Motorsport Batteries. Recommendations please .

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Motorsport Batteries. Recommendations please .

Post by Corky » Sun Apr 02, 2017 3:49 pm

I'm looking to buy a motorsport battery for my SS1 sprint car project.

I have an Odyssey PC545 in the Sabre at the moment and had something similar in the DET (both IRO of £100). The problem I have is that there's a substantial price difference between lesser known makes of the same/similar spec and the better known brands.

These are on the watch list :-

£38.99
http://www.ebay.co.uk/itm/121273253589

£88.56
http://www.ebay.co.uk/itm/301213254470

Is the latter worth twice as much as the former ?
Last edited by Corky on Sun Apr 02, 2017 5:26 pm, edited 1 time in total.


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Re: Motorsport Batteries. Recommendations please .

Post by CNHSS1 » Sun Apr 02, 2017 4:17 pm

Chalk and cheese Corky. The former is a gel battery like a motor scooter, doesn't have the cranking ability of the Odyssey (used in aircraft originally). Buy cheap buy twice...


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Re: Motorsport Batteries. Recommendations please .

Post by Corky » Sun Apr 02, 2017 4:35 pm

Fair points. I'll buy the Odyssey.

Cheers


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Re: Motorsport Batteries. Recommendations please .

Post by CNHSS1 » Sun Apr 02, 2017 4:59 pm

If you fancy spending twice as much, try allan macdonald on uphillracers for lithium ion, weigh less than a kilo...


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Re: Motorsport Batteries. Recommendations please .

Post by Corky » Sun Apr 02, 2017 5:19 pm

Maybe I should just put myself on a diet :lol:


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Re: Motorsport Batteries. Recommendations please .

Post by scimjim » Sun Apr 02, 2017 6:05 pm

Or Russbost on locostbuilders for discounts on https://furoreproducts.co.uk

Edit - it appears that they've stopped doing lightweight gel batteries?


Jim King

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), Sabre/MX5 auto (The Flying Broomstick),
1300 SS1 (Number One) & Sarah's coupe.
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Re: Motorsport Batteries. Recommendations please .

Post by Corky » Sun Apr 02, 2017 6:35 pm

I've ordered the Odyssey one. Next job, order some new leads and an isolator switch.


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Re: Motorsport Batteries. Recommendations please .

Post by nickkeyser » Sun Apr 02, 2017 9:15 pm

The varley red top in mine is still going strong ~8yrs on - it holds it charge for months on end without use. In fact, Jims white ss1 racer has another varley, presumably fitted by Craig way back

A proper battery is an investment that'll last for ages.


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Re: Motorsport Batteries. Recommendations please .

Post by CNHSS1 » Sun Apr 02, 2017 9:22 pm

That Varley 15 I fitted to Jims car in 2002...


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Re: Motorsport Batteries. Recommendations please .

Post by AllingtonGT » Sun Apr 02, 2017 9:29 pm

As long as you don't leave the Odyssey connected to go flat. Doesn't seem to be a way to recover them.



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Re: Motorsport Batteries. Recommendations please .

Post by Corky » Mon Apr 03, 2017 7:13 am

I've not found that with the Odyssey one I have on the Sabre. I managed to flatten it completely when one of the courtesy lights fell out of the dash leaving it illuminated. It was probably like that for a week, before I next came to try and start the car. But a couple of hours connected up to a smart charger and the battery was revived.

I think I read somewhere that Gel batteries don't respond too well to the old fashioned battery chargers. Not sure if this is true, or what the reason the reason could be if it is?


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Re: Motorsport Batteries. Recommendations please .

Post by scimjim » Mon Apr 03, 2017 9:14 am

I found this on the Optima site a few days ago and used option 2 to recover my battery:

The great thing about AGM batteries, including OPTIMA REDTOP® and YELLOWTOP® batteries, is that they have very low internal resistance. This allows very high amperage output so that the battery can power your accessories longer and deeper than a traditional battery, but at the same time deeply discharging it.

An AGM battery with its low internal resistance may stump car guys because sometimes it doesn't work like a traditional flooded lead-acid battery.

Here's the problem: Most battery chargers have built-in safety features that may prevent chargers from recharging deeply discharged batteries. A traditional battery that's at 10.5 volts or less is seen as defective, having either a short, a bad cell or some other defect. Most analog chargers are binary and are either on or off. If they don’t come on, it may be because the charger thinks the battery is “bad.” Turning on to charge a “bad” battery could create an unsafe scenario. But the fact is that the AGM battery may be just fine; it has simply slipped below the minimum voltage threshold of the charger to turn on, and the charger doesn't know what to do with the battery, so it does nothing.

Here are three options for bringing that deeply discharged AGM battery back to peak operational performance.

RECOVERY OPTION #1: THE BEST SOLUTION – AGM-SPECIFIC CHARGERS
The best method for recharging a deeply discharged AGM battery is to purchase a modern charger that has kept up with battery technology. Many chargers now have AGM-specific settings and desulfation steps that help recondition and recover deeply discharged AGM batteries. These are becoming more common, and they work well for all lead-acid batteries. They have the additional capability of doubling as a battery "maintainer" for batteries in storage. Some come with additional ring terminals to permanently attach to your battery leads so you can charge the battery externally with an accessible charger or maintainer. This makes it easy to hook up when you store your car, truck, boat or RV.

The OPTIMA Chargers Digital 1200 12V Performance Battery Charger and Maintainer enhances the performance of OPTIMA and other AGM batteries, recovers deeply discharged batteries and extends battery life. The OPTIMA Chargers Digital 1200 12V Performance Battery Charger and Maintainer is optimized when used with high-performance AGM batteries, but has enhanced charging capabilities that can also be used with all traditional types of automotive batteries.

This is the preferred method of charging a deeply discharged battery.

RECOVERY OPTION #2: THE DIY SOLUTION FOR CHARGING A DEEPLY DISCHARGED BATTERY.
This is a recovery method for the do-it-yourselfer using the equipment you've got in the garage. With this option, you're going to trick your traditional charger into charging the deeply discharged AGM battery.

Here's what you need:

Battery charger (under 15 amps)
Jumper cables
A good battery, preferably above 12.2 volts. (It can be an AGM or flooded battery- it doesn't matter.)
The seemingly dead, deeply discharged AGM battery
A voltage meter
A watch or timer
Now, here's what you do:

Hook up the good battery and deeply discharged AGM battery in parallel – positive to positive and negative to negative. Do not have the charger connected to the battery or turned on at this stage.

Now, hook up the good battery to the charger. Turn on the charger. The charger will "see" the voltage of the good battery (hooked up in parallel), and start providing a charge.

After the batteries have been hooked up for about an hour, check to see if the AGM battery is slightly warm or hot to the touch. Batteries naturally become warm during charging, but excessive heat may be an indication that there really is something wrong with the battery. Discontinue charging immediately if the battery is hot to the touch. Also discontinue the process if you hear the battery "gassing" — a hissing sound coming from the safety valves. If it's hot or gassing, STOP CHARGING IMMEDIATELY!

With your voltage meter, check back often to see if the AGM battery has charged to 10.5 volts or above. This generally takes less than two hours with a 10-amp charger. If it has, disconnect the charger from the wall outlet and remove the good battery from the charger. Now, connect only the deeply discharged AGM battery to the charger. Turn on the charger and continue until the AGM battery reaches a full charge, or until the automatic charger completes the charge process. In most cases, the AGM battery will be recovered.

RECOVERY OPTION #3: ENLIST THE PROFESSIONALS
If you don't own a battery charger, you don't want to make the investment, or you're not the do-it-yourself kind of person, this is the option for you.

Take the battery to a professional battery specialist who knows AGM technology. Most specialists are willing to provide "charge and check" procedures free or for a small fee. Auto parts stores are typically not capable of accurately determining an AGM battery's condition and many use conductance testers that don't provide correct readings. Battery specialists (such as Interstate Batteries and other independent battery distributors) are experts who can help determine if your battery is recoverable or not.


Jim King

Current: SE5 (8Ball), TI SS1 (snotty), 1600 SS1 (G97), 1600 SS1 (C686CCR), 2.5TD SE5a (diesel 5a), 6 x random other SS1s.
Previous: SE5, 3 x SE5a, 2 x SE6a, 3 x SE6b, GTC, 2.9i GTC, 3 x 1600 SS1, 1300 SS1, Mk1 Ti Sabre, Mk1.5 CVH Sabre
Chief mechanic for: 1400 K series SS1 (Megan3), 1400 CVH EFi SS1 (Grawpy), Sabre/MX5 auto (The Flying Broomstick),
1300 SS1 (Number One) & Sarah's coupe.
CURE THE FAULT - NOT THE SYMPTOMS

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