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Which Battery Capacity Analyzer is really accurate? (ebook)

Listed In Category: Everything Else > Other Items
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Classified Id DFXSNOKX
Asking Price $ 14.99 CAD per item
Quantity This item is always in stock 
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Renewed Date01-Mar-2017 12:47:02 PM EST
Expiration Date 30-Apr-2017 12:47:02 PM EST
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Aaaability member since 13-dec-2005
View Vancouver Classifieds Vancouver, British Columbia, Canada
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Hi Electric Car, EV enthusiast, or future battery expert!

Do you suspect that your electric vehicle's batteries have a residual capacity (AH) that is less than 70%, perhaps even as low as 40%, of their original rated capacities?

If so, you will need a very good quality and on-spec Battery Capacity Tester that has a gel, AGM, or flooded battery setting to determine each battery's AH.

IMHO, the "capacitance" type of battery testers can be fooled (inaccurate) especially when testing batteries connected in series, as in an electric car.

However, the $30 analog "load testers" can only give a go/no go indication. Furthermore, the analog "load tester" reduces the charge of the battery under test.

Good quality (accurate) electronic battery quasi-load testers start at around $500 suggested retail price, imho. However, if you buy this e-guide, I will teach you how to buy a $500 at a greatly reduced price, perhaps $170 or lower.

If you do a capacity test on your batteries, you might be surprised.

I have several gel battery Capacity Testers (different technologies and algorhythms) and each battery load tester model gave a different, even from the same manufacturer. From the photo, you can see that I own two Intelligent Battery Testers, a NAPA, and a SPX-OTC "car industry standard" tester.

FYI ..

[text below pertains to 12V batteries, so divide by two, if you have 6V batteries]

Oddly enough, the lightbulb test is inaccurate imho because that test is usually terminated at 10.5V according to battery makers. I think it should be terminated at 11.8V, which is the voltage that controllers no longer work, or if controllers work, they just barely work.I

I once returned Exide Sonnenschein gels (like yours?) to a battery retailer. Initially, the retailer refused to refund me, saying that the lightbulb test said the batteries were OK. I showed him my tests with my NAPA digital capacity tester. Then, he countered that he had an "industry standard" digital tester that was more accurate than my NAPA. Then, he put my returned batteries on his capacity tester -- they failed. Then, I finally got my refund!

FYI, IMHO, there is a vaporware battery capacity tester on the Internet that claims that their tester uses a technology (full of graphs) that are accurate in tests where other brands are inaccurate. That vaporware tester isn't sold yet -- it has been in alpha and beta testing (made here in BC, Canada) and has not yet been released on the market. Personally, I don't think [although I have no proof] that the said vaporware battery tester isn't tested enough, from what I know about battery companies here.

For sale in this listing is a brief, concise eBook (guide) text file in PDF format on how to select the most accurate Battery Capacity Tester for gel, AGM, and SLA (sealed lead acid batteries.)

BECAUSE I OWN DIFFERENT BRANDS AND MODELS OF BATTERY CAPACITY METERS (AKA BATTERY ANALYZERS), I was able to see how each model (every maker uses a different algorhythm)reacted to different battery types, such as gel, AGM, "silicon", and flooded.

Because they are not true carbon-pile load-testers, each electronic battery analyser can be fooled! Yes, there is a way to make some manual compensation calculations.

Here's just an opinion: In addition, if you want to get really fancy about battery testing, you might also consider a RIM-1000 Battery Internal-Resistance Tester from Germany, which does not use the same method as the Midtronics (tm) battery-conductance meters. I had a Midtronics (tm) meter, too, but sold that one quickly, after using it out for two weeks, or so.


My new phone number
(604) 512-9567 backup tel 604-980-7197
Send payment to: Rob Matthies
126 W.3rd St, #38682,N. Vancouver, BC, V7M 3N1

* Check our REVIVED BATTERY ELECTRIC PICKUP TRUCK, which is the world's biggest "load tester". This is the world's first 'free battery' licensed pickup truck that is in daily use. It uses dead batteries that have been rejuvenated back to life. In some cases (as the TV newscrew suggested, see Youtube video clip) to more power than the original battery rating.

Note: In my experience, some of the microprocessor-type battery analyzers get wrecked (or go off-spec, bigtime) with only ONE erroneous reverse polarity connection regardless of the mfg's claim for reverse-polarity protection.

The 'marine-brand' analyzer is actually a rebranded 'big-name' conductance analyzer which gets fooled easily by certain types of batteries, imho.

As well, there is a trick to proper usage of all conductance testers and microprocessor-based analyzers that I've never seen mentioned in any of their user manuals.

The xxx tester doesn't do work on larger lead-acid batteries, and I don't use my own xxx battery tester due to its variability in readings, which the user manual says "to average out."

About this eGuide's genesis: In 1999, my life was affected by a book titled, "Divorce Your Car" written by a woman living in the Upper Peninsula of Michigan. Because of her book, I got rid of my gasser car at the time and got some electric bikes and a scooter (popular with Google founders and Spielberg.) That was the beginning of my hobby of battery-powered transportation. In the small town in Michigan, population 1,500 folks, there were at least three electric scooters. The Currie Flyer scooter impressed me with its ability to climb up a fairly steep hill. Dr. Malcolm Currie, who designed these scooters, retired from designing army tanks and put his talent into zero-emission vehicles. I now owned about ten electric bikes, scooters, and never bought another gasser since. Learned a lot from trouble-shooting, modding, and re-working those electric scooters. Batteries for Ego-II scooters usually lasted six months before needing replacement. Then, an article in National Geographic on the plague of discarded lead-acid batteries from electric bikes there made us wonder if discarded batteries could still be reused. By a series of experiments, we figured out how to rejuvenate batteries for our electric mopeds. Today, we can pretty much rejuvenate any battery, even NiMH and Nicads, including single-use lithium button cells used for garage remote clickers. (But not laptop and cell phone batteries due to microprocessors inside them.) We were thinking that the billions of discarded batteries could be turned into a recycling business someday, just like inkjet cartridges.

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