It’s hard to know which is good 12 volt battery meter plug. There are alot of 12 volt battery meter plug reviews on internet. In this article we suggest top 10 the best 12 volt battery meter plug for you. Please read carefully and choose what is the best 12 volt battery meter plug for you.
Best 12 volt battery meter plug
1. LIHAN Dual USB Car Charger,Cigarette Lighter Voltage Meter,Compatible for Apple iPhone,iPad,Samsung Galaxy,LG,Google Nexus,Other USB Charging Devices, Black
FeatureDUAL USB CAR CHARGER :Powered by your car's DC outlet(cigarette lighter port).Total 3.1 A; allows charging of two devices at once. With 2 usb ports, you can conveniently charge iphone,Samsung,HTC,etc (1A), ipad,Tablets,etc (2.1A) at same time.
SMART OVER-CHARGE PROTECTION: Intelligent circuit design protects against short circuiting, overheat, overcurrent, and over charge.Charges mobile phone quickly and efficiently.And protect the safety of charging device.
BATTERY VOLTAGE METER:Display the voltage of vehicle's battery when no charging.Let you always monitoring the health of battery and peace of mind when drive.A flashing LED display indicates a potential vehicle voltage problem.
CURRENT DISPLAY:Display the total USB charging output while charging.It will change to display voltage after full charge.
COMPACT DESIGN FOR MORE PORTABILITY :Fits in the palm of your hand. The slim aluminum profile minimizes any obstruction while charging.Tech Specs DC input: 12V-24V / USB output: 5V 3.1A; 3.1A peak / car voltage warning / 2.3" x 1.4" x 1.4".One Year Warranty.
DescriptionDual USB Car Charger,LED Display for Vehicle Voltage and Charging Amperage
Dual USB ports allow you to charge two devices at once. With both 1A and 2.1A ports, you can conveniently charge Smartphones (1A), Tablets (2.1A) and other devices. Smart charging technology identifies your device to deliver optimum charging efficiency and protect against overcharging.
See If Your Car Has an Electrical System Voltage Problem
Voltage too low:Car won't catch fire,intermittent dead fire, insufficient lighting lights etc.
Voltage too high: Causes abnormal signal of the shift solenoid valve, engine instability, speaker doesn't ring and other issues.
Car battery voltage monitoring feature allows you always know the battery state of health, prolong car battery life.
How to use it :
1.Plus this car charging into car cigarette lighter hole, it will detects the car battery voltage automatically and shows on the screen.
For 12V car, voltage display of car battery under 11.5V or higher then 14.9V means a car battery issue.
For 24V car, voltage display of car battery under 23.1V or higher then 27.3V means a car battery issue.
High or Low voltage can indicate a battery issue. When charging a device, the amperage will be displayed to show how much power your device is drawing..
2.Connect your device to the car USB port charger by suitable cable, the screen of car charger will shows charging voltage 5V and then shows the charging current.
3.The input current will decrease until your devices battery is full, then the display will switch back to voltage display.
A subtle LED glow from the USB ports allows you to easily see where to plug in devices in low light.
Compatible for Apple iphone 4/4s,5/5s/5c,6/6 plus,6s/6s plus,7/7plus,ipod,ipad,Samsung / LG / HTC. Most of phone and tablet
1 x Dual USB Car Charger.(Charging Cable NOT included)
1 x Manual.
2. Jebsens 4.8A 24W Dual USB Car Charger Volt Meter Car Battery Monitor with LED Voltage & Amps Display, for iPhone 7 / 6s / Plus, iPad Pro / Air 2 / mini, Galaxy S7 / S6 / Edge / Plus, Note 5 / 4
FeatureADVANCED 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.
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.
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
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.
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!
- The JEBSENS 4.8A Dual USB Car Charger equiped with two USB output that allow you charge 2 devices together(iPhone and iPad).
- Compare to other product, this charger with a LCD screen to let you know the device's charging current and the voltage of vehicle's car battery. The LEDs are bright enough to read without being a distraction while driving.
Overcharge / Overheat Protection
The device auto powers off when input/output is higher than safety current. This ensures your devices protected against over-current and over-charging, safe charging while driving.
- Input: DC 12-24V - Output 1: 5V/2.4A - Output 2: 5V/2.4A
Almost all the kinds of the mobile device, such as iPhone 7, 7 Plus, 6S, iPad Air, Air 2, Mini 4, 6s, Samsung S6, S6 Edge,Nexus, HTC, LG, SONY, Motorola and others.
3. Palumma 24W/4.8A Dual USB Car Charger, 12V to USB Outlet with Cigarette Lighter Voltage Meter LED/LCD Display Battery Low Voltage Warning (Black)
FeatureSmart IC Adaptive Technology - Smart IC boosts up charging process at the max speed possibly up to 3.6A, detects and responses your devices providing optical output current with a constant rate
Safety On The Go - Soft LED lights help you locate the ports in darkness, also alarms flashing green lights for low voltage without being distracted on driving
Real-time Monitoring - Concise LCD screen displays vehical's operating voltage (12V/24V) or the total USB charging output (5V/3.6A Max) in real time, fully controlling the whole charging process
Rest Assured of Quality - Design with all-metal housing for long time usage, professional protection against short circuiting, over-heating, over-current and over-charging, Certified by CE, FCC, RoHS
Durable Reliability - Crafted of special fire proof material with anti-oxidative Zinc Alloy, compact design and all-metal housing facilliate a super solid structure, anti-static and fastens cooling frame
Input Voltage: DC 12-24V
Smart Output Voltage: 5V 3.6A
LED Bult Amount: 12 pieces
LCD Display Screen Dimension: 0.55 x 0.32 inch
Material: PC Fireproof + Alumium Alloy + Zinc Alloy
Overall Dimension ( L x W x H ): approx. 1.34 x 1.34 x 2.4 inch
1. The real-time voltage stage ( normally 12/24V ) of vehicle is displayed on the Mini LCD screen when you plug this charge adapter into the cigarette lighter socket,any irregularity with the voltage is instantly detected with a flickering GREEN light, alarming for maintainance on the vehicle battery.
2. The charge adapter features Soft eye-caring LED ambience light consisting of 12pcs energy-saving bulbs,It glows brightly enough to help you locate the ports in darkness or at night without being distracted.
3. Equipped with intelligent built-in IC system, the charge adapter,which is compatible with almost all USB-powered devices,would automatically indentify your devices and adapt suitable input current & voltage received from the vehicle so your devices would always be safely charged at the maxmized speed.
4.Buy with confidence and no worries, a worry-free 18-month warranty and friendly customer service would always be available if by any chance you are not fully satisfied with the product.
1. Not all devices support Quick Charge, some devices are not compatible with high currents. For the safety of mobile devices, the charger adapter automatically adjusts relatively low but steady currents,thus the actual charging speed might sometimes vary accordingly.
2.Original charging cables are recommended when you would like to have your devices charged up, only in this way could the charge adapter work as full capacity.
4. Innova 3721 Battery and Charging System Monitor
FeatureEasily plugs into vehicle's cigarette lighter or power receptacle to monitor battery and charging system voltage
Designed for 12-volt negative ground systems
LCD displays measured voltage with a bar graph to indicate battery charge level
Color-coded LEDs quickly identify battery's charge status
Head pivots for easy viewing and angle adjustment
DescriptionThe INNOVA Battery and Charging System Monitor displays the condition of your battery and charging system instantly. It protects the engine computer and 12-volt accessories from damaging surges when jump starting or recharging. Easily plugs into the vehicle's cigarette lighter or power receptacle to monitor battery and charging system voltage. The LCD screen displays the measured voltage with a bar graph to indicate battery charge level and the color-coded LEDs quickly identify the battery's charge status. The head pivots for easy viewing and angle adjustment.
5. LinkStyle Car Digital Voltmeter, Waterproof DC 12V LED Digital Display Voltmeter for Car Motorcycle Voltage Volt Meter Gauge
FeatureMini size with 3-digit LED Digital Display.
Intimate human design, Small and exquisite, Beautiful and generous.
Used to monitor the storage-battery voltage, with reverse connection protection. Timely grasp the state of your battery between full charged and discharged.
Widely used for cars, motorcycles, bikes, substation automation, distribution automation, test equipment, voltage regulator and so on.
Displays "LLL" when the voltage is lower than measuring range; displays "HHH" when the voltage is higher than the measuring range.
The car digital voltmeter has easy to read and connect to your 12 volt system. Mainly used to monitor the storage-battery voltage and know the running status of the voltmeter and also can be applied to measuring the voltage of other products.
Type: Car Digital Voltmeter
Display Type: 3 Digital LED Display
Display Color: Red/Blue/White
Voltage Measuring Range: DC 8V-16V
Input voltage: 12V
Accuracy: -(0.2%), +(0.2%)
Red Wire: Power Supply +
Black Wire: Power Supply -
1 x LED Digital Voltmeter
6. YONHAN Quick Charge 3.0 Dual USB Charger Socket, Waterproof Aluminum Power Outlet Fast Charge with LED Voltmeter & Wire Fuse DIY Kit for 12V/24V Car Boat Marine ATV Bus Truck and MoreYONHAN
FeatureALUMINUM ALLOY BODYHigh quality aluminum material let your USB power outlet more stylish and elegant. The advanced full aluminum alloy body with a scratch resistance technology, keeps it sturdy and protects it against drops and scratches and always looks like new.
QUICK CHARGE 3.0This QC 3.0 USB charger socket is designed with dual supporting QC 3.0 USB ports, charges 2 compatible devices simultaneously up to 4 times faster than conventional charging, backward-compatible with QC 2.0 &1.0, provides standard charging for non-Quick Charge devices.
VOLTMETER FUNCTIONComes with LED voltmeter which monitories the vehicle's battery and electrical system automatically and indicating the car voltage in the screen, YonHan dual USB charger socket will let you know the health of battery while driving. Battery between 14.8V to 13.4V is high when your car is on and moving. Battery between 12.8V to 12.2V is normal when your car parked and power off. Battery below 12V change the battery as soon as possible.
WIDE COMPATIBILITYFits for 12-24V car, boat, marine, motorcycle, ATV, RV etc. This 12V/24V power outlet is suitable for charging mobile phone, GPS, digital camera, PDA and other USB accessories.
ALL-ROUND PROTECTIONCertified by CE & ROHS with Over-load, Over-current and Short Circuit Protection to ensure charging safety, guard the safety of your devices.
DescriptionYonHan Quick Charge 3.0 Dual USB Charger Socket, Waterproof Aluminum Power Outlet Cigarette Lighter Adapter 36W Fast Charge with LED Voltmeter & DIY wire fuse kit for 12V/24V Car Boat Motorcycle ATV Bus Truck and More
QC 3.0 Dual USB Fast Charger
Smartphones, tablets and other accessories can charge much faster, and you can save time. The quick charge ports work with most cell phones, tablets, digital cameras, PDAs, PSP, MP3, MP4 and other USB devices.***Note: Some mobile phones do not support fast charging, such as the iPhone series. And they adapt for normal charging speed.
Smart IC Technology
With intelligent power IC, outputs stable current without fluctuation.
Input : DC 12V-24V
Output of each usb port : DC 3.6-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A
Product Dimension: 1.45 x 1.92 inches
Portiforium Dimension: 1.12 inches
Max Output: 36W(18W each)
1 * Dual USB Car Charger Adapter
1 * 23.7 Inches Wire with 10A Fuse
1. The voltage indicator ONLY works by connecting to the battery.
2. Since the iPhone series does not support fast charging, charging the iPhone is normal speed.
3. For mobile phones that support fast charging, you must use the original charging cable or fast charging cable to achieve fast charging.
12-month warranty and provide friendly, easy-to-reach support.
7. LiDiVi Dual USB Socket Charger 2.1A & 2.1A + LED Voltmeter + 12V Power Outlet+ ON-Off Toggle Switch, 4 in 1 Multifunction Panel for Car Boat Marine RV Truck Vehicle
FeatureDIY DESIGN MODEL-- This four-hole panel includes 2 USB charger socket (Output: DC 5V / 2.1A) + LED voltmeter (Display range: 6 - 24V) + 12V power outlet (Output: DC 12V) + ON-OFF Toggle Switch, they are interchangeable. You also can replace any port with additional USB outlets, or anything else that fits.
WIDE COMPATIBILITY-- Widely used for DC 9-24V car, truck, Motorcycle, RV, ATV, boat, Camper Vehicles, etc. Easy to install and convenient to use. The USB socket port fits for charging HTC, Galaxy, Blackberry, MP3 Players, Digital Cameras, PDAs, and Mobile Phones. LED digital display looks cool, especially in dark.
SAFETY DRIVING--The LED voltmeter shows 9-24V voltage when driving which can remind you whether the voltage is at a normal level, ensure driving safety. The cigarette lighter socket Works with any standard cigarette lighter plug or lockable marine plug.
OVER-CHARGE PROTECTION--CE & ROHS certified, display the current detected by the intelligent circuitry while charging. Intelligent circuit design protects against excessive current, overheating, and overcharging. Ensure the charging safety.
WORRY-FREE WARRANTYWith 12month manufacturer 100% money back guarantee. You are welcome to contact us if you have any questions or concerns. Our reliable customer service will reply within 24 hours, always.
DescriptionLiDiVi 4 in 1 Multi Function Panel, Dual USB Charger Socket 2.1A & 2.1A + Blue LED Voltmeter + 12V Power Outlet + ON-OFF Toggle Switch, Four Functions panel for Car Boat Marine RV Truck Camper Vehicles
Color: Black & Blue
Weight: 131g (4.6 ounce)
USB socket output: DC 5V / 4.2A
Power outlet: DC 12V
Voltmeter display range: 9 - 24V.
Voltmeter socket dimension: Approx. 28 * 16mm (Screw Diameter * Height)
Power socket dimension: Approx. 29 * 40mm (Screw Diameter * Height)
ON-OFF Toggle Switch: Approx. 29 * 18mm (Screw Diameter * Height)
USB socket dimension: Approx. 29 * 40mm (Screw Diameter * Height)
Four hole panel dimension: Approx. 104 * 87 * 5mm (L * W * H)
1 x 12V Cigarette Socket
1 x Blue Digital Voltmeter
1 x Double USB Power outlet Socket
1 x ON-OFF Toggle Switch
1 x Four Holes Panel
4 x Stainless Steel Screw
9 x Blue Terminal
60 days money-back and 12-month worry-free Guarantee!
Please feel free to contact us via e-mail regarding our products or service. Thanks a lot!
8. Car Charger, Fast Charge Metal Dual USB 4.8A Car Adapter LED Display Car Voltage Detector Flush Fit for iPhone X/8/7/6s/Plus, iPad Air 2/mini 3, Galaxy S9/S8/S7 Edge LG V10/V20 - Black
Feature[LED Voltage Display] Monitories the vehicle's battery and electrical system automatically and indicating the car voltage in the screen, you will know the health of battery while driving. Please pay attention when the voltage is under 12V. The upgrade display, with soft LED blue light without glare, would not interfere with your sight.
[Efficient Charging] Charge two devices simultaneously at full speed with 2.4A in each USB port. With a total voltage of 4.8A, the charging speed is up to 40% faster than conventional chargers and works with all USB-powered devices like iPhone 8/ 8 Plus/ X/ 7/ 6S, Samsung Galaxy S9/ S9+/ S8/ S8+/ S7, iPad, android tablets, power bank, video games controllers, sports watch, cameras, etc.
[Stylish and Elegant] The advanced full aluminum alloy body with a scratch resistance technology, keeps it sturdy and protects it against drops and scratches. High quality aluminum material let your car charger always looking like new.
[Safety Guarantee] Its CE, FCC & RoHS certifications and multiple protection against over-current, overcharging, overheating and high temperature will guard the safety of your devices.
[Worry-Free Warranty] With 12month manufacturer 100% money back guarantee. You are welcome to contact us if you have any questions or concerns. Our reliable customer service will reply within 24 hours, always.
Description4.8A car charger
9. CHGeek Dual USB Charger Socket Power Outlet Waterproof Marine 2.1A & 2.1A (4.2A) with Voltmeter LED Digital Display for 12V/24V Car RV Boat Motorcycle Mobile
FeatureWATERPROOF AND HIGH QUANTITYThis USB charger socket with IP66 waterproof grade, allows it do good job on boat! Adopted PA66 environment-friendly nylon material, high temperature resistant, low temperature resistant, also has anti-flame-retardant properties, makes it a high safety standard product.
DUAL USB CHARGER PORTSComes with dual 5V/2.1A charging ports, built-in smart charging IC, will auto detects your devices and simultaneously chargers 2 devices at optimal speed, better charging performance.
LED VOLTMETERHas a built-in LED digital display voltage monitor, monitors the health of your vehicle's battery and electrical system in real-time, and allows quick and easy usage in the dark or at night.
OVERCHARGE PROTECTIONThe cable built-in a 10A fuse for over-load protection, the USB socket meets CE/ROHS certification, charges safely, without risk of overheating or damaging devices.
BROAD COMPATIBILITYThis USB charger socket fits for 12-24V car, boat, marine, motorcycle, ATV, RV etc. Suitable for charging mobile phones, GPS, digital cameras, PDAs and other USB accessories.
DescriptionCHGeek Waterproof Dual USB Charger Socket
Bulit-in dual USB Fast Charging Technology. Two ports output 5V/2.1A&2.1A (total 4.2A), that's enough to charge two devices simultaneously!
Multifunctional Blue LED Display
It's a voltmeter, display the voltage of vehicle's battery. Let you always monitoring the health of battery and peace of mind when drive; It's a subtle blue light, allows you easy find the device in dark;Moreover, it also can check whether the connection is successful.
ChGeek USB Socket charger add a USB Cap specifically. You can not only reading the voltage but also keep the dust out when the cover down. Really a good companion for your Car, RV, Boat, Marine or Motorcycle.
Meets CE/ROHS certification, charges safely, without risk of overheating or damaging devices.
Waterproof & High Safety Standard Material
With IP66 waterproof grade, allows it do good job on boat! Adopted PA66 environment-friendly nylon material, high temperature resistant, low temperature resistant, also has anti-flame-retardant properties, makes it a high safety standard product.
Power Input: DC 12V-24V
USB Output Voltage: 5V
Output Current: 4.2A ( 2.1A&2.1A)
MAX Power: 21W
Product Dimension: 5.4cm x 3.7cm (2.12in x 1.46in)
Portiforium Dimension: 2.9cm (1.14in)
1* Dual Ports USB Charger
1* 23.7 Inches Wire with 10A fuse
2* Blue Terminal
1. The voltage reading will be visible only by connecting to the battery
2. The voltage also can be read when the cover is engaged
3. This USB charger socket does not support Qualcomm quick charge
60 days money-back and 12-month worry-free Guarantee!
10. Icstation DC 5-30V Lead Acid Battery Tester 12V 24V LCD Digital Battery Voltage Capacity Monitor Panel Gauge Lithium Battery Status Indicator Universal Car Vehicle Auto Electric Quantity Detect
FeatureIcstation battery meter can not only test the battery capacity percentage, but also the voltage value. This battery monitor can tolerate widest working voltage range (DC 5-30V).
LCD battery capacity tester is suitable for 12V/24V/36V/48V/60V lead acid battery and 2-7 series lithium ion battery, meet your various application.
Auto battery tester owns a high quality and clear LCD display, super bright backlight, check the battery status accurately and timely; one key touch button control the backlight and switch the capacity or voltage display.
Simple wiring: Red wire, Battery +; Black wire, Battery -; White plug, the interface of the monitor, please pay attention to the direction of the interface.
Voltage and capacity percent meter can be applied to mobile and portable equipment (in addition to smartphones and PCs), e-bike, balance cars, cleaning machines, instruments, ups and so on.
Icstation DC 5-30V lead acid 12V 24V lithium battery status indicator, itself does not contain any battery.
1. Working voltage: Min 5 V, Max 30 V;
2. Working dissipation: 8 mA, Max 10 mA;
3. Sleep dissipation: 15 uA;
4. Voltage accuracy: 3.0%;
5. Capacity accuracy: 3.0%;
6. Backlight on current: 40 mA, Max 50 mA ;
7. Backlight off current: 30 mA, Max 40 mA ;
8. Temperature range: 0 - 35 ;
9. Size: 573012 mm, Weight: 23g;
1, When turn off, hold on the "K-" key on the back and power on. It displays the present specification. Use "K+" and "K-" keys to adjust specifications, select suitable specification you need, then press the "OK" key on the front. It will be work normally, correspond code as below:
(1) Lithium-ion: 2 cells, Code: Li2; Lead-acid: 12 VPb, Code: Pb1.
(2) Lithium-ion: 3 cells, Code: Li3; Lead-acid: 24 VPb, Code: Pb2.
2, Press the "K+" key on the back to enter function setting mode. It has two functions: F0 and F2. Use the "K+" key on the back to select F0 and F2. Then press the "OK" key on the front, the selected function will run. The default function is F2.
F0Backlight on: it runs all the time, LCD and backlight always on.
F2Dormancy: it enters a dormancy state (<15uA) after display 10s, LCD and backlight turn off. Press the "OK" key, LCD and backlight turn on 10s.
3, Press the "K-" key on the back to enter display setting. It has three kinds of display mode. Use the "K-" key on the back to change the display mode. Then press the "OK" key on the front, the selected mode will run.
Voltage and percentage display: It can display the current voltage or the current percentage of capacity. Press the "OK"key on the front can change the display content.
Voltage display: only display the current voltage.
Percentage display:only display the current percentage of capacity.