do this come in a 48v version?

Hello, sorry, this item can only work with 12V battery.

How many amps can this unit handle?

This isn’t to deal with current. This is measuring voltage.

I already have one of these installed on my 2 rv house batteries, can i add another on my chassis battery and monitor it on the same phone?

There are 2 apps (iPhone) for monitoring. The free one only connects to one. I have three banks to monitor simultaneously so I gladly paid $10 for the 4 bank monitor app. I have a love / hate relationship with it. It could be awesome. The 24 hour graphs of voltage readings at 2 minute intervals are incredibly powerful in knowing how your banks are responding to loads and charging. I can count the number of times per hour my refrigerator or furnace kicks in, and see the effect of partly cloudy skies, and much much more. But instead I have to beat it into submission often by killing it and restarting it. The app is very amateurish, probably written by a junior programmer with little understanding of our needs and little guidance. I wish they could open source details about the meters and let the world make a better app.

does the unit constantly eminate bluetooth signal / electromagnetic radiation?

Yes, only about a 20ft radius , where did you come up with the radiation stuff

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Battery Monitor Auto Car Motor 12V Battery Voltage Tester Free Mobile APP Real Time

Product ID: 65785075

Details

Brand
eWelingk
Color
Black Red
Min. Operating Voltage
6 volts
Power Source
Battery
Style
Modern

⚡Automatic cranking & charging system alerts

📱Bluetooth 4.0 mobile app sync

🔋Real-time 12V battery monitoring

$78.51

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your drive with smart battery insights!

BUILT IN SAFETY YOU CAN RELY ON - Advanced short-circuit and reverse connection protection safeguard your vehicle’s electrical system.
COMPREHENSIVE SYSTEM DIAGNOSTICS - Automatically tests cranking and charging systems every engine start for total peace of mind.
STAY AHEAD WITH REAL TIME ALERTS - Instant notifications on battery health and charging issues keep you in control before problems escalate.
DATA YOU CAN TRUST STORED SMARTLY - Battery monitor stores up to 35 days of historical data, syncing automatically when in Bluetooth range.
SEAMLESS BLUETOOTH 4 0 CONNECTIVITY - Effortlessly sync your car’s battery data to your smartphone with a free app for iOS and Android.

The Battery Monitor Auto Car Motor 12V is a cutting-edge device that provides real-time monitoring of your vehicle’s battery, cranking, and charging systems via Bluetooth 4.0. Compatible with all 12V batteries, it sends instant alerts through a free mobile app, stores up to 35 days of data, and features built-in protections against short circuits and reverse connections—empowering proactive vehicle maintenance for savvy drivers.

Specifications

ASIN	B074ZCM6YC
Best Sellers Rank	#2,859,401 in Automotive ( See Top 100 in Automotive ) #3,953 in Battery Chargers
Brand Name	eWelingk
Color	Black, Red
Compatible Devices	Smartphone
Customer Reviews	4.0 4.0 out of 5 stars (32)
Manufacturer	Itead
Measurement Type	Voltmeter
Minimum Operating Voltage	6 volts
Model	SN-POW-ENY
Number of Items	1
Part Number	SN-POW-ENY
Power Source	Battery Powered
Style Name	Modern
UPC	732140227732
Upper Temperature Rating	90 °C

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