrical
Model Number: 1
AC Current: 6-20V
Measuring Inductance Range: 6~20V
Display Type: Digital Display
DC Current: 1MA
Dimensions: 5.5 x 3.5 x 1.5 cm
Operating Temperature: -40~85