I bought this charger / maintainer / de-sulfator mainly as a result of a very positive performance review of this unit by "Auto Restorer Magazine". I had been searching so long for a maintainer that de-sulfates, but was unsure if it was just a gimmick. Of the two different brands that they reviewed, both with rave reviews, my opinion was this one was the most user friendly. I was so happy with the first unit I purchased, that I bought a second unit a couple weeks later.
I do recommend purchasing at least one 25 foot extension lead,(I purchased 2 along with my second charger).
HIGHLY RECOMMEND
Now, if only I purchase a third.....
First of all it will not charge a dead battery battery must have at least 7 volts, which only means you have to put your battery on a standard charger for an hour or so and then put this charger on.
Second it states it is supposed to desulfate batteries / restore them I have yet to confirm this after charging 7 different batteries
third for some reason it does not like interstate batteries I tried 2 of them and it would not work on them unless I went through a few differnent steps
forth I tried 2 different dry cell batteries would not charge either on
fifth on deep cycle batties it took over 7 days to charge it up after a full charge I put it back on a week later and showed only a 50% charge
It might be fine for maintaining batteries and I like the fact I can charge 2 batteries at the same time would I buy it again no. The reason is I wanted a charger that would desulfate my batteries and this one does not perform that function, or at least to my satisfaction. I was trying to avoid spending big money but you get what you pay for.
I would not recommend this charger unless you just wanted a trickle charger
I was going to give it 3 stars but after reading my review I knocked it down to 2 just does not messure up to the ad hipe. If only if worked half as good as it sounded
update: 1/17/13 product states 14+ volts but only charges up to 13. I have tried 6 different batteries and it has not worked an any of them. As soon as I put them in my truck they went dead. The starter would not even ingage. This charger brings them up to what it calls a full charge but when I put on my Yuasa YUA1200901 Smart Shot Battery Charger it says they are not fully charged. I will be using my Smart charger on the 6 batteries that this charger would not charge and see if there is a difference. I will update this review in 3 days
2/1 UPDATE: DO NOT BUY failed again and now company powersports will not allow return also always check return policy they have a 20% restocking fee -
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Why both stations worked fine on my car, neither station worked on my Honda ST1300 motorcycle. Hooked this up to my ST1300 that has been connected to a Battery Tender Plus 24/7 when not riding and all it would do is one cycle of the desulfating lights and Charge light, then the Test light would come on and all the lights except ON would go dark. Then another single cycle and test light would come right back on and all lights except ON would go dark again, 1 second of the Charge light on, 5 seconds off. I might have thought this was a maintenance charge except the X2 started at 75% and after 5 days of being connected still showed 75%. And there is one of the shortcomings of this charger, for the relatively high cost it's lights tell you nothing. It's questionable desulfating cycle is really it's only claim to fame, other than that there is nothing really exceptionable about these Xtreme chargers to justify their cost.
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Its a true delight to get to write such a positive report. This charger will charge/desulfate/ and maintain any 12 battery from gel cell jump packs, AGM spiral cells, ridingmower, ATV, to car, truck and RV batteries and will actually restore them to a higher capacity as well as make them last much longer. For 24 volt applications you can use two of these chargers. I run a battery shop for a large maintenance facility and since we started using these products several years ago, we continue to save thousands of dollars every month using Pulse Tech chargers (bigger commercial units using the same technology). This is the only charger I have found that actually breaks up the lead sulfate crystals -which form on the lead plates when a battery sits at a less than full charged state. (All lead acid batteries do this). Its these deposits of lead sulfate crystals that keeps the battery from delivering current and excepting a full charge. I have 3 of these chargers at homethey come in different colors (red, yellow, green and blue and a dual charger version). They are all electronically the same so buy the cheapest one you find.
In a world where things claim to "work better" or "make things last longer"this is the rare exception where the product actually does what it says and does it well. These results can be fully verified though empirical testing. Used regularly you should expect to easily get 6-10 years out of a battery rather than the often normal 2-4 years. This will quickly pay for the charger. I cycle it through all our batteries (at home) 3 or 4 times a year to keep them charged, de-sulfated and ultimately lasting longer. If you have access to a battery conductance tester (found in large automotive shops) which tests batteries for capacity and cranking amps, you can test a battery and then go use this pulse tech charger. You can then measure how it restores the battery to a previous higher capacity. It will often bring back a really weak battery to fully operation status allowing you to get a couple more years of use out of it. Its rare that I am able to recommend a product so hardily, but it works well and you will be happy with not having to buy replacement batteries for your equipment so often. If you have questions feel free to give me a shout at C23Flyboy@hotmail.com
-Scott
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Expensive gel batteries in my sailboat unexpectedly failed to hold a charge, and this charger was purchased in the hope that it could resurrect them with its patented pulsing charge. In a word, it failed. It did sense and indicate that the batteries could not be recharged, but that was the reason I purchased this charger in the first place, so I cannot say whether or not, under different circumstances, that it wouldn't perform as advertised. I'll keep it as a trickle charger (another use advertised by the manufacturer), though a dedicated trickle charger could have been purchased much more cheaply. Given its construction and features and giving it the benefit of doubt, I rated it 3 stars.
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