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Car battery gauges - Gauges




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Car battery gauges - Bookshelf


290 pages

Popular Science

1946-03

Automotive-type ammeters usually consist of a permanent magnet, a needle attached to a pivoted soft-iron vane, and a Gauge Drawings by STEWART ROUSE. FUOA- DASHBOARD UNIT __ BATTERY Oix IGNITION -=• IGNITiOl SWITCH BALANCING-COiL TYPE ...

About this book
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.



242 pages

Popular Science

1941-05

A screw driver is the only tool needed to install the adjustable spokes on the old steering-wheel spokes Magnetic Gauge Measures Thickness of Car Enamel ENAMEL thickness — an important criterion of its durability — is measured quickly ...

About this book
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.



288 pages

The Outboard Boater's Handbook, Advanced Seamanship and Practical Skills

Creator: David R. Getchell | 1994-01-01

Batteries for electric motors are a different breed from those used in cars. While a car battery will not damage an electric outboard, ... You can also buy battery gauges that will tell you how much charge is left in your battery.

Publisher: International Marine/Ragged Mountain Press

About this book
This comprehensive manual shows you how to go places and do things you never thought possible in a small outboard motorboat. A well-designed ruggedly built 17-footer, for instance, can fish offshore, circumnavigate Lake Superior, and crisscross the continent on inland waterways or on a trailer pulled by the family car. Small outboards are among the most versatile boats ever developed and are far more able than you might expect. Covered here are all the popular types--and some exciting alternatives as well as methods that may change your entire boating outlook.Aided by contributions from other experts, veteran outboard skipper David R. Getchell, Sr., offers a wealth of useful facts and special savvy that reveal for the first time in a single book the true potential of these democratic boats 20 feet and under. Here are the means to understand what can be done, and the way to do it safely, including: how to judge a boat's potential and capabilities based on design and construction; how to rebuild an older boat; how to handle a little boat in big seas, surf, or shallow water; how to navigate; how to read the weather; how to head upriver or offshore; how to trailer your boat; how to manage and equip it for camp cruising on a nearby lake or for subarctic exploration; and how to care for the boat and motor.



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Editor's picks

  • INNOVA

    INNOVA 3721 Battery and Charging System Monitor

    Automotive Parts and Accessories (INNOVA)

    Rating (554 reviews):
    (4.6/5)
    INNOVA

    Great value, good product

    0 5/5 H. Wang "jwangamazon" (San Jose, CA) - See all my reviews, July 31, 2007

    12 Volt battery Monitor

    Seemingly just another auto gadget fortunately the Equus 3721 is more sophisticated than its ponderous description. A breeze to connect to any car's 12 Volt electrical system. Simply push into the lighter socket or an auxiliary power outlet now found in many newer vehicles. With the engine running the instrument constantly displays battery condition with an LED light; amber when marginal, red if the battery is discharging. A green light indicates a correctly functioning electrical system. All is well with both battery and, most importantly, the alternator. The Equus is also an accurate voltmeter. Digital read-outs give exact voltage in the electrical system. Potential alternator problems or a failing battery will be indicated by below normal voltages, plus an amber or red light. Extra information is a battery icon graphically showing total battery charge. Tending towards erratic read-outs, and therefore unreliability, it is not the unit's best feature... 4/5 J. B. Syrett "Barry Syrett" (Gig Harbor, WA USA) - See all my reviews, April 16, 2008

    VERY GOOD FOR SUCH A LOW PRICE

    The Honda 2005 civic has a marginal charging system. This meter is ideal for determining when it is time to turn off the radio to reduce load on the alternator. Voltage reading is very accurate, much better than 1% as measured against a small Beckman pocket meter, which in turn has been checked against a Powerex Wizard aa cell charger. Warning lights function well.Some things to note when using this tester: Standard voltage of a 12 volt battery is 12.6 volts. Some deep cycle absorbed glass mat batteries will read 12.8. This is after loading the battery by turning on the headlights for 10 seconds, to remove surface charge. Note that while the lights are on, the voltage drops quickly at first, then the voltage stabilizes. Turning off the lights causes the voltage to rise again gradually. After a few minutes the voltage will stop rising. If the voltage settles at 12.6 (or 12.8 for AGM battery) battery is charged, assuming that the battery is near 68 degrees F. Lower... 5/5 Jesse Knight (woburn ma usa) - See all my reviews, November 10, 2010
    List Price: $25.57
    Price: $13.95
    You Save: $11.62 (45%)
    Color-coded LEDs quickly identify battery's charge status
    LCD displays measured voltage with a bar graph to indicate battery charge level
    Head pivots for easy viewing and angle adjustment
    Easily plugs into vehicle's cigarette lighter or power receptacle to monitor battery and charging system voltage
    Designed for 12-volt negative ground systems


  • RAD Cycle Products

    12 VOLT ELECTRIC AIR PUMP w/GAUGE for Tires Bikes Cars Air Matresses

    Sports (RAD Cycle Products)
    List Price: $79.95

    Inflates 1 tire in only 90 seconds
    Extra long 12 volt cigarette lighter adapter plug
    Accurate and highly visible gauge
    Comes with air hose that is over 6 feet
    Waterproof motor


  • Digital car Voltmeter+USB Charger

    DROK Cigarette Lighter Plug Digital 12V/24V Voltage Gauge Auto 5V/2A Car Usb Charger For IPhone/IPod/IPad

    Home Improvement (Digital car Voltmeter+USB Charger)

    Power mode: cigarette lighter style; USB Output: DC 5.0-5.1V;0-2.1A
    Function 1: car battery voltage monitoring,for 12V cars, SUV, 24V trucks, buses.
    Applicable Type: Support Apple/Android, suitable for IPhone/Ipad/Ipod
    Voltage measuring range: DC 8-40V ( DC12V/24V Universal )
    Function 2: USB charger, for the charger of 0-2.1A cell phones, digital cameras, tablet pc and etc.


  • ProPower Emergency Supply, LLC

    PRO36FRC 36 Volt Battery Gauge, Status Indicator w/relay output - Golf Cart

    Sports (ProPower Emergency Supply, LLC)

    * Displays Green LED when battery is in usable charge state
    * Warns when 20% of charge is left - Indicator displays Yellow
    * Must be connected during charging cycle
    Check compatibility before ordering. See Description below.
    * Red/Yellow flashing LED at 10% remaining charge


  • DB Research L.L.P.

    DB Link BTP2 Positive Battery Terminal

    Car Audio or Theater (DB Research L.L.P.)
    List Price: $14.99
    Price: $5.12
    You Save: $9.87 (66%)

    Platinum/Gold-Plated
    Platinum and Gold construction for excellent signal transfer and great design
    Positive Battery Terminal
    Gold Screws terminals hold cables securely in place
    Fast and easy installation
    4-,8-,10-Gauge Input
    Virtual Axis¿ Technology Provides Effortless Tilt Motion


  • Digital Waterproof Voltmeter

    DROK Waterproof Monitor 12 Volt Battery Meter 3.0-30V DC Auto Gauge Small Digital Voltmeter Blue LED

    Home Improvement (Digital Waterproof Voltmeter)

    Rating (7 reviews):
    (4.0/5)
    Digital Waterproof Voltmeter

    Very good....not great.

    0 4/5 RLC - See all my reviews Verified Purchase(What's this?) This review is from: DROK Waterproof Monitor 12 Volt Battery Meter 3.0-30V DC Auto Gauge Small Digital Voltmeter Blue LED (Misc.) I purchased two and they will work for the intended tasks.Needed a meter to monitor a 6v car battery during Winter storage.Also a meter needed to make sure boat battery was being charged while underway.Read-out is bright and easy to read. Small footprint, gauge is easily hidden, although the retainer clips on the ends are very stiff and difficult to secure if gauge being mounted on a dash or panel.Accurate within .1-.2v checked against Fluke meter. Proper retainers would have gotten 5 stars. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , November 1, 2013

    Ghost Numbers when not in use.

    0 3/5 DryFlyMaine - See all my reviews Verified Purchase(What's this?) This review is from: DROK Waterproof Monitor 12 Volt Battery Meter 3.0-30V DC Auto Gauge Small Digital Voltmeter Blue LED (Misc.) The display does appear to have numbers printed on the surface when not in use...gives a ghost digital 8. It doesn't bother me much but those that like a really clean look might not be happy with that. I used it to monitor my vintage camper's solar system/batts. It is accurate. It is well made. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , March 18, 2014

    Very good volt meter

    0 4/5 B. Simmers (SF Bay Area, CA USA) - See all my reviews, January 13, 2014
    Measure range: DC 3.0-30.0V
    Display Color: Blue
    Permissible Error: 1% (+ / - 1 digit)
    Display: three 0.40" LED digital tube
    Dimensions: 50 x 30 x 27mm


  • Digital Car Voltmeter

    DROK 2-wire Car 0.56" DC 3-30V 12/24V Green LED Small Digital Voltmeter Panel Volt Meter Voltage Gauge

    Lighting (Digital Car Voltmeter)

    Display: Three 0.56" digital LED Tube
    Measurement precision:0.01V(3-10V); 0.1V (10-30V)
    Measure voltage: DC 3-30V (two wires Access)
    Operating temperature: -10°c to 65°c
    Display color: Green


  • Sain Store

    SainSpeed 7045V Compact 3-in-1 Car Computer with Icy Alert, LCD Backlight Display

    Car Audio or Theater (Sain Store)
    List Price: $16.50
    Price: $7.34
    You Save: $9.16 (56%)

    LED indicator flash light and warns of icy road conditions
    3 in 1: Car Thermometer + Car Digital Alarm Clock + Lead-Acid Battery Monitor
    Temperature can be selected in C/F with range of -50C - 70C / -58F -158F
    Date/Second and Time/Date Display, available in 12/24 standard display
    Sampling interval of temperature is 20s to show accruate value.


  • Digital Car Time/Clock Gauge

    DROK 0.56" Green LED Sign Electronic Digital Clock Display 4 Digits Car Vehicles 12V/24V Battery Operated

    CE (Digital Car Time/Clock Gauge)

    Power Supply: DC 7-30V
    Time Setting: Single button, sliding scale
    Refresh Rate: About 300mS
    Display: Four 0.56 "LED digital tube
    Time Mode: 24-hour


  • Stinger

    Stinger Digital Voltage Meter with USB Charger

    Car Audio or Theater (Stinger)

    Rating (32 reviews):
    (4.7/5)
    Stinger

    Great Vehicle Accessory

    0 5/5 Blue Ghost - See all my reviews Verified Purchase(What's this?) This review is from: Stinger Digital Voltage Meter with USB Charger (Electronics) I rated this produce five stars because since I purchased it I have not had one problem with it. it works every time I plug it into the auto outlet and it's simple to read at a glance even at night. My purpose for purchasing this item was to have another gauge to make sure my battery was being charged at the correct level and to verify the vehicle gauge was operating correctly. Since my vehicle came without a USB charger, this extra feature is a plus. During several extreme temperature drop here in the northern plains, I accidentally left the Stinger inside the vehicle. Expecting the item to failed under such extreme condition, I was surprised to see that it passed the 20-30 below zero (F) test. I may purchase another one and give it as a gift this next Christmas. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , May 20, 2013

    Good, not great

    0 4/5 mikey - See all my reviews This review is from: Stinger Digital Voltage Meter with USB Charger (Electronics) The good: such low current draw you can leave it always plugged in if you have an older-style power socket that's on all the time. I left it plugged in and haven't started my car in 3 days, still holding onto some surface charge at 12.7v. And the 1000 milliamp usb charger is great.The bad: I guess since it draws so little, it does not give out the readings very fast. When I crank my car sometimes I can see the <11v, sometimes it completely misses that and goes from ~12.6 straight to ~14.4. For listening to loud music where bass notes can last for 1/10 of a second, this is not your voltmeter.5 stars for monitoring your battery and charging system, 3 stars for using it to check voltage drop from a high power audio system. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , May 4, 2013

    Just what I needed

    0 4/5 Mark Ahn - See all my reviews Verified Purchase(What's this?) This review is from: Stinger Digital Voltage Meter with USB Charger (Electronics) Works as advertised and the usb connector works great to charge my phone or gps. Now if it had 2 usb slots.... 0 Help other customers find the most helpful reviews  Was this review helpful to you? , April 6, 2014
    List Price: $39.95
    Price: $15.25
    You Save: $24.70 (62%)
    USB Charger
    High Visibility LED Voltage Meter
    Monitor Battery Performance
    Charges most smart phones and other accesories
    12 Volt Plug / Cigarette Lighter / Plug And Play


Gauges