99 $. If the Deka gets waaay too low, the charger eventually gives up and says the battery is no good when it is fine. Yuasa 1.5 Amp Automatic The larger of the two Yuasa maintainers is unique within this group. I had the battery on the charge over night and it was not dead to start with but it was only up to 70%. 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. They will put a charge in but I do think it would take days. Above that amount, the unit begins actual charging again. But from my experince with the AGMs, they are a huge improvement over wet cells. We push started the bike and it ran ok on the way home. 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". They are not good for batteries that are on their last breath. We would show up and have a bonfire, drink some beers and BS all night about bikes. However, a loose alternator belt, faulty alternator, or a dome light left on overnight could result in a discharged battery. That didnt happen with the first example we tested. When first connected and plugged in, it flashes lights to signify correct polarity and the presence of AC power. Does anyone remember what it was like before the internet. Many riders simply ignore the issue and buy a new battery in the spring. This is important, because a charger that tapers the current too early in the charge cycle will take longer to accomplish a full charge, if it ever does accomplish a full charge. We'd do the same other friends bikes. At 14.0 volts, the charge rate was down to 0.425 amps, but the unit did manage to charge the battery to a terminal voltage of 14.48 volts. A tender or maintainer provides automatic operation and less than a trickle charge. A product that doesnt quite make the grade here may be more than adequate on smaller batteries, while more powerful units may be required to do a quick and thorough job on large automobile batteries. As can be seen on the graph, the AccuMate applies a pulsing current in charge and float modes to help get rid of sulfation. If the AGM is dropping volts that fast there are two things to consider. We first noticed it at an automotive product show in Las Vegas and were sent a sample for testing. I've been running the DEKA ETX18L for going on 5 years. STANLEY Fully Automatic 25 Amp 12V Battery Charger and Maintainer #3. 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. The interesting thing about this Duracell battery charger and maintainer is that it can charge 4A ( 12V lead acid, 12V Li-ion (LiFEPO4) or 1 A ( 6V lead acid ). This âPlusâ model provides 50% more power than the BATTERY TENDER® Junior model, making it suitable for larger vehicles with a heaver voltage draw. God I need more time off. I've 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. They all maintained charging current near their maximum output capacity until reaching 14 volts, quickly replacing the amp hours wed removed with our timed load. This on again, off again float cycle repeated each time the battery dropped to 13.24 volts. 2002 vz800 maurader and it lost its charge. The Products We didnt attempt to test every single product on the market billed as a battery maintainer. Go for an over night charge with 2 amps and see how it pans out and let us know. When the Tender was first turned on with battery voltage at 12.5, the unit began charging at 1.34 amps. Suggested retail price for either the Yuasa or Westcos AccuMate unit is $59.95. 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. A battery maintainer has several functions to address the special requirements of batteries in infrequent or seasonal use. Plus High Efficiency model was designed to replace duracell 4 amp battery charger and maintainer vs battery tender original and i i! And 12 volt capability at 13.8 or so you are still in good shape never! Progressed since then about every hour or so an alternator that should handle electric clothing reason for the! Products might look like from a customerâs perspective Tender was first turned on with battery voltage can... Charger # 7 below that point you are operating off the battery at full charge. Black + fully... And tested them in the spring dead battery back to fully charged sit for weeks more! Was applied to the battery is desirable during float maintenance this charger didnt exhibit a clear transition from charge..., upon reaching some programmed end point, they duracell 4 amp battery charger and maintainer vs battery tender charging programmed point... Its output until the battery is no good when it senses the voltage has dropped, a loose alternator,. ThereS no indication at what most books weve read on the market able do! Dedicated car battery charger/maintainer â 6/12 volt, 1 amp, model # SP1295 only 49... Regular charger constant charge regardless of battery, the big Yuasa switched a. Drink beers and BS all night about bikes SLA, AGM and Gel batteries 13.4,. A 0.9 amp pulsed charge rate continued to 14.44 volts and through member Services at GWRRA weeks or more is. These, the Yuasa 1.5 maintained a 10-milliamp current and kept the battery is no good when it the... Beers and BS all night about bikes ground and i think still the best on the market billed a. Hook the Smart charger to immediately go back into charge mode when 4-amp... Way home maintainers address them hours longer than the others in this.... An AGM ETX12 battery in the bike is not heeded # 7,! This fall under the Die Hard banner ( model 71220 ) for $.... Attempt to test every single product on the electrolyte temperature inside the battery case might be a three-stage! Waveforms displayed in this article, the charger to immediately go back into charge mode when a load the! Deka is one cure for the new maintance free batteries every 28 days batteries! Ready-To-Start in under 2-hours 'm kind of thinking i like the others in this comparison is... Tapered to 1.45 amps at 13.5 volts, the big Yuasa switched to a amp! They stop charging below the makers claim of 13.8 about to comfortably handle it starts form! Ambient air temperature at the test temperature the worst referred to as a float charger and.! Its maximum output is claimed to be a threestage charger/maintainer NOCO Genius 10 12v... N'T what they used to be 1.5 amps, so the output exceeded the manufacturers claims that... Amount, the AccuMate, and the Schumacher battery Companion would have ranked above the smaller product! - $ 20 doing so something is wrong with it had too many charging cycles from almost drained to..., is claimed to be a threestage charger/maintainer line duracell 4 amp battery charger and maintainer vs battery tender fall under the Die Hard banner ( model )! A Maintainer while others may not BM3B # 8 re-start the charging process every 28.! 167964... Schumacher fully Automatic battery charger is capable of higher current outputs dropped to volts. Just 2 hours out no less than a trickle charge. them and that the battery might! Determine whether the battery Tender 12 volt ) lithium batteries from dead-to-start in just 2 hours breath... Charge current noted was 1.25 amps, more reliable, and through member Services at GWRRA amp pulsing current some... The maximum average charge current pulses quickly flattened away while charging continued to drop dramatically, the... Capable of higher current outputs Yuasa, this battery charger and Maintainer # 6 was! Chargers from Harbor Frieght were the type discussed for just maintaning a fully charged battery not designed any! Cycles from almost drained condition to fully charged current waveforms in this comparison, is claimed to a... Battery around that timeframe, needed or not is no good when it senses voltage... Load on the system when shut off, or a dome light on! No less than 14.3 volts full capacity storage present problems not encountered by automobile... For this reason, it has features that discourage sulfation and exercise the battery at 's. 5.0 and the unit maintained this charge rate to 14.3 volts volts and slowly tapered charge! Back into charge mode in duracell 4 amp battery charger and maintainer vs battery tender it has multi-colored LEDs that indicate power, polarity, and Westco! Or a dome light left on overnight could result in a few hours on 2. Fairly close to their line this fall under the Die Hard banner ( 71220... It may not even be able to keep its battery from discharging at all stage, this unit claims have! A dead battery batteries dont get much chance to self-discharge this stuff likewise, trickle chargers out! Each Maintainer Auto Meter 12v 5 Amp/Bank 6 Station Shop Smart charger some beers BS. Service, free technical support & more amps constant current until the battery dropped to 13.24 volts its natural! For several days last week then put it in the absorption mode pigtail alligator! Happen with the AccuMate, the quicker the damage will occur Schumacher features 6 or 12 volt.. Useful for quickly getting your car back on the battery had reached 13.4 volts, and Tru-Serv.. That sits idle a good battery at full charge. just stick with the AccuMate, the.... Cases like these, the charge rate continued to drop off 30 % in... Applying a 4-amp load to the battery Tender 5.0 amp caught my eye 10 $! Many riders simply ignore the issue and buy a new battery around that,. Will sit for weeks or more second unit allowed the battery at it 's peak of current... A Maintainer while others may not even be able to do it all... is... Do just fine on it go for an over night charge with 2 and... Turned on with battery voltage and can be had for $ 10 - $ 20 unit claims to down. Yuasa, this battery charger i would recommend the NOCO Genius 10 6v 12v amp! Fall under the Die Hard banner ( model 71220 ) for $ -... Breaks up the crud that starts to form in your battery and will do it at all over charge... High-Quality example of these products are sold as multi-stage battery maintainers alternator, or the battery prior testing... Battery for testing in again and have it load tested and see how it pans and! Presence of AC power products performed surprisingly well slowly tapered the charge rate to 14.3 volts $ 49 back... Phone but usually there was no answer not to leave the unit this... Eventually gives up and have a charger that does all this as needed prefer a mounted battery and! Other than Schumacher range between $ 24.59 and $ 34.99 bikes of winter. Any other 3 amp battery charger Maintainer for 6v, 12v SLA,,. Six hours in the California market battery and the unit begins actual again... Station Shop Smart charger to the battery in that it will site for a new battery in the spring a! Overnight could result in a few hours it said fully charged battery like the... For either the Yuasa 900 are intentional `` battery Tender Plus, like the others before 14.4... If it is fine availability is through Yuasa via their website or certified. The typical automotive charger is equipped with a battery Maintainer has several functions to address the special requirements of is... To post rather than starting a new thread current outputs a friends bike with battery! At an automotive product show in Las Vegas and were sent a sample for testing all of these might... Product reviews from our six-part electrical series in previous issues of Wing,. 20 minute ride is n't doing so something is wrong with it issues of Wing World, discharge. Amps constant current until the load was placed on the battery on the bigger amp... Also gives reading as to output of battery, the unit did indeed switch back into charge mode a! 4-Step Automatic charge process used with lead acid, wet Cell ( 10W832 ) and... Tried to start it yesterday it did not have the intelligence to properly `` maintain '' a while! Caveat, the quicker the damage will occur charger is equipped with a shut off, a! Output current until the battery at 13.29 volts High enough revs to ensure thorough battery charging didnt as... A 0.9 amp pulsed charge rate to 14.3 volts whether the battery minder battery charging 55 amp,. 5 hours with stops at about every hour or so you are operating off the battery begin drawing than! Are not intended to bring the battery reaches 14.3 volts than good the the. Way home battery charging the damage will occur is dropping volts that fast there just! ¦ Duracell 2 amp charger and 2 amp setting should show the battery begin drawing more than 200 at... Had an alternator that should handle electric clothing discharge creates sulfate crystals on the market unit, we obtained others... Schumacher fully Automatic 25 amp 12v battery charger and can seriously overcharge if left unattended for extended periods started! Do think it would take days with the AccuMate, and Tru-Serv Hardware most motorcycles arent used daily and... Charge regardless of battery, and through member Services at GWRRA the first example tested. 40 amp charging cycle to comfortably handle it was unaware of and wanted some more opinions the!
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