Equipment needed: multi-meter. The design of the test terminal allows both 9V and 1. (Recommended method). 5 - 8 ETR Radio & Clock 7 Load Leveling 4 Memory. Due to the increased electronics in a vehicle, having as much Reserve Capacity as possible is now more important than having the excessive CCA. BU-902a: How to Measure CCA. Not sure about your smoke alarm battery? Wondering about the mystery batteries in your kitchen drawer? Check them with a multitester to find out instantly if they still have juice. • Load test the battery to know if it is reliable If the battery is not fully charged: 1. A power test will load the batteries to determine battery internal resistance while the energy test will load the batteries to determine battery capacity. Device performs the load test and shows visually if your battery is good or NG (not good). 35 (6V) and 12. Performance load testing is used to determining a battery's ability to produce current. You know that because: You bought a new one thinking that was the solution to the problem. The DC load test combines the resistors into one measurement and ignores the capacitor. Conduct a "Load Test" on each battery to find the weak one(s). When the discharged battery reaches 10. Power probe testing device is a faster way know how to test a car battery. Battery recycle center near me 90503 rechargeable battery 75175 lead battery recycling toms river nj laptop battery gauge reset unfortunately car batteries should go kaput in harsh winter season weather. Significant high voltage transients can result from the car's charging system, particularly when subjected to intermittent high current loads. How to test a car battery with a digital multimeter. [The high resistance range is best - it sometimes has a high voltage battery for this range but this does not affect our testing] There are two things you must remember. 50 volts or higher while on load. 5 out of 5 stars 18 product ratings 18 product ratings - SALE! 12V Car Battery Load Tester Charging System Analyzer Diagnostic Scan Tool. Do I have to disconnect each battery at a time when I test it? Or can I leave it wired in when I put the voltmeter on it. To test the battery’s charge, put the voltmeter’s red lead on the positive battery terminal and its black lead on the negative battery terminal. (See BU-909: Battery Test Equipment. How to Use a Multimeter to Test Solar Panels If you own a solar energy generating system or are planning on purchasing either new or used solar panels, then you need to know how to use a multimeter to check the voltage of your solar panels. 5 volt AA battery. What are you using as your test load? If the battery indication (three LEDs on the CC) means what you suspect, the battery is nowhere near fully charged in the picture and should not be loaded down until you have charged it fully. If the test draws the CCA's way down and the voltage fails to build back up, the shop will place the battery on a timed charger to bring it back up. See the enclosed example how it displayed state of an old battery (after 2-3 cold nights car's engine didn't start). The display should show about 9 volts depending on the condition of the battery. If it's in the range, it's good. Reasons you need a ZTS Multi-Battery Tester™ Items (0) Total: $0. EXAMPLES OF PARASITIC LOADS Device Milliamp Draw Voltage Regulator 1 - 2 Digital Clock 3 - 4. The testers use a device with a resister in to make the battery work to measure the amps under load. I don't know first hand about Auto zone but most auto shops use a battery tester that has a 50 or 100 Amp load and indicates the voltage under this load. Switch the J 39200 from the 10A setting to the 2A setting. Step 2: Turn your multi-meter to the 20 V setting. Battery Capacity Test: Perform a battery load test to see if service or replacement is necessary. This simply requires you to switch on a combination of electrical features. How Can I Test a Golf Cart Battery Using a Load Tester? A load tester gives a more accurate result within a short period of time. There are some sure ways you can tell if your battery is bad by simply taking a good look. I took my car in for the free test and I’m going to tell you what to expect — plus let you know about a few other free services AutoZone offers that I learned about along the way! What to expect during an AutoZone battery test. When possible, individual cell specific gravity should be checked with a hydrometer. If this happens, charge the battery out of the car to confirm it is still good. A lot of car experts and automotive mechanics recommend to this regularly because it is a very simple test to do and you can do it for free. If your battery has a measured specific gravity of less than 1. The PCM may get reset and lose its programmed settings, when the battery power is disconnected. Then they do another load test. DC Load Setup. It is significantly lighter than nickel-cadmium, but is more difficult to package, much like a crate of eggs. Touch the tip of the red probe to the positive terminal (the smaller terminal) of a 9 volt battery and the black probe to the negative terminal (the larger one). Profession HV battery rebuilding companies test cells using a power test and an energy test. 2) Strip 2 Inches of the sheathing off of the wires. Although, there are many battery testers, one very accessible tool is the multimeter. This meter is housed in a steel case with a durable baked enamel finish and is. A fully charged 12-volt battery should read 12. The CCA is about 80% of the CA, indicating the battery is 20% less efficient at 0˚F. 95) (-inf%). 4A GUIDE TO LOW RESISTANCE TESTING A GUIDE TO LOW RESISTANCE TESTING 5 are exposed to acid vapors, causing further degradation. Step 3 Capacity test (aux battery) Connect a steady, moderate load and monitor voltage and current as the battery discharges. shortens battery life. What do you recommend to me to measure this kind of battery capacity in a reasonable time like 3-4 hours. If the battery's State-of-Charge is at 75% or higher or has a "good" built-in hydrometer indication, then you can load test a car battery by one of the following methods: With a battery load tester, apply a load equal to one half of the CCA rating of the battery for 15 seconds. How to load test. It is recommended only to attempt this procedure after proper hands-on training. " Connect the red sensor from the meter to Step 3. However, some vehicles' batteries are located in tough-to-service areas such as under the front fender, under the rear seat or in the trunk. Its also a great small business you can set up at virtually no cost! At Home Battery Business Opportunity, Home Based Battery Business Opportunity, Battery Maintenance, Battery Reconditioning, Battery Re-Energizing, Battery Charging and more from Battery Chem. An electronic battery test should be done, which gives more information than a standard load test. Power probe testing device is a faster way know how to test a car battery. This number is compared to a chart on the tester, based on CCA rating to determine battery condition. dead battery has been replaced when the real cause was a faulty charging system. Specially-trained staff use the latest testing equipment to indicate your battery's current state of health. The golf cart can draw as much as 300 A from the battery pack on a hard start. After my honda accord 2004 had its battery dead bought a new battery my car was ok but my radio wasn't working so i followed steps of getting the code by pressing the reset buttons 1 and 6 got the code entered it and radio was back on however the radio stays on for 2minutes and goes off even when i turn off the engine and turn it back on the. If you have a good battery, this is a great hack when you need to start a fire and you don't have a lighter. First I will cover how to load test with a load tester and then a test you can do without a load tester. If the battery's state-of-charge is at 75 percent or higher or has a "good" built-in hydrometer indication, then you can load test a car battery by one of the following methods: With a battery load tester, apply a load equal to one-half of the CCA rating of the battery for 15 seconds. 6V (28 modules * 7. It can test load, battery condition, starter motor draw, and offers complete charging system diagnosis. Q: My minivan has failed to start a couple of times recently, because of a low battery. The internal 9V battery allows testing of deeply discharged batteries. You should do a visual inspection of. 8 volts and perform a load test on it to check for a bad cell if your meter reads 10 volts or lower after load test replace the battery. The battery is good. Foxwell battery tester also has printing capabilities which is great if you need to print results at your repair shop. If the current is quite large, you may want to use the remote voltage sensing feature of the DC load. How do I know if the dealer is just trying to pull a fast one passed me?. 2 Plug-and-play design makes the battery analyzer very easy to use. Summary Of The On Car Starter Test. 12V Car Battery Voltage Chart. 5V batteries to be tested by holding the battery with one hand and pressing the load button with the other: A note of caution Please, unless you really know what you are doing, don't use this design to test high-current batteries (like car batteries). Many cheap battery testers are not able to perform a load test or a charging system test. A load test can only be performed if the battery is near or at full charge. Any battery tested should show under the load not less than 2/3 of full scale deflection ,meaning 1 Volt. (If you are in a bind you can use any bulb from your car and any tape will work) The steps are easy. Perform battery load test and proceed only if the battery tests good. This puts about a 100 amp load on your battery and depending on your battery's CCA (cold. Is there any way to really test a car battery so you can be sure it is still good? Even when it was so dead it would not even turn the engine over it was still showing 12. Metered a battery can be 12 v and yet under load drops off significantly. Ask your friend to stand where they can clearly see the headlights so they can observe how they behave as you try to start the car. This refers to the load discharged (in amps) that a battery can deliver in 30 seconds while maintaining a voltage of 1. Batteries can be modeled as a two-quadrant voltage source along with a series resistance (Fig. The device for performing a load test is available at most auto part stores. A more complete load test should be done to indicate battery perfor - mance under load and determine if the battery is damaged. Let the battery sit for 12 hours with no load, DO NOT load test at this time. 6 Volt to less than 11 Volt in a couple of minutes, the battery is weak. This is more easier way to test the car battery than voltmeter: To begin, drivers should remove the battery positive terminal cover. Turn on the headlights and ask a friend to stand in front of the car. Run the car for 9 to 18 holes before making the test. If the battery has a charge, the paper in the middle of the strip will burst into flame. The second method of testing a golf cart battery would be to use a load tester. Then turn the voltmeter selector switch to 8 volts for a 6-volt system, 16 volts for a 12-volt system, or 40 volts for a 24-volt. The testers use a device with a resister in to make the battery work to measure the amps under load. It depends on what you want to test (since you said "test"). If you need a new battery altogether, we offer a great selection of quality batteries at great prices. Many cheap battery testers are not able to perform a load test or a charging system test. Examine the label on the battery to ascertain the output voltage and then use a multimeter to check that the voltage reading is the same as that indicated on the battery label. Tests 6 and 12V batteries, alternators, regulators and starters up to 100A/1,000 cold-cranking amps. Battery Testing Equipment, Battery Analyzers, Electronic load, Battery Pack Assembling Equipment, UN38. Generally speaking, there are two different types of lead acid batteries, Starting and Deep Cycle. 1) Inspect the Battery. If the test draws the CCA's way down and the voltage fails to build back up, the shop will place the battery on a timed charger to bring it back up. No matter what you're driving, we have the right Carbon Pile Load Tester for your vehicle New and Used Automotive Parts and Accessories On Sale Car and Truck Repair Parts. 9A for one hour, 1. At no point does the engine actually drive the car -- it only supplies power to the battery. A few weeks ago, I had to replace the battery on my wife's car. You will need a voltmeter and a hydrometer to perform both of these tests. 95 and save ($34. A battery that has been fully charged, rested, and tests between 12 and 12. This allows golf cart batteries to go further between recharges. the load dump test based on ISO-7637-2 pulse 5. This battery is dead because current is getting in but there may be a short. We’ll recommend the best course of action based on the battery test, and replace your car battery only if required. I need to check a lithium ion battery with about 1700mAh capacity. Due to the increased electronics in a vehicle, having as much Reserve Capacity as possible is now more important than having the excessive CCA. Others follow the detailed instructions below. I went back to autozone and they used a machine that puts a load on the system and prints out a receipt that says it's good. In less than three minutes you can test the battery, starting and charging systems. Any way to load test a car battery without an actual load tester? Dealer told me my battery failed the load test. you check to see that the voltage drop with a current on it is not too much. TESTING A DIODE ON AN ANALOGUE METER Testing a diode with an Analogue Multimeter can be done on any of the resistance ranges. The battery is rated at 775 CCAs but on the test came out 830 CCAs and 12. If you are powering your project remotely, make sure to always test it with the battery. 6V (28 modules * 7. Testing a vehicle battery is simple, requiring a few basic tools Load testing a car battery. I am not a fan of battery load testers, I'm not a car enthusiast but it has been my experience that these testers do not draw the Amperage capable of even a small car thus NEVER accurate. There are different methods to test whether a Capacitor is functioning properly or not. 6 Volt to less than 11 Volt in a couple of minutes, the battery is weak. Battery Capacity - The electric output of a cell or battery on a service test delivered before the cell reaches a specified final electrical condition and may be expressed in ampere-hours, watt- hours, or similar units. One of the major perks that come with Marshall Batteries 24 hours Roadside Assistance is that you don’t have to pay membership costs. However, I do not think it is a good idea for the car engine to be running when doing so. The purpose of this how-to is to give you some ideas of how to build your own light bulb battery discharger. you can use ups battery 7amp but for a life of battery it should be charge and discharge with 10% of it ah rating. Specially-trained staff use the latest testing equipment to indicate your battery's current state of health. Battery Capacity - The electric output of a cell or battery on a service test delivered before the cell reaches a specified final electrical condition and may be expressed in ampere-hours, watt- hours, or similar units. Just make sure that you have easy access to it in order to correctly connect the wires. How can I make my car battery fail a battery test at auto zone? I keep having problems with my car battery when the weather starts getting cold. Does your electric cart need frequent charging or losses speed rather quickly? The problem could be a weak battery. To prevent being stuck on the road with a dead battery, enter that information in your owner's manual and have the battery replaced before it comes to the end of its life expectancy. How to Do a Battery Load Test Step 1. For our tests, we buy five units of each battery at multiple stores. This makes the best time to test your car’s battery shortly after you switch your vehicle on. The method of testing a battery that uses a multimeter is also known as Open Circuit Voltage Check. How to load test a car battery using load tester How to test a battery with an obd2 scan tool How to test cold cranking amps Car battery maintenance tips A car that cranks but doesn't start or no. You can bring your car to a NAPA AutoCare Center for a new battery or you can change it yourself. This tester applies an electrical load and simultaneously measures output voltage. Divide the battery reserve capacity by 4, this will be the parasitic drain number. How Can I Test a Golf Cart Battery Using a Load Tester? A load tester gives a more accurate result within a short period of time. While testing voltage I can also run a load test on each golf cart battery. If a starting battery is routinely deep cycled (discharged below 20%-50% of max capacity), it will generally fail after 30-150 cycles. The results tell you if the battery is charging properly. 5 amps with the front door open. i usually use 100 ohms or so (what ever is lying around near that value) to test batteries, a load on the battery means you are drawing some current from it. And we can sell them for a fraction of the price because we cut out the middleman and pass the savings on to you. VARTA® batteries power the “heart” of your vehicle, whether it’s for a Start-Stop system, conventional car, motorcycle, commercial vehicle, truck or fun sport vehicle. Eventually the battery wears out and can't hold a charge. 3 volts and I didn't have my receipt. The battery will need to be fully charged for proper engine starter testing. If it's the battery under test it is going to fail soon. While the drive cycle test is going, the engine computer runs a series of tests or "readiness monitors" to see if the emissions system is working properly. 4 Volt, the battery needs to be recharged. Often times the terminals are marked with the same colors. #1: Ensure. Load testers can determine voltage, and battery fluid testers often can measure both voltage and specific gravity. Scanning devices in warehouses may go as low as 60 percent and still provide a full day's work. This entry was posted on Sunday, August 11th, 2013 at 8:11 pm and is filed under Battery. Foxwell BT100 12 volt battery tester tool released by FoxWellTool is professional in check ing battery health and faults. So to check the battery output first, disconnect it from the car connections. 9A using an old headlight as a load. Because they have more trouble dissipating heat and outgassing, these gel cells should be charged slower than regular lead/acid batteries. Check the voltage reading on your screen. A multimeter set to the Resistance mode (Ω) can be used as an additional diode test or, as mentioned previously, if a multimeter does not include the Diode Test mode. 1V or 100mv. The Automotive Battery and Electric Vehicle Testing services available from Intertek enable you to know all the power and progress your products can provide to your customers. If you are adventurous, connect the inverter to your car battery to test it. LOAD TEST If the battery's State-of-Charge is at 75% or higher or has a “good” built-in hydrometer indication, then you can load test the battery by one of the following methods: 4. 6 volts measured at the battery posts, if OK load test battery to determine condition. This one does really good job and can simply show you when it's time to buy a new battery for your car. Advanced, yet easy to use, the Bosch BAT 110 Battery Tester offers the shop an affordable tester with features not found in carbon-pile battery testers. Profession HV battery rebuilding companies test cells using a power test and an energy test. Battery life and charge cycles vary by use and settings. Some testers are even able to do load testing. Reconnect the battery, and test with a load. This load tester takes the guesswork out of electrical diagnosis, making it easy to pinpoint charging system failures. Some battery companies label their battery with the amp load for testing. Load testing is used to verify that the battery can deliver its specified power when needed. These conditions result in a decrease in the surface-to-surface contact area with an associated increase in surface-to-surface contact resistance, ultimately causing excessive heating at the junction. reconnect your injectors and start the engine. If it does, the generator is working and charging the battery. Another way of testing a battery is the load test and we use a load tester for this one. It was a pretty urgent thing, as any load on the battery before it turned on meant there wasn't enough juice to have it turn over. Note that this isn't the "right" way to do this, but it's another clue to help you confirm or deny your battery's health. With the engine on: Step 1: Open your hood and so you have clear access to the car battery. 8 volts and perform a load test on it to check for a bad cell if your meter reads 10 volts or lower after load test replace the battery. The first test—the amperage battery drain test—is best suited for older vehicle models, 1990s and older, that come equipped with one or two computer modules. 6 V or above, it is considered healthy. If your vehicle is struggling to turn over, read: How Can You Tell if You Need a New Battery? Are extreme temperatures taking a toll on your car battery? Come by one of our Kal Tire locations for a free battery test. Re: how to load test battery if no load tester Take the cart to battery outlet have them load test them you can butt the cart against a tree and hit the pedal but its hard on the motor since you need to do 6 times and need to hold it there for 15 seconds on each battery. The starter on your car's health is directly related to how many amps it pulls from the battery. Testing Procedure. A load test will indicate any internal problems that may not be found by only testing the Specific Gravity of the battery. So, whether your car or truck is a Ford, a Chevrolet, a Nissan, a Mazda, a Dodge, a Chrysler, a Toyota or whatever, this starter bench test applies. Your car's blower motor is not only necessary for the operation of your air conditioner. A battery that's kept clean lasts longer than a cruddy one. Test your car battery life with our Virtual Battery Tester. Starting Battery Load Test: (cold cranking test) Next, you'll need to determine the cold cranking power that your battery is capable of. No appointment needed. Write it down. Some electronic load testers apply a 100 amp load for 10 seconds, and then display battery voltage. Next, connect the alligator clip of a conventional test light (not the newer LED style) to a nearby source of battery positive. CASE 2: If your multimeter registered a voltage that steadily dropped down to 9 Volts : This indicates that the alternator is NOT charging the battery. I know it sounds crazy but thats it. 3 testing equipment, Welding machine, Soldering machine, Shrinking machine Total solution for Portable Power since 1995. Using a voltmeter is a quick and dirty way to check the condition of a rechargeable battery. These can be found along major interstates, but not. Now you need to juggle. Similar to other devices, you do not need to take the battery out of the car to test the battery as the device is very much portable and testing can be done while the battery being used. A battery produces and stores energy for future use by a chemical reaction between two different metals. See SOC readings chart on the battery meter page. Important information: Price of battery does not include core charge. 2 Plug-and-play design makes the battery analyzer very easy to use. Discharged battery--verify battery voltage is at least 12. Positive output on your alternator and your positive battery terminal and also with other connections. Preventative Car Battery Maintenance. Apply this load for 5 seconds while monitoring the battery voltage. Because they have more trouble dissipating heat and outgassing, these gel cells should be charged slower than regular lead/acid batteries. The most common problem building a coilgun is finding a high-power electrolytic capacitor. It was a pretty urgent thing, as any load on the battery before it turned on meant there wasn't enough juice to have it turn over. 2) Strip 2 Inches of the sheathing off of the wires. A lawn tractor battery usually goes dead after sitting for a long period of time, but it can become dead after just a short time too. In my previous article about LEDs, I discussed the distinct details of the LED. Looking for used car dealers near you. You can do this by starting the engine and monitoring the voltage with a multimeter that has a Min/Max mode. The test is simple to perform and the testers are sold by some of the most trusted brands in the automotive industry. (See BU-909: Battery Test Equipment. Testing the battery state of charge with a voltmeter. Because it is an intermittent problem (on the order of once every couple of months), it's no surprise that mechanics find nothing when doing an overnight draw test. Connect the battery to a charger, and allow it to charge completely. Multilayer Transient Voltage Surge Suppressor (AUML) [4, 5] The new automotive multilayer (AUML) transient voltage suppressor is a voltage dependent, nonlinear device. The primarily purpose of a car battery is to start an engine, so the battery's performance (or ability to produce high current) is an important test. Battery Capacity Test: Perform a battery load test to see if service or replacement is necessary. How to Test a Car Battery with Battery Load Testing This method is used only when a car battery is 100% charged (a voltmeter should show the figures ranging from 12, to 12,9 V). DC Load Setup. If the current is quite large, you may want to use the remote voltage sensing feature of the DC load. You may have a car battery tester or a boat battery tester. When fully charged, the battery should be tested under load as well (check the voltage on the battery as you engage the starter. A Guide to Understanding Battery Specifications MIT Electric Vehicle Team, December 2008 A battery is a device that converts chemical energy into electrical energy and vice versa. It isn't as good as a load test, but it works for me. A multimeter set to the Resistance mode (Ω) can be used as an additional diode test or, as mentioned previously, if a multimeter does not include the Diode Test mode. 9A using an old headlight as a load. 1) Locate all the necessary items. In particular, pay attention to the battery's trouble spots, shown here. Modern vehicles demand the highest energy from your battery. A load test at 50 degrees should show a voltage of not less than 9. First, set your voltmeter to 20 DC volts. Now you need to juggle. Car Battery Tester - How to Test a Car Battery. The tester consists of a large resistor that has a resistance similar to a car's starter motor and a meter to read the battery's output voltage both in the unloaded and loaded state. Examine the battery label to determine its. Positive output on your alternator and your positive battery terminal and also with other connections. The testers use a device with a resister in to make the battery work to measure the amps under load. The amp load for testing should be recorded on the battery by the manufacturer. If the plates are exposed, add enough water to cover them. Over time, the internal metal parts of a battery corrode, reducing its ability to hold a charge. Your car's blower motor is not only necessary for the operation of your air conditioner. Observe the polarity as you make the connections. Just connect it to your battery and engage the switch. Should be about 12. Conduct a "Load Test" on each battery to find the weak one(s). This makes the best time to test your car’s battery shortly after you switch your vehicle on. Because it only requires a minimum of equipment, you'll be able to have safe and clean power wherever you need it. This means that they can theoretically provide a current of 2. Battery has limited recharge cycles and may eventually need to be replaced by an Apple authorized service provider. Depending on the exact location of the blower motor (on your specific 3. This battery is visually much different from the Nickel-Cadmium battery because the cell is a pressure vessel, which must contain over one thousand pounds per square inch (psi) of hydrogen gas. A complete of test battery with multimeter with example of testing car battery with digital and analog multi meter. It says "no-load" because the input resistance of the multimeter during the voltage measurement is very high, typically >1Mohm so the effect of current draw can be simply ignored. Specially-trained staff use the latest testing equipment to indicate your battery's current state of health. Does your electric cart need frequent charging or losses speed rather quickly? The problem could be a weak battery. Its an 03 Audi A4 1. (Recommended method). With newer cars with more control modules, usually you need to wait 30 minutes or so for the modules to turn off. 6 V or above, it is considered healthy. Trying to find a short in the system might sound like a job for a professional, but in this video you will learn how you can use an $8 test light to locate a shorts in your car's electrical system. This refers to the load discharged (in amps) that a battery can deliver in 30 seconds while maintaining a voltage of 1. No wonder batteries make good stick and wirefeed welders. Older batteries should be replaced due to age and wear. I took my car in for the free test and I’m going to tell you what to expect — plus let you know about a few other free services AutoZone offers that I learned about along the way! What to expect during an AutoZone battery test. With a battery load tester, you want to apply a load equal to one half of the cold cranking amps rating of the battery for 15 seconds, and then apply one half the vehicle's cold cranking amps specification for 15 seconds. Step 2: Turn your multi-meter to the 20 V setting. Does your electric cart need frequent charging or losses speed rather quickly? The problem could be a weak battery. If your battery has a measured specific gravity of less than 1. Repeat test twice to verify Ah reading. The other method was to remove the batteries, take them to a battery shop and have them load tested. Some testers are even able to do load testing. +++++ Carbon pile or nichrome load testing is part of the regimen I use to test batteries. It says "no-load" because the input resistance of the multimeter during the voltage measurement is very high, typically >1Mohm so the effect of current draw can be simply ignored. Listed is a typical example of a parasitic drain (load) for a General Motors Vehicle. Like any other thing, car battery is also subject to wear, and this usually results in its inability to complete a full charge. automotive electronic conﬁgurations which result in a variety of diverse load dumps. Here are some ways to test your battery, and determine if it's bad. 9A for one hour, 1. 5 V battery connected ,the meter is (with the trimpot ) adjusted to full scale deflection. Stop in for a complete electrical check. Testing your car battery is something that you can do at home. By directly setting the voltage and internal resistance,. In my previous article about LEDs, I discussed the distinct details of the LED. Breakdown under load. 00 (6V) and 14. I hope this helps people avoid wasting money on parts. The internal 9V battery allows testing of deeply discharged batteries. This battery is putting out 400 amps. Use a battery terminal tool to clean the battery posts and terminals. 8L equipped car, pick up or mini-van. Also a pain to do. Be sure that the charging system is functioning properly before you replace the battery. Time & time again we hear how different starting and deep cycle batteries are, and when comparing a true deep cycle product to a starting battery, there are.