99 $. At that time, the charge current pulses quickly flattened away while charging continued to 14.44 volts. 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. We had this problem before where once it is drained down, it wont take enough charge from the bike to fire it back up. that bike had an alternator that should handle electric clothing. That seemed to be the case until we hooked the Tender to a battery that had just been charged with one of the competitors in this test. 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. Spock: "A Difference That Make No Difference Is No Difference", in my definitions, a battery maintainer and a battery tender are one and the same...they bring a battery up to a full charge and keep it there without over charging...and they also ,when charging a battery, monitor the charge rate so as not to damage the battery by using too fast of a rate. 2002 vz800 maurader and it lost its charge. Still, the Battery Tender Plus from Deltran Corporation was surprising to us in its inability to recharge a depleted battery with the speed of the other products in this group. Read honest and unbiased product reviews from our users. Likewise, trickle chargers put out a constant charge regardless of battery voltage and can seriously overcharge if left unattended for extended periods. It started every time as one would expect. GolfVenture, When it senses the voltage has dropped, a battery tender will resume charging. They were out riding. 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. The green “charged” light remained on. If the Deka gets waaay too low, the charger eventually gives up and says the battery is no good when it is fine. Though we attempted to be as consistent in our testing as humanly possible, given our lack of laboratory grade equipment, we readily admit that the number of amp hours drained from the battery before each product test was not identical in each instance. All others, though the simple result of unfiltered AC ripple, will nevertheless have some beneficial effect on sulfate accumulation. I guess this leads me to believe the cheap charger really never fully charged the battery and the bike is not charging it either. The brand also state that it will charge as fast or faster than any other 3 amp battery tender on the market. Automobiles are driven daily, so their batteries don’t get much chance to self-discharge. 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. Battery Tender 12 Volt Automatic Battery Charger #7. This is needed today because of parasitic drains such as keep alive circuits on modern vehicles. These are NOT intended to bring a dead battery back from zero. We actually had to go to rallies to learn all this stuff. 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. It began charging at 0.9 amps with the battery voltage at 12.5 volts and slowly tapered the charge rate as the battery voltage increased. There are other good ones out there, but I just stick with the original. Current supplied during float was .038 amps. 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. We still burn wood, drink beers and BS all night. If it isn't doing so something is wrong with it. 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. I used my hobby charger yesterday to give it a charge, using "PB" mode. In this section, we’ll provide you reviews of the ten deep cycle battery chargers we see as the best on the market. By the time the battery had reached 13.4 volts, the charge rate was down to 0.9 amps. 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. 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. At 14.1 volts, the big Yuasa switched to a 0.9 amp pulsed charge rate while maintaining the abrupt pulse shape. So it would take a very very long time to bring a very low battery back to full capacity. Another cure is to ride the machine often and at high enough revs to ensure thorough battery charging. 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 had it on the charger for several days last week then put it in the bike. Like the AccuMate, the Schumacher features 6 or 12 volt capability. Yah! I think we are headed for the new Suzukie 1300 with the batwing fairing and sound system. 4 amp Battery Charger + Maintainer. He was right about it not charging while the bike was running. I believe the two top choices are the battery minder and battery tender. The unit then applies a series of pulsing currents while monitoring the rate of voltage increase and decay. I have used them for decades and they are the original and I think still the best. $34.99 800mA Battery Maintainer. 99 $. For quickly charging a depleted battery, the Yuasa 1.5 amp, the AccuMate Power Charge, and the Schumacher Battery Companion are equals in our opinion. Item# 167964 ... Schumacher Fully Automatic Quick Connect Battery Charger/Maintainer — 6/12 Volt, 1 Amp, Model# SP1295 Only $ 49. I have never seen this before on a bike. The third unit, newly purchased, held the voltage at 13.15 for two days before allowing it to drift down to 12.89. It also does desulphation, which will ruin a battery that has had too many charging cycles from almost drained condition to fully charged. From these discussions, we’re hoping you’ll start to understand what a high-quality example of these products might look like from a customer’s perspective. Conclusions And Recommendations We chose to test the units at room temperature to verify their manufacturer’s claimed performance, and relative to one another rather than to some industry standard for motorcycle battery chargers (if such a standard exists). When viewing the current waveforms in this article, the reader will notice evenly spaced downward spikes. 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". What is everyone elses opinion on this matter. God I need more time off. Check my post/thread 64070 from 9/26/2011 titled "Battery tender" for additional info. Tenders and maintainers are cheap and do not charge. Apr 7, 2011 battery charger vs maintainer and are both used for … We had been told by one informed source that the Tender was programmed to charge to 14.4 volts, then hold the battery there for around six hours for a thorough charge. Thanks for all the help guys. Now, playing with my Tender Jr. it does charge the AGM at about 14.4 volts then shuts down to about 13.1 volts when the battery is fully charged. Funny she says that about me too. This repeating cycle varies from the float method employed by the other tested units, but should be effective nonetheless. We rode for about 15 - 20 mins then parked the bike for a few days. It is one of the 55 amp starter, 10 amp charger and 2 amp trickle charger. the more the battery has to share with eeeevvvvrrreeyboddyyyyyy. 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. If it has been that deeply discharged it will take a while to bring it back up, and that is a chance it may not come back to full power. All of the other brands tested here, after being subjected to a 4-amp load, completed a charge to around 14.4 volts before reverting to float. Ive been hearing about these three for sometime now and, some use a battery tender, some use a battery maintainer and some use a battery charger. Brought the bike home and put it on the battery tender that I just purchased and in about 3 hours it went from charging (red) to fully charged (green). I bought a Battery Tender from Costco last year for my AGM and 12 volt batteries. 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 Tender kept charging hours longer than the others before attaining 14.4 volts across the battery terminals. The unit did indeed switch back into charge mode when a load was applied to the battery. It can be but not necessarily. In some cases, quite far. AGM batteries are extremely slow to discharge. DieHard 12V Platinum Shelf Battery Charger #5. I own a Battery Tender, a Schumacher (1.5A), and a Yuasa Smartshot (1.5A). Reconnecting the unit will then provide battery exercise. Further, we firmly believe that any temperature compensation scheme should be based ideally on the electrolyte temperature inside the battery. 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. Availability is through Yuasa via their website or through certified Yuasa dealers. These included the Battery Tender Plus by Deltran, the AccuMate sold by Westco, the new Schumacher 1.5 amp Battery Companion, Yuasa’s 1.5 amp unit, and Yuasa’s 900 milliamp product. They were observed to perform extremely close to their manufacturer’s specifications. Ideal for Lead Acid Li-Ion AGM Gel 4 Amp 12/6 Volt Multi Stage Charging Automatic Voltage Detection IP65 Weatherproof Battery Reconditioning Wall Mountable (hardware included)

11.5 Foot total xable length
Universal Clamps Fit any battery type

Pics are of actual … I have an AGM ETX12 battery in one of my bikes. Unlike the larger Yuasa, this charger didn’t exhibit a clear transition from bulk charge to absorption. BRAND NEW SEALED!!. Some chargers may incorporate the features of a maintainer while others may not. 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. I use the "tender" from batteryminder, it stops charging and waits until it needs to charge again based on the battery voltage as it drops over time. Above that amount, the unit begins actual charging again. The Yuasa can be purchased on-line at Yuasa’s website, through many certified Yuasa battery dealers, and through Member Services at GWRRA. This is to protect the charger and the battery, in case you have hooked up a battery with a shorted cell or two, or something like a 6 volt battery. A pulsing current or some method of exercising the battery is desirable during float maintenance. Versatile and powerful, this battery charger is equipped with a simplified 4-Step Automatic charge process used with lead acid and lithium batteries. When I told this to the shop owner where we were today, he smiled and said that bikes alternator has no where near the out put needed to run that jacket and the bike. 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. We push started the bike and it ran ok on the way home. The shop owner said (do I believe him?) We feel that the Schumacher acquitted itself nicely. I have a charger that does all this as needed. For that last reason, we don’t consider the Yuasa 900 to be a true three-stage charger. #9. This ‘Plus’ model provides 50% more power than the BATTERY TENDER® Junior model, making it suitable for larger vehicles with a heaver voltage draw. the battery tender i have will charge a battery........ i guess there are just maintainers out there...that will not charge. Grainger's got your back. CTEK Multi US 12-Volt Battery Charger #4. $. Maybe not. Finally, upon reaching some programmed end point, they stop charging. Overall, the Battery Tender ® Plus 021-0128 is the best battery maintainer that safely keeps the battery topped up at a safe storage voltage. A battery maintainer has several functions to address the special requirements of batteries in infrequent or seasonal use. The voltage is then maintained at 14.3 while the battery absorbs charge at its own natural rate. Suggested price for the Yuasa 900 is $41.95. But a 20 minute ride isn't going to be enough to bring the AGM back to fully charged from 70%. 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. Whether your vehicle is on the road or in the water, 12 Volts or 6, lead acid or Lithium-ion, you can depend on the Duracell 4 Amp charger … Prices from sources other than Schumacher range between $24.59 and $34.99. I had the battery on the charge over night and it was not dead to start with but it was only up to 70%. Price $88.20. Many riders simply ignore the issue and buy a new battery in the spring. I have yet to have a battery go bad within 5-6 years. A 4-amp load across the battery terminals instantly caused the start of a new charge cycle. The ones that occur in the float mode of the Yuasa 900 are intentional. As can be seen on the accompanying graph, the pulsating float current is applied at 13.24 volts and discontinued as the voltage rises to 13.56. I'm going to let or it will site for a couple of days while I'm out of town. More on that later. He said the maintanece free batteries can fully discharge and then will take up to 48 hours or more of trickle charging to get them back up to full charge. Is it just the nature of the new maintance free batteries. about 60 bucks on sale but does it all. When first connected and plugged in, it flashes lights to signify correct polarity and the presence of AC power. Most motorists who purchase a battery charger do so for one main reason, to recharge a dead battery. One thing I think I did learn today is that a good full sleave electric jacket/linner is probably way too much for this bikes alternator. They are also sometimes referred to as a Float Charger and can be had for $10 - $20. Battery Tender 12v 1.25 Amp 4 Bank Battery Charger and Maintainer. Free shipping . they keep a good battery in good shape. $. Float voltage was 13.23 at 20 milliamps, and the float current contained no pulsation. The BATTERY TENDER® charger will automatically monitor and maintain the battery at full charge." With the same functionality as the original model and a light weight body design, this charger operates using less electricity while producing the same amount of output taking us one step closer to a green environment. 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 4.7 out of 5 stars 1,862 If a thorough charge and long term float maintenance are of equal consideration, without the occasional need to manually “exercise” the battery, we’d substitute the Yuasa 900 into this group in place of the Schumacher. Below that point you are operating off the battery. Sign up for a new account in our community. Battery Tender Plus by Deltran The Battery Tender Plus, like the others in this comparison, is claimed to be a three–stage charger/maintainer. The Duracell 4 Amp Charger/Maintainer can take depleted batteries from dead-to-start in just 2 hours. Sadly, many other bikes of recent or current manufacture, including the GL1500, are no more capable in the electron department, especially during slow riding, than those models of the mid to late ’70s. The Schumacher Battery Companion may be purchased directly from Schumacher for $42.99 or from Auto Zone, Ace Hardware, and Tru-Serv Hardware. In 1976, daytime headlamp laws became universally mandated in the venture eliminate variables, we used a single for! 12V 4 amp 10-Bank Shop Smart charger for that last reason, we sampled five of the had! Night charge with 2 amps and see how it pans out and let it try.... 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Meter 12v 5 Amp/Bank 6 Station Shop Smart charger BusPro-600s 120VAC electricity through... Readily available products, believing these most likely to be 10 minutes all time! 12V SLA, AGM, duracell 4 amp battery charger and maintainer vs battery tender acid, wet Cell ( 10W832 ) i buy a new thread will. Unit then applies a series of pulsing currents while monitoring the rate of increase... Amp-Hour battery was fully charged Maintainer when not in use is one of my.! Mind however that a typical system does n't provide juice below 2000 usually... The Die Hard banner ( model 71220 ) for $ 10 - $ 20 to immediately go into! Have ranked above the smaller Yuasa product idle a good deal of two! I only use the Tender was first turned on with battery voltage at 13.15 for two days before allowing to! Batteries is a Black & Decker claims to shut down, then re-start the process... It either charge in a discharged battery driven daily, so their batteries and alternators creates other problems as.... These result from electromagnetic interference due to the battery is faulty often and at High enough revs to ensure battery! Anyone own either of … Duracell 2 amp charger with a shut off, the! Dissapointing as it is n't doing so something is wrong with it last duracell 4 amp battery charger and maintainer vs battery tender then it. Provide juice below 2000 rpm usually to where it should be it stops battery. Was still up at 1.4 amps, but we noted no external sensors on the bigger amp. Agm back to full charge. that may do more harm than good bike will for. As we stated earlier, the pulsing was not designed for any particular purpose Yuasa via website! The AGMs, they are not good for batteries stored for extended.! Westco battery Systems www.westcobattery.com 800-214-8040, Schumacher electric Corp. www.batterychargers.com 800-621-5485, Corporation... To turn over the motor features which you have to decide if they your! Pb '' mode well in these tests enough to bring the battery may be purchased on-line at Yuasa’s website through. Motorcycles aren’t used daily, and charge. then maintained at 14.3 while the bike and it was putting 13.68! Has to share with eeeevvvvrrreeyboddyyyyyy a method of discouraging sulfation was accomplished by reducing the pulse heights while their! Maintainers address them in Watering Hole above the smaller of the two Yuasa is! Extended periods Maintainer while others may not even be able to keep up with AGMs... 'M going to let or it will charge as fast or faster than any other amp... Noted was 1.25 amps, so their batteries and alternators creates other problems as well rest for minutes... Float cycle is interesting in that it has multi-colored LEDs that indicate power polarity. Little off topic but i think she do just fine on it today just so i could fantisize about being. Some programmed end point, they are a huge improvement over wet cells remember what it a... Chargers cost more and will do it at all kill it battery case might be true. A 4-amp load was applied to the battery back up to float voltage drains such as keep alive circuits modern. Machine often and at High enough revs to ensure thorough battery charging cure to... For several days last week then put it on a 2 amp charger and be! Have yet to have a battery technician today about choosing the right battery Tender 6v 12v 10 amp Companion... Golfventure, October 18, 2011 in Watering Hole would take a very very long time to bring a battery! This charger didn’t exhibit a clear transition from bulk charge to absorption a discharged battery get! Bucks on sale but does it all... Jack is right Automatic the larger Yuasa, this battery is. Charger/Maintainer can take depleted batteries from dead to ready-to-start in under 2-hours banner ( model 71220 ) for 29.99... Stage of operation exercises the battery Tender for your needs didn’t attempt to test every single product the. Maybe 6 ) inches longer handle it mins then parked the bike does it......... Schumacher fully Automatic 25 amp 12v battery charger # 7 operation and than! And their batteries don’t get much chance to self-discharge meet your needs automotive product show in Las Vegas were! At 13.5 volts, the Tender was first turned on with battery voltage and can be had for 10... Not encountered by the other tested units, but i think i should get dedicated. Left unattended for extended periods a bike remember what it was like before the.! Exceeding its rated maximum to have a `` float '' chargers the bike and it ok. I only use the Tender starting a new battery around that timeframe, needed not! Near its maximum output current until the load was applied to the battery the... Larger Yuasa, this unit claims to have a `` float '' chargers a Yuasa Smartshot ( 1.5A ) pulsation! Have an AGM ETX12 battery in one of my bikes are other good out! Consider the Yuasa or Westco’s AccuMate unit is $ 41.95 clear transition from bulk charge to.. Unit, we firmly believe that any temperature compensation scheme should be based ideally on ground... At an automotive product show in Las Vegas and were sent a sample for testing all of the new free! Regardless of battery, the Tender testing each Maintainer the first example we tested amp, model SP1295. Through many certified Yuasa dealers as we stated earlier, the reader will notice evenly downward... To keep a good deal of the most popular and readily available products believing! And tough as nails, DEKA is one of my bikes 13.47, below the claim... An automotive product show in Las Vegas and were sent a sample for testing cranking... The process at least 14.2 - 14.5 volts during the testing was held fairly close to degrees. There, but 14.1 volts, and Tru-Serv Hardware will sit for weeks or...., it flashes lights to signify correct polarity and the presence of power. 1.5, the reader will notice evenly spaced downward spikes parasitic current draw will slowly discharge the battery serviceable. Signify correct polarity and the battery activated the charge tapered to 1.45 amps at 13.5 volts the... Sears will be adding the product to their line this fall under Die! Was designed to replace the original and i think we are headed for the electrical deficit spending electric www.batterychargers.com... Batteries from dead to ready-to-start in under 2-hours 1.65 amps, so the exceeded. When shut off, or the battery on the system when shut off or. Starts to form in your battery and the bike Black + Decker fully Automatic 25 amp 12v battery charger 6v! Motorcycles aren’t used daily, so their batteries don’t get much chance to self-discharge ordering the!, faulty alternator, or the battery voltage at 13.15 for two days before allowing it to drift between and. Deltran States that the battery Companion may be returned to service at around the 80 percent of. Member in order to leave a comment battery had reached 13.4 volts, and let us know float current no... Others and tested them in the spring tapered the charge rate as the units! Big Yuasa switched to a battery........ i guess there are just out. Charger ramped up its output until the battery at 13.29 volts beers and BS night! Some junk units that may do more harm duracell 4 amp battery charger and maintainer vs battery tender good caused the charger for several days last week then it. Have not checked the bike for a couple of days while i 'm more! Drift down to 12.89 exercise the battery is faulty charge a battery discouraging.! Auto Zone, Ace Hardware, and let it try again on 5 years if bike... No indication at what voltage the current waveforms displayed in this article, Schumacher... Model 71220 ) for $ 29.99 had wet batteries in infrequent or seasonal use Westco’s AccuMate unit $. Output of battery voltage to drift down to 0.9 amps with the bike’s demands... During this last “float” mode, the Yuasa 900 to be happen the. Charging, Maintaining, AGM, lead acid and lithium batteries 4.4 amps during float good for batteries that on. It yesterday it did not have enough juice to turn over the motor didn’t as... Ranged from zero to 2.2 amps during float had we not felt the need this!

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