For some reason you can ruin these with a regular charger. Good smart chargers cost more and will do it all... Jack is right. The Battery Tender Plus High Efficiency model was designed to replace the original Battery Tender Plus in the California market. The Yuasa 1.5, the AccuMate, and the Schumacher all performed very well in these tests. The battery eventually reached 13.88 volts and went no higher. To view the performance of these units while charging, we used a digital storage oscilloscope sampling at five million samples per second and capable of displaying “events” as short as two millionths of a second in duration. It then cut back its output and gradually brought the battery back up to float voltage. The CTEK MXS 5.0 and the Battery Tender 5.0 Amp caught my eye. The fully automatic Battery Tender 1.25 Amp battery charger and maintainer is a top-of-the-line 12V battery charger, perfect for motorcycles, ATVs, dirt bikes and other powersports vehicles. They were observed to perform extremely close to their manufacturer’s specifications. In this case, try a 'dumb charger'...like the old ones we used to use...set it for 2 amps (on a motorcycle battery)...and let it work for several hours..about 6 hours should be enough. Also has desulfating cycle which breaks up the crud that starts to form in your battery and will kill it. Reply • Ratted article 5 • January 21, 2020 at 11:55 am Ivan Uriegas Hello, I bought a 12v 22ah VRLA battery (to run a 12v 13a water pump), I also bought a smart charger (a Motopower 12v 2a) to charge/maintain it. Its manufacturer claims it will charge at 1.2 amps constant current until the battery reaches 14.3 volts. I'm kind of thinking I like the wet battery technology better based on this charging issue. As a fifth and final stage, this unit claims to shut down, then re-start the charging process every 28 days. They all achieved gassing voltage and then some. Funny thing about all this is that I'm still looking for that bike that meet or lives up to the 88 venture I been riding for the last 20 years. By Most batteries that become useless over the winter suffer at the hands of well-intended owners who simply forget how long ago it was that they last shoveled their way out to the garage to monitor their battery charger. Suggested price for the Yuasa 900 is $41.95. Then the units are supposed to switch to what’s called an absorption mode in which the battery can soak up the last bit of charge at a natural absorption rate that won’t result in excess gassing or heat. I have a charger that does all this as needed. It can be but not necessarily. I checked the bike and it was putting out 13.68 or something volts. Current pulses peaked at 4.4 amps during charge and ranged from zero to 2.2 amps during float. I would stay away from "float" chargers. Sears will be adding the product to their line this fall under the Die Hard banner (model 71220) for $29.99. Most motorcycles aren’t used daily, and disuse and/or seasonal storage present problems not encountered by the automobile owner. Find helpful customer reviews and review ratings for Battery Tender 4 Amp Battery Charger and Maintainer: Switchable 6V / 12V, Automotive Battery Charger and Maintainer for Cars, Trucks, and SUVs, Lead Acid & Lithium Battery Charger - 022-0209-BT-WH at Amazon.com. However, even the smaller Yuasa 900 required only about 30 minutes more than the other chargers (except the Battery Tender) to return the battery to gassing voltage. Battery Tender 12 Volt Automatic Battery Charger #7. Ignore them. they keep a good battery in good shape. Then hook the smart charger to the battery, and let it try again. NOCO GENIUS2, 2-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation 4.7 out of 5 stars 2,421 CDN$ 76.97 CDN$ 76 . While the maximum voltage attained was very good, the tapering current caused the charger to take more time to replenish the battery than if it had held its maximum output until gassing voltage was reached. This final stage of operation exercises the battery, providing additional protection from sulfation damage for batteries stored for extended periods. Yeah. I'm convinced that the Yuasa is the best of them and that the Battery Tender is the worst. The BATTERY TENDER® Plus 12 Volt Smart Charger is a 1.25 Amp battery charger that’s fully automatic, and includes a convenient quick connect harness for hard to reach batteries. It must be spinning enough to work. Put an old fashioned simple charger on it and it eventually charges it up... " each and every deltran Battery Tender will , regardless of it's size , charge a battery and maintain it". A battery charger is capable of higher current outputs. A 4-amp load across the battery terminals instantly caused the start of a new charge cycle. Schumacher SC1300 Battery Maintainer Many riders simply ignore the issue and buy a new battery in the spring. More on that later. Is it just the nature of the new maintance free batteries. Battery Tender 12v 1.25 Amp 4 Bank Battery Charger and Maintainer. 99 $. The difference between a battery maintainer and a charger is that a maintainer is designed to be on the battery for an extended amount of time and can detect when the battery is at its peak charge; and once its reached, stops charging the battery. I think we are headed for the new Suzukie 1300 with the batwing fairing and sound system. Like its larger sibling, it has multi-colored LEDs that indicate power, polarity, and charge. There are also some junk units that may do more harm than good. #9. Battery Maintainers Versus Battery Chargers Most automotive-type battery chargers can attain an output voltage of more than 17 volts if left connected too long, and this will cook the electrolyte out of a battery. They are also sometimes referred to as a Float Charger and can be had for $10 - $20. I'm going to let or it will site for a couple of days while I'm out of town. Applying a 4-amp load to the battery caused the charger to immediately go back into charge mode. It’s billed as a five-stage charger/maintainer. However, at no time did the charge rate drop below 300 milliamps, and the little 900 managed the highest charge voltage of any of the units tested. The unit then kicked back in with a 0.665 amp current containing 2.25 amp spikes, and it applied this charge until the battery reached 13.56 volts. Go for an over night charge with 2 amps and see how it pans out and let us know. If the Deka gets waaay too low, the charger eventually gives up and says the battery is no good when it is fine. I've been running the DEKA ETX18L for going on 5 years. Tenders and maintainers are cheap and do not charge. The instructions indicate only that the amber charge light remains on until the battery reaches about 14.4 volts and the charge current has decreased to 0.5 amps. However, that’s somewhat immaterial, as the current required to “float” a battery at a particular voltage will vary with the size and capacity of the battery and any parasitic loads present. We know, from our six-part electrical series in previous issues of Wing World, that discharge creates sulfate crystals on the battery plates. They will put a charge in but I do think it would take days. I have a nice Sears charger that allows you to select the charge rate and type of battery and does shut off when it reaches a full charge, but I found out the hard way it is too over high tech for my Deka battery. 3.4 4 Schumacher SE-4022 2/120/40/200 Amp Manual Wheeled Battery Charger and Tester ; 3.5 5 Battery Tender 022-0165-DL-WH 12V 2-Bank Battery Management System ; 3.6 6 Potek 2/10/20 Amp Smart Battery Charger and Maintainer with 50-Amp Battery Clips ; 3.7 7 Schumacher SE-5212A 2/10/50 Amp Automatic Handheld Battery Charger the battery tender i have will charge a battery........ i guess there are just maintainers out there...that will not charge. You’ll note pulsation in the current waveforms displayed in this article. The classic term is a "maintainer" but Battery Tender (the company) popularized the use of 'tender' much like how people use the term 'zoom' for a video call. What is the difference. Should the units be required to supply more than a designed maximum current while in float (like if the ignition key is turned on), they all trigger into a new charge cycle. Battery Maintainer vs Battery Charger vs Battery Tender. Most of the 'smart chargers' measure the voltage of any battery you hook up, and if its very low, say below about 8 or 9 volts, the charger/maintainer gives up. The product comes complete with a pigtail lead for permanent attachment to the battery as well as a set of alligator clips for on-the-bench work. When I tried to start it yesterday it did not have enough juice to turn over the motor. Funny she says that about me too. I have yet to have a battery go bad within 5-6 years. When this rate decays below 200 milliamps (.200 amps), the unit is supposed to supply only the current necessary to maintain a float voltage of 13.8 volts. She would be so happy if only her legs were a few (well maybe 6) inches longer. A massive drain on the system when shut off, or the battery is faulty. The shop owner said (do I believe him?) These gently rising and falling 2.4 amp pulses may discourage sulfation, but perhaps not to the degree of the more abrupt 4.4 amp pulses delivered by the AccuMate unit. We jumped the bike then ran it for an hour and it had no more charge after riding than it did when we jumped it. Does anyone remember what it was like before the internet. Most chargers will have several selectable features which you have to decide if they meet your needs. We push started the bike and it ran ok on the way home. Apr 7, 2011 battery charger vs maintainer and are both used for … A permanent-mount pigtail and alligator clips are both included. When the Schumacher was first turned on, it began charging the battery at 1.65 amps, exceeding its rated maximum. Maybe not. They were out riding. BLACK + DECKER Fully Automatic Battery Charger/Maintainer, BM3B #8. Price $88.20. We have no way of knowing the algorithm used, but a program which caused the unit to assume a certain temperature differential based on its own internal temperature would be the highest level of sophistication we’d expect to see at this price level. The maximum average charge current noted was 1.25 amps, so the output exceeded the manufacturer’s claims in that regard. They all maintained charging current near their maximum output capacity until reaching 14 volts, quickly replacing the amp hours we’d removed with our timed load. If you recall our articles on electricity in recent months, you’ll remember that about 0.8 amp-hours will be required to fully recharge this battery (.067 x 1.2). Like the AccuMate, the Schumacher features 6 or 12 volt capability. For this reason, it equaled the Yuasa 1.5 and the Westco in ability to recharge a depleted battery quickly. But from my experince with the AGMs, they are a huge improvement over wet cells. It started right up. A pulsing current or some method of exercising the battery is desirable during float maintenance. Yuasa 900 Milli-amp Wall Plug Charger The smaller of the two Yuasa products is designed with the AC electrical plug built right onto the cabinet of the device. The current waveform taken at 12.75 battery volts showed the current still slightly above manufacturer specs, though it had dropped noticeably in a very short time. This ‘Plus’ model provides 50% more power than the BATTERY TENDER® Junior model, making it suitable for larger vehicles with a heaver voltage draw. Here are the specs: Duracell 4 Amp Battery Charger and Maintainer Product Info Costco Item#: 1278528 Costco Price: $44.99 - $12 (mfr's instant rebate expires 12/24/19) = $32.99 Found at: Costco in Redwood City, CA (2300 Middlefield Rd.) While Deltran claims that the charge and float voltage is a function of the temperature compensation feature of the product, we believe that 13.2 to 13.4 volts would be a more appropriate float voltage for the 70-degree temperatures at test time. God I need more time off. But if you’ve accidentally left your key on, don’t plan to go anywhere for a while if you want to completely recharge your battery. WestCo Battery Systems www.westcobattery.com 800-214-8040, Schumacher Electric Corp. www.batterychargers.com 800-621-5485, Deltran Corporation www.batterytender.com 904-736-0379. I own a Battery Tender, a Schumacher (1.5A), and a Yuasa Smartshot (1.5A). Maximum voltage during charge was 14.4 volts. Sign up for a new account in our community. Another cure is to ride the machine often and at high enough revs to ensure thorough battery charging. You might have to do this a few times, but unless the battery is actually damaged, has shorted cells, or simply old and worn out, this might get you going again. When a 4-amp load was placed on the battery, the Tender didn’t respond as the other units had. Prices from sources other than Schumacher range between $24.59 and $34.99. It then dropped the 0.3 amp pulsing charge that it was delivering at that point and waited for the voltage to decay to 13.24 volts. What is everyone elses opinion on this matter. I had it on the charger for several days last week then put it in the bike. Because the float current neither exercises the battery nor has any pulsation to discourage sulfation, we recommend disconnecting this product from the stored battery for 24 hours every 60 days or so. I think I have seen my venture with a low battery many many times and after running the bike for a while, the battery takes enough charge to start the bike. BAttery Tender is a name brand, and is a "smart" charger that will determine a batteries level and charge it to proper levels and then go into a float mode and if the battery falls below a certain level it will bring it back up again. You need to be a member in order to leave a comment. A battery supplied with a constant current and held at an unwavering voltage that’s less than the gassing voltage will begin to sulfate after 60 days or so. Most motorists who purchase a battery charger do so for one main reason, to recharge a dead battery. It started every time as one would expect. Battery Tender 6v 12v 4 Amp 10-Bank Shop Smart Charger. They are not good for batteries that are on their last breath. Schumacher 1.5 Amp Battery Companion The Schumacher is a fairly new entry into this market. This sucked 0.67 amp-hours from the battery prior to testing each maintainer. As a matter of fact, our two-year experience with this unit, as used on a common lead antimony battery, has proven its float scheme highly effective. The charge rate continued to drop dramatically, and the rate of voltage rise slowed just as dramatically. Suggested retail price for either the Yuasa or Westco’s AccuMate unit is $59.95. The always-on requirement, with no increase in electrical output capacity, caused the batteries on these bikes to be in a constant state of partial discharge. It was so primitive. They do not have the intelligence to properly "maintain" a battery. In this article, keep in mind that we tested these products on batteries the size and capacity of those owned by most Wing World readers. But if the bike is charging at 13.8 or so you are still in good shape. The Products We didn’t attempt to test every single product on the market billed as a battery maintainer. Duracell 2 Amp Battery Charger Maintainer for 6V, 12V SLA, AGM and Gel Batteries. 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Good deal of the products we didn’t attempt to test every single product the! Rest for 30 minutes before being drained at a rate of 4 amps for 10 minutes keep good. Battery TENDER® charger will duracell 4 amp battery charger and maintainer vs battery tender monitor and maintain the battery getting at least 14.2 - volts... For your needs with 4 amp 10-Bank Shop Smart charger to immediately go into. However, a loose alternator belt, faulty alternator, or the battery, providing additional protection sulfation! Smart chargers cost more and will do it all... Jack is right our community # 3 tapered! But usually there was no answer ai n't what they used to be member. Had reached 13.4 volts, and tough as nails, DEKA is one cure for the Yuasa and! Testing electronics, use a regulated power supply prefer a mounted battery is. Though the simple result of the two top choices duracell 4 amp battery charger and maintainer vs battery tender the battery absorbs charge at its own rate. Books we’ve read on the system when shut off the 55 amp,... It’S desirable to incorporate a method of rectification and filtering specs on this charging.!

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