Best search results for "car battery monitor"

List Price: $27.76

Sale Price: $19.13

You Save: $8.63 (31%)

1. Easily plugs into vehicle’s cigarette lighter or power receptacle to monitor battery and charging system voltage
2. Designed for 12-volt negative ground systems
3. LCD displays measured voltage with a bar graph to indicate battery charge level
4. Color-coded LEDs quickly identify battery’s charge status
5. Head pivots for easy viewing and angle adjustment

List Price: $49.99

Sale Price: $39.99

You Save: $10.00 (20%)

1. 【CAR BATTERY MONITOR】ANCEL BM300 bluetooth battery monitor is designed for all 12V batteries. It can do voltage test, charging test, cranking test and trip recording on your vehicles. And the car battery tester only use very little power from the battery. Simply have a check before you go out without hassles on the road.
2. 【12V DIGITAL BATTERY TESTER】With Bluetooth 4.0, the free app ANCEL Battery Charge Monitor 12V RV can connect with the battery in milliseconds. Moreover, the real-time notification will notify you when the battery is dropping with the accurate voltage readings, which you can check it on your phone conveniently.
3. 【VERSATILE BATTERY ANALYZER】 The battery load monitor BM300 is compatible with all 12V batteries, including regular flooded, AGM flat plate, AGM spiral, and GEL batteries for vehicles, forklifts, hybird cars, SUVs, Pickups, Boats, RVs, Motorcycles, travel Trailers, and even Solar Power Systems.
4. 【COMPACT & CONVENIENT】The 3.2 ounces upgraded version of Bluetooth voltmeter BM300 is very compact, which won’t take you much space. And you don’t have to press any annoying buttons to check the data. You just need to fix it to your battery, go back to your seat and check your phone.Please note that you should be within the range (33 feet).
5. 【SECURE CAR BATTERY TESTER】The reverse-polarity protection design and fireproof material can keep you safe and sound. The device will automatically monitor the vehicle's battery, cranking and charging systems, which can store up to 31 days of data. Now get one and monitor the battery health yourself! At the same time, it is also the perfect Valentine's Day Gift for your family and friends.
6. 【WARM TIP】When you download our ANCEL BM300 APP , you may receive a warning stating that the APP for this device contains malware, please ignore this message, our APP is very safe.

Sale Price: $25.99

1. 【Easy to Install】Make car battery tester connect with battery directly. It provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. Various Colored LED indicate the battery or the alternator status. The power consumption of the product is only 1.5mAh, which has little effect on the car battery. Note: Be sure to open the app first(Please add the device‘s serial number when you use it for the first time. You can scan it directly or enter it manually. The serial number is on the back and side of the device), and then connect the bluetooth in the app. Remember not to connect the bluetooth directly in the iOS or android system.
2. 【Automatic Reminder Function 】Battery tester 12v’s app will send the battery status to the phone notification bar when enter Bluetooth range.
3. 【Easy to Operate】Battery Monitor’s App is Battery Monitor BM2. Please scan machine backup or user manual scan code to download software. Connecting Bluetooth and open app, no code, you can know battery or battery load’s Condition and check charging and starting system, list time of each driving.
4. 【Safe and Reliable】-- Battery load tester tells you everything about the battery: voltage, charge,cranking power, Engine starting detect automatically, etc.
5. 【Compatibility】Battery Monitor is perfect for car battery tester and RV Battery Monitor,every day vehicle.Compatible with all 12-volt vehicle batteries; Voltage: 9-16V, Connect with battery directly, NO CODE, free app for iOS & Android users IOS: IOS 7.1 and later Available: Android 4.0 and later.

Sale Price: $15.99

1. · APPLICATION --- The battery testers can be used for testing battery voltage and capacity for electric motorcycle, motorcycle，golf cart, automotive , car, marine, RV, boat, etcThe products have obtained CE ROHS certification.
2. · APPLICABLE BATTERY --- SUPNOVA digital battery monitor is suitable for 8-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium battery, lead-acid battery, lithium iron phosphate battery. Default 12 volt lead acid battery .It has power- off memory function.
3. · PROTECTION --- the battery power detector comes with protective shell, dustproof waterproof surface; input reverse connection protection.The product had gotten the CE certification, ,it will not be heated even which is used for a long time(The voltage must be less than 100V)
4. · INSTALLATION --- red wire for the positive, black wire for the negative. The wires length are 39.37 inches .
5. · POWER-OFF MEMORY--The battery tester with power-off memory function, it can retain settings when power is removed

Sale Price: $18.04

1. MICTUNING [Exclusive] Switch-style Double Voltmeter, real time monitoring 2 battery packs of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine!
2. Super large input of up to DC 60V with Over-current, Over-volt and Short Circuit Protection, well protects the whole circuit, fits for most 12-24V Car Motorcycle ATV UTV RV Vehicles and Marine Boat
3. Built-in Red LED Digital Display, Scratch and Corrosion Resistant, Clearly shows you the current readings of working volts, easily notice your car voltage condition
4. Made of & flame retardant durable ABS plastic and full-sealed black matte surface cover, Dust-tight, Waterproof and Wear Resistant
5. Panel Flush Mount and Easy to Install, with drill size of 1. 46"x0. 83", universal fits to most factory reserved dashboard switch locations

List Price: $20.99

Sale Price: $16.99

You Save: $4.00 (19%)

1. 【Checking Your battery's and charging system (alternator) health】 Easily plugs into any DC 12 Volt cigarette lighter plugs,If you doubt your battery's health plug it in and get detailed readings.
2. 【LCD DISPLAY】 Shows the measured voltage with a bar graph to indicate batteries charging level
3. 【PIVOTING HEAD】Swivel head makes it easy to read. It also allows adjustment to avoid hitting with the shifter .
4. 【POCKET SIZE】The small size makes it handy and practical.
5. 【WARRANTY】- We stand behind all our TN TONNY products. We give 1 year GUARANTEE for our product

List Price: $19.99

Sale Price: $12.98

You Save: $7.01 (35%)

1. ADVANCED CHARGING TECHNOLOGY: Dual USB Ports pumps out 24W of power charge up to 4.8 amps or 2.4 amps per port. Easily charge your favorite mobile devices including the iPad (max speed), iPhone (max speed), iPod, HTC, Galaxy, Blackberry, MP3 Players, Digital Cameras, PDAs, and Mobile Phones.
2. LED DISPLAY - LED digital luminescence tubes; Monitor the voltage of the vehicle's car battery when not charging any devices. When charging a device, it cycles between device's charging current, and the voltage of the vehicle's car battery. The LEDs are bright enough to read the display without being a distraction while driving.
3. OVER-CHARGE PROTECTION – The mini USB car charger is auto power off when input/output is greater than safety current, protects against over-heat, over-current and over-charging
4. COMPACT DESIGN - One of the industry's smallest USB car chargers, featuring two USB ports and an LED Display make it easy to access after dark.
5. PACKAGE INCLUDES: 1 x Jebsens 4.8A Dual USB Car Charger with LED Display. (Charging Cable NOT included) 1 Year Guarantee provided by Manufacturer. Money Back Guarantee from JebsensDirect. Need a Car Mount? Check out the Jebsens New CD Slot Car Mount (ASIN: B01LWNB10F) - Enjoy hands free driving!

List Price: $9.99

Sale Price: $8.89

You Save: $1.10 (11%)

1. Measuring range: DC 8-48V,Accuracy: 0.1V. Widely used under DC 12V 24V with Blue LED Digital Display, Work great to Test Battery Voltage.
2. The 12 volt meter Is waterproof design. Mounts in a 1 1/8 inch hole in panels up, a nylon retaining nut holds the meter in place.
3. Digital Voltmeter Display: Precise 3-bit LED digital display, this 12v DC voltmeter real time monitoring of battery voltage, easy for you to know the status of the battery.
4. Application: The Voltmeter Gauge is widely used for Boat Marine Car Vehicle Motorcycle Truck ATV UTV Auto Camper Caravan and Etc.
5. After-sales commitment: DaierTek's voltmeter have a 2-year after-sales warranty. If you have any problems during use, please contact the seller for support.

Sale Price: $39.99

1. 🌞Faster Speed & Lower Consumption: LNEX bluetooth battery monitor communicates with your phone via BT 5.0 to send you notifications when you approach car. It'll help you prevent vehicle breakdowns due to power outages.As well as, our car battery tester can transfer data faster and more stable. Notably, its power consumption is reduced to minimal, almost nothing compared to all automotive battery testers.
2. 🌞Safe Protection & Abnormal Alarm:Our automotive battery tester owns safety technology including Short-circuit protection,reverse polarity protection, Protect you from wrong operation and keep your safety. As well, Our Wireless battery monitor can monitor batteries remotely, you can set battery level alarms so you know before killing your battery.
3. 🌞Bluetooth 5.0 Battery Monitor:With the Bluetooth 5.0 Technology, LNEX Battery monitor can transfer data up to 2 times the speed of the predecessor, Bluetooth 4.0, resulting in faster and longer distance connection.(Suits for IOS/Android)
4. 🌞Cranking & Charging System:LNEX 12V/24V battery tester can automatically monitor the battery and enable you to check the alternator's charging and Starter's cranking conditions with min voltage, cranking Time, and graphing voltages. voltage in high RPM, charging voltage ripple and charging system status.Also, you can keep a driving log of driving time and duration for auto record and store up to 30 days of data.
5. 🌞12V/24V Battery Monitor:Our digital car battery tester is compatible with all 12V/24V batteries, including regular flooded, AGM flat plate, AGM spiral, and GEL and EFB batteries for vehicles, forklifts, hybrid cars, SUVs, Pickups, Boats, RVs, Motorcycles, travel Trailers, and even solar power systems.

Sale Price: $13.99

1. MICTUNING [Exclusive] Round Double Voltmeter, real time monitoring 2 battery packs of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine!
2. Embedded in 3-bit Blue LED digital display, Clearly shows you the current precise readings of working volts, better helps you to early notice your car voltage condition
3. Super large input of up to DC 60V with Over-current, Over-volt and Short Circuit Protection, well protects the whole circuit, fits for most 12-24V Car Motorcycle ATV UTV RV Vehicles and Marine Boat
4. Made of Eco-friendly & flame retardant durable ABS plastic and good conductivity pins with black matte surface treatment, wear and tear resistant for long lasting durability
5. Panel Flush Mount and Easy to Install, drill size of 1.15" diameter, with Twist & Lock fastener for stable mounting, Fits to almost all panel locations you desired!

List Price: $20.99

Sale Price: $17.49

You Save: $3.50 (17%)

1. Applicable Battery Type --- DROK digital battery monitor is suitable for 10-100V (12v 24v 36v 48v 60v ) lithium battery, lead-acid battery, lithium iron phosphate battery, Ni MH battery.
2. Application --- Can be used as battery voltage meter, battery capacity tester and temperature indicator panel for car, marine, RV, boat, etc.
3. Temp Gauge in F. --- The temperature indicator can display in Fahrenheit.
4. The One You Want --- Easy to install and use. Allows you to program the percentage with a corresponding voltage.
5. Default --- 12 volt lead acid battery.

Sale Price: $19.23

1. 1.Battery Monitor Meter 9 in 1 Measurement Functions : One interface displays 9 kinds of measurement parameters at the same time, including Voltage(0-200V), Current(0-100A), Power(0-20000W), Impedance( 0-1000Ω), Internal Resistance(0-999mΩ), Capacity(0-1000AH), SOC, Energy Consumption(0-9999kWh) and Running Time(0-999h)
2. 2.Better Visual Experience : LCD HD display, 360° viewing without dead angle, with backlight function, it is clearly visible whatever day or night. Through battery monitor meter, you can better monitor the real-time data of your battery and use it with more peace of mind.
3. 3. No Screw Installation : LCD display digital current multimeter adopts the installation design of the push-on terminal, it is easy and convenient to install and remove the wires without the screws.（Pls read the instructions carefully and strictly follow the wiring diagram before installation.）
4. 4.Accurate Measurement : 100A DC battery monitor meter is controlled by a high precision chip,efficient and stable operation, safe and reliable welding process, measurement accuracy reaches 1%
5. 5.Wide Application : Battery monitor meter wildly used in the automobile, solar system, industrial assembly line, trailer,RV&boat ect.
6. 6.MNJ Motor provides you 30-Days Money Back/ Replacement and 24 months Warranty, Within 4 hours Response

List Price: $9.98

Sale Price: $8.98

You Save: $1.00 (10%)

1. ❤️【Quick Charge 3.0】QC3.0 USB port + USB 2.0 port + Type C port, multi port can satisafy different charging demand. QC 3.0 USB can reach 5V/3A max , 9V/2A max, 12V 1.5A max. USB 2.0 can reach 5V/2.4A max. Type C port can reach 5V/2A max. 3-port's total current can up to 5.4A, supply power up to 28W. ⚠️Attention: in order to achieve Quick Charge, charger cable/charger supply, charged device need to support QC3.0 too.
2. ❤️【Wide Compatibility】This PD car charger has 2 USB port and a USB C port, can charge for 3 devices at the same time. It can intelligent distribute charging current. It can support charging Galaxy S10/S9/S8 Plus /S7/S6/Note 8/NOTE 5, XS MAX/ XR/XS/X/8/8 Plus/7, Power Bank, MP3, Game Player, Camera, PSP, Drvie Recorder, etc. ⚠️Note: Type-C port do not support Sony, Google, Oneplus devices.
3. ❤️【LED Voltage Indicator】Adopt with intelligent voltage detect chip, this USB car charger can detect car's battery voltage in time, voltage will be showed by LED screen. ⚠️Attention: It will indicate output voltage during charging and indicate car battery voltage during not charging.
4. ❤️【12V-24V Car Compatible】This LED USB C car charger is suitable for different size charging port, intelligent for 12V-24V voltage, compatible for most of car model, such as samll car, truck, etc.
5. ❤️【Intelligent Distribute Charging Current】Adopt with intelligent chip, this QC 3.0 car charger can change charging current according to device's electricity saturation, no hurt to battery and more safe. It also have over-charge protection, over voltage protection, over current protectiom, over load protection, etc, protect car and mobile phone device's safety.

List Price: $11.89

Sale Price: $11.34

You Save: $0.55 (5%)

1. TRACK YOUR BATTERY: Connects to your vehicle’s battery to show the charge status 
2. DIGITAL DISPLAY: Digital display indicates electrical voltage of your battery  
3. SENDS ALERTS: LED warning lights alert you when battery needs charge or replacement   
4. CONVENIENT: Great for vehicles that are stored and out of use for an extended period 
5. EASY-TO-USE:  Just plug it into your vehicle’s 12V port and it tells you what you need to know 

List Price: $14.99

Sale Price: $13.99

You Save: $1.00 (7%)

1. · APPLICABLE BATTERY --- SUPNOVA digital battery monitor is suitable for 8-100V (12v 24v 36v 48v 60v 72v 84v) Ternary lithium battery, lead-acid battery,LiFeP04,AGM battery.Default 12 volt lead acid battery .The products have obtained CE&ROHS certification.
2. · APPLICATION --- The battery testers can be used for testing battery voltage and capacity for electric motorcycle, motorcycle，golf cart,automotive , car, marine, RV, boat, etc.
3. PROTECTION --- the battery power detector comes with protective shell, dustproof waterproof surface; input reverse connection protection.it will not be heated even which is used for a long time(The voltage must be less than 100V).
4. · INSTALLATION --- red wire for the positive, black wire for the negative. The wire is 39.37 inches .
5. · POWER-OFF MEMORY--The battery tester with power-off memory function, it can retain settings when power is removed

Sale Price: $29.99

1. 【SIMULTANEOUSLY MONITOR UP TO 4 OF 12V BATTERIES】 -- Download APP "BM2", you can monitor 1 of 12v batteries. If you have more batteries, please Download APP "BM3", you can simultaneously monitor up to 4 of these devices(APP BM2/FREE,APP BM3/ NOT FREE)
2. 【FREE APP FOR BOTH IOS & ANDROID】 -- IOS: iOS 7.1 and Later Available: Android 4.3 and Later
3. 【WIDER TEST RANGE】 -- Compatible with all 12-volt vehicle batteries,6-20V With Bluetooth 4.0.Small compact design, scan faster.Use fireproof and High Temperature-Resistant material
4. 【RECEIVE NOTIFICATION OF AUTOMATICALLY】 -- App will send the battery status to the phone notification bar when enter Bluetooth range
5. 【ANALYZE ANY 12V BATTERIES HEALTHY 】-- Tells you everything about the battery: voltage, charge,cranking power, Engine starting detect automatically, etc.