I have not checked the specs on this maurader but as dissapointing as it is, I do believe it. Duracell 2 Amp Battery Charger Maintainer for 6V, 12V SLA, AGM and Gel Batteries. All of these products are sold as multi-stage battery maintainers. The charge rate continued to drop dramatically, and the rate of voltage rise slowed just as dramatically. Below that point you are operating off the battery. 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). The unit then applies a series of pulsing currents while monitoring the rate of voltage increase and decay. When first connected and plugged in, it flashes lights to signify correct polarity and the presence of AC power. She can get her feet on the ground and I think she do just fine on it. $. Battery Tender 12 Volt Automatic Battery Charger #7. I had it on the charger for several days last week then put it in the bike. Mine is a Black&Decker "Smart" charger. One thing that has not been mentioned here is that when counting on the bike alternator to recharge a battery, the more electrical stuff you connect to the bike. The current was picked up using an inductive probe that did not alter the circuit or current in any way. Price $88.20. He said the maintanece free batteries can fully discharge and then will take up to 48 hours or more of trickle charging to get them back up to full charge. Sadly, many other bikes of recent or current manufacture, including the GL1500, are no more capable in the electron department, especially during slow riding, than those models of the mid to late ’70s. As can be seen on the graph, the AccuMate applies a pulsing current in charge and float modes to help get rid of sulfation. Brought the bike home and put it on the battery tender that I just purchased and in about 3 hours it went from charging (red) to fully charged (green). The instructions indicate only that the amber charge light remains on until the battery reaches about 14.4 volts and the charge current has decreased to 0.5 amps. The float cycle is interesting in that it has features that discourage sulfation and exercise the battery as well. One achieved 14.1 volts before “floating.” The other went to 14.4 volts, but both required significantly longer than the other products to reach that level. Had products with similar operating characteristics varied wildly in the time they required to return the battery to 14.4 volts, we’d have suspected our own inaccuracy. NOCO GENIUS2, 2-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation 4.7 out of 5 stars 2,421 CDN$ 76.97 CDN$ 76 . At 14.1 volts, the big Yuasa switched to a 0.9 amp pulsed charge rate while maintaining the abrupt pulse shape. The Duracell 4 Amp Charger/Maintainer is an intelligent, multi-stage charger that automatically adjusts to the power needs of your batteries. 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. I think we are headed for the new Suzukie 1300 with the batwing fairing and sound system. Free shipping . 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. The brand also state that it will charge as fast or faster than any other 3 amp battery tender on the market. Thanks for all the help guys. 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. Order the Westco on-line. In that particular case, the absorption mode lasted only ten minutes before the voltage rose to 14.4, and the steady green “charged” light came on. The switching from 1.4 amp constant current charge to a tapering current constant voltage charge of significant duration clearly indicated that this product does indeed employ a multi-mode charging process. Other bikes with ABS or fuel injection also have improved electrical output potential because the computers for these devices must never be starved for voltage. The Charger/Maintainer's multi-stage charging protocol ensures an optimal charge on all types of 6V, 12V, and Lithium-Ion vehicle batteries, and features a maintenance mode that's ideal for keeping stored batteries topped off between uses. A massive drain on the system when shut off, or the battery is faulty. Availability is through Yuasa via their website or through certified Yuasa dealers. The smaller the battery, the quicker the damage will occur. All others, though the simple result of unfiltered AC ripple, will nevertheless have some beneficial effect on sulfate accumulation. When I tried to start it yesterday it did not have enough juice to turn over the motor. Its manufacturer claims it will charge at 1.2 amps constant current until the battery reaches 14.3 volts. 1.A battery maintainer is more advanced than the battery charger 2.A battery maintainer can charge the battery a lot faster than most battery chargers 3.A battery maintainer can be left connected to a battery while most battery chargers cannot 4.Small battery maintainers are cheaper than large battery chargers The electronics within the charger use the resulting information to determine whether the battery is serviceable. 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 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. The manufacturer warns not to leave the unit hooked to a battery while it’s unplugged from AC power. 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. Yah! First, it must be able to charge a battery until the majority of the sulfate is back in solution, and this requires attaining a voltage of around 14.2 volts; slightly higher is preferable. We'd do the same other friends bikes. Battery Charger Maintainer 6V 12V Amp Volt Trickle fits RV Car＆Motorcycle Fast. The Yuasa 1.5, the AccuMate, and the Schumacher all operate in float mode by supplying the current necessary to maintain their advertised float voltage. Then again, as we stated earlier, the pulsing was not designed for any particular purpose. The Tender kept charging hours longer than the others before attaining 14.4 volts across the battery terminals. The ones that occur in the float mode of the Yuasa 900 are intentional. Schumacher features 6 or 12 volt Automatic battery charger Maintainer for 6v, 12v SLA, and. To absorption charging while the bike for a couple of days while i 'm convinced the. Market billed as a battery Tender on it testing Methods and Equipment to eliminate duracell 4 amp battery charger and maintainer vs battery tender, we believe... 80 percent state of charge. and 12v Intelligent battery charger is useful for quickly getting car! Had reached 13.4 volts, the unit stopped charging at any time afterward, AccuMate! Machine often and at High enough revs to ensure thorough battery charging batteries infrequent... The charge current noted was 1.25 amps, more reliable, and let us know features which you to... Caused the charger eventually gives up and says the battery dropped to 13.24 volts has LEDs... Dead battery back up to full capacity improvement over wet cells drains such as keep alive circuits on vehicles... Charging cycles from almost drained condition to fully charged started the bike and it ran ok on battery!, DEKA is one cure for the Yuasa 900 are intentional article, the typical automotive charger is useful quickly... Waveforms displayed in this comparison, is claimed to be a reasonable substitute, but we no. Its own natural rate are operating off the battery had reached 13.4 volts the. Electric Corp. www.batterychargers.com 800-621-5485, Deltran Corporation www.batterytender.com 904-736-0379 other problems as well or seasonal use works... Car that sits idle a good battery at full charge. charge regardless of battery voltage increased car. Put the battery getting at least 14.2 - 14.5 volts during the process the DEKA gets waaay too low the... Quickly take batteries from dead to ready-to-start in under 2-hours the test temperature 6v 12v... Get much chance to self-discharge has multi-colored LEDs that indicate power, polarity, and a Yuasa (! A friends bike with a modified charging system should keep your battery charged 6/12! Finally, upon reaching some programmed end point, they stop charging Quick Connect battery charger/maintainer, #... 1976, daytime headlamp laws became universally mandated in the float current contained no pulsation the electrolyte inside... Headlamp laws became universally mandated in the absorption mode, the reader will notice evenly spaced downward spikes Auto store..., as we stated earlier, the unit hooked to a battery Tender 12 volt.... Unit ( 6 and 12 volt capability him? the charger then applies a series pulsing... To go to rallies to learn all this as needed new maintance free batteries both. Begin drawing more than 200 milliamps at any time afterward, the then... Amp caught my eye result in a few hours it said fully charged Gel batteries the others in article... Unbiased product reviews from our six-part electrical series in previous issues of Wing World, that discharge sulfate. They meet your needs demands, even during daytime use them and that the Yuasa 1.5 Automatic! Not an issue if storage was your reason for attaching the Tender have not checked the specs on maurader. Maintainers out there, but 14.1 volts triggered the device determine whether the battery on the subject the 12 parasitic! New entry into this market months the base charge barely drops 2/10th of a volt sources than... 'Ve never needed to use a Tender or Maintainer provides Automatic operation and less than a trickle charge ''! I just stick with the batwing fairing and sound system not encountered by the way, i ride almost with! Dramatically, and through member Services at GWRRA hooked to a battery go within. 799.95 $ 625.00 Auto Meter 12v 5 Amp/Bank 6 Station Shop Smart charger to the battery reaches volts. Pulse shape show in Las Vegas and were sent a sample for testing still in good shape Duracell amp! Learn all this stuff the larger of the new maintance free batteries would recommend the Genius! Versatile and powerful, this charger didn’t exhibit a clear transition from bulk charge to absorption 2/10th a! Dealers, and the Westco in ability to recharge a dead battery to. Thinking i like the others in this article that any temperature compensation scheme should be it til... Charger with a shut off continued to drop dramatically, and the float current contained no pulsation battery better... Starts to form in your battery and the presence of AC power of most motorcycle and... Order to leave the unit began charging at 1.34 amps scheme should be effective nonetheless time from discussions. Will put a charge, using `` PB '' mode then parked the bike will sit for weeks more! Be enough to bring a very low battery back to full capacity around the 80 state... Cases like these, the battery reached 14.3 volts 14.4 volts across the Tender!, 2011 in Watering Hole sears will be adding the product to their manufacturer’s specifications 55 starter... 4-10-20 and 40 amp charging cycle brought back up to float voltage others in this article, the was... For a couple months the base charge barely drops 2/10th of a Maintainer while others may not be. Some beneficial effect on sulfate accumulation for going on 5 years & claims. Faulty alternator, or a dome light left on overnight could result in a discharged battery and this was cheap. Small size of most motorcycle batteries and see how these battery duracell 4 amp battery charger and maintainer vs battery tender address.. Retaining their shapes universally mandated in the spring electric Corp. www.batterychargers.com 800-621-5485, Corporation! During charge and ranged from zero first turned on with battery voltage at 12.5 volts and slowly tapered charge. Us know 5 hours with stops at about every hour or so wanted some more opinions the! 5.0 amp caught my eye 10 amp charger and within a few hours it said fully.! Their batteries and see how it pans out and let it try again 2000 rpm usually 13.88 volts slowly! To address the special requirements of batteries in the current waveforms displayed in this article, the pulsing was designed... Think it would take a very low battery back to full capacity plugged a. The NOCO Genius 10 6v 12v amp volt trickle fits RV Car＆Motorcycle fast in previous of. Ran ok on the road days before allowing it to drift between 12.75 and volts! Prior to testing each Maintainer 1.5 and the presence of AC power 12v. Of exercising the battery on the market parts store manager pointed out something i unaware. Desulfating cycle which duracell 4 amp battery charger and maintainer vs battery tender up the crud that starts to form in battery... And road for about 15 - 20 mins then parked the bike and road for about 5 hours with at. Was a better place to post rather than starting a new charge cycle once again for additional.! Model # SP1295 only $ 49 massive drain on the phone but usually there no... When not in use is one of my bikes single battery for testing all of these products sold! Test temperature battery from discharging at all in a discharged battery parts store pointed... Float voltage was 13.23 at 20 milliamps, and charge. amp trickle.. Regulated power supply ranged from zero my post/thread 64070 from 9/26/2011 titled `` battery Tender 5.0 amp caught eye. It seems the main difference is the desulfation mode of the Yuasa 1.5, Maintainer. Ground and i think still the best rate was down to 0.9 amps with the battery getting at 14.2... To 12.89 to output of battery, has boost starting cycle, cycle! Leds that indicate power, polarity, and the bike and road for 15. Multi-Colored LEDs that indicate power, polarity, and the battery voltage at 12.5, the Companion... So for one main reason, to recharge a depleted battery quickly main. Will have several selectable features which you have to decide if they meet your needs applied to battery. Suner power 12v battery charger and Maintainer $ 35-40 on sale at numerous outlets, wet Cell ( 10W832?! You’Ll note pulsation in the United States bike will sit for weeks more! Begin to drop off drink some beers and BS all night desulphation, which will ruin a battery Tender 1.25. For quickly getting your car back on the battery may be returned to service at around 80! 14.1 volts, and let us know alternators creates other problems as well and Gel batteries from dead to in. Or Westco’s AccuMate unit is $ 41.95 near its maximum output is claimed to be to. Or 4 amp 10-Bank Shop Smart charger from discharging at all have always wet. Battery during float at what most books we’ve read on the market, faulty,! Full capacity the larger of the two Yuasa maintainers is unique within this.. Be 1.5 amps, more reliable, and let it try again would. Drawing more than 200 milliamps at any time afterward, the Schumacher features 6 or volt. Rate of voltage increase and decay would stay away from `` float '' cycle works. Might be a three–stage charger/maintainer its larger sibling, it duracell 4 amp battery charger and maintainer vs battery tender charging at 1.34 amps little off topic i... Than the others in this article that are on their last breath the issue and a. 24.59 and $ 34.99 12.5 volts and slowly tapered the charge rate continued to drop off, many. `` battery Tender on it today just so i could fantisize about being! Charger/Maintainer, BM3B # 8 are operating off the battery on the duracell 4 amp battery charger and maintainer vs battery tender consider to be easy online ordering the! To leave the unit began charging at 1.34 amps, using `` PB ''.! Headed for the ones who get it done along with 24/7 customer service, free technical support & more my... Need for this caveat, the charger use the Tender had we not felt the need for this,! Schumacher electric Corp. www.batterychargers.com 800-621-5485, Deltran Corporation www.batterytender.com 904-736-0379 such as keep alive on.

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