--- product_id: 65785075 title: "Battery Monitor Auto Car Motor 12V Battery Voltage Tester Free Mobile APP Real Time" brand: "ewelingk" price: "249.42 DT" currency: TND in_stock: true category: "E Welingk" url: https://www.desertcart.tn/products/65785075-battery-monitor-auto-car-motor-12v-battery-voltage-tester-free store_origin: TN region: Tunisia --- # Automatic cranking & charging system alerts Bluetooth 4.0 mobile app sync Real-time 12V battery monitoring Battery Monitor Auto Car Motor 12V Battery Voltage Tester Free Mobile APP Real Time **Brand:** ewelingk **Price:** 249.42 DT **Availability:** ✅ In Stock ## Summary > 🔋 Power up your drive with smart battery insights! ## Quick Answers - **What is this?** Battery Monitor Auto Car Motor 12V Battery Voltage Tester Free Mobile APP Real Time by ewelingk - **How much does it cost?** 249.42 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/65785075-battery-monitor-auto-car-motor-12v-battery-voltage-tester-free) ## Best For - ewelingk enthusiasts ## Why This Product - Trusted ewelingk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **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. ## Overview 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. ## Description Prodcut Description:Installed in the car battery Real-time Monitoring throughReceive notification of battery conditions when enter Bluetooth rangeAlert users if charge is lowCheck vehicle cranking system automatically while engine is startingCheck charging system (alternator)List the time of each drivingAlert mobile phone if some data abnormalShort-circuit and reverse connection protectionData stored in battery monitor up to 35 days if out of syncAutomatic synchronization when enter Bluetooth rangeCompatible with all 12-volt vehicle batteries Review historical data graphically Engine starting detect automaticallyData stored in battery monitor up to 35 days if out of syncProtection of short-circuit and reverse connectionFree app for both iOS & AndroidSpecification:Input Voltage: 6~20VAverage Current: 1mAOperating Temperature: -40ºC~90ºCPhysical Dimensions: 55mm*35mm*16mmVoltage Accuracy(9-16V): +/-0.03VShort-circuit Protection?Built inReverse Connection Protection: Built inBluetooth: 4.0Bluetooth Name: Battery MonitorApp Keyword: BM2Available: Android: 4.3 and later, IOS 7.1 and LaterSuitable for:DIY usersBattery service stationGarage/workshopTool storeVehicle/Battery manufacturerThe auction include:1 × Battery Monitor1 x User's Manual?? ## Features - This product is used to monitor the auto battery, cranking system and charging system. - After install it to the battery, the mobile can connect it via Bluetooth 4.0. - When some problems happen in battery, cranking and charging system, it can send notification alert to the user. - The user also can test and review the rip record via app. - Your car's battery manager ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B074ZCM6YC | | Best Sellers Rank | #1,028,678 in Automotive ( See Top 100 in Automotive ) #1,851 in Battery Chargers | | Brand Name | eWelingk | | Color | Black, Red | | 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 | | Part Number | SN-POW-ENY | | Power Source | Battery Powered | | Style Name | Modern | | UPC | 732140227732 | | Upper Temperature Rating | 90 Degrees Celsius | ## Product Details - **Brand:** eWelingk - **Color:** Black, Red - **Min. Operating Voltage:** 6 Volts - **Power Source:** Battery Powered - **Style:** Modern ## Images ![Battery Monitor Auto Car Motor 12V Battery Voltage Tester Free Mobile APP Real Time - Image 1](https://m.media-amazon.com/images/I/61zlF00UPBL.jpg) ## Questions & Answers **Q: do this come in a 48v version?** A: Hello, sorry, this item can only work with 12V battery. **Q: How many amps can this unit handle?** A: This isn’t to deal with current. This is measuring voltage. **Q: 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?** A: 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. **Q: does the unit constantly eminate bluetooth signal / electromagnetic radiation?** A: Yes, only about a 20ft radius , where did you come up with the radiation stuff ## Frequently Bought Together - Bluetooth Battery Monitor Auto Car Motor 12V Battery Voltage Tester Wireless Free Mobile APP Real Time - Sanuke 10pcs 1/0 AWG-3/8 Battery Lugs, UL Listed Heavy Duty Wire Lugs Ring Terminal 0 Guage terminals Battery Cable Ends/Terminal Connectors with 3:1 Heat Shrink Tubing - 10pcs 1 AWG-3/8" Battery Lugs,Copper Wire Lugs,UL Listed Heavy Duty Battery Cable Ends,Tubular Ring Terminals,AWG Crimp Wire Ring Lugs,Battery Terminal Connectors with 3:1 Heat Shrink Tubing --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/65785075-battery-monitor-auto-car-motor-12v-battery-voltage-tester-free](https://www.desertcart.tn/products/65785075-battery-monitor-auto-car-motor-12v-battery-voltage-tester-free) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-01*