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Posted
Battery dead, and needs a new one as its not holding charge at all, but alternator etc working fine, so been and got a new one, however there are so many to choose from, so I opted for a large 88Ah Numax 017 one. Its got a 4 year guarantee and looks like it would generate enough power for a small village, the thought behind it was long life and easy cold starting, plus long charge hold for long airport car park stays. Shopped around and prices ranged from
Posted
Hmm...last time i bought a battery i specified a lead calcium one as my manual stated that was the one to use, and the garage i spoke to had never heard of them but if i remember rightly and it was a while ago.., he got one from Varta.the battery should have a "Ca" on it IIRC... <_<
Posted
I can't see a 'Ca' on it, but I was reading the web site www.manbat.co.uk that stock them and it appears that they are mostly the same, but little info about the specifications. I wonder what the difference Calcium would make ?
Posted

A 4 year warranty suggests a Calcium battery.

 

What is written on the label? Premium? Is the battery white or black?

Posted

Its says Premium High Performance on label, its almost transluscent white.

 

Premium Car Battery

Voltage - 12V

Capacity - 88Ah

CCA(SAE) - 750A

 

Dimensions(mm)

354 x 175 x 190

 

3 years guarantee

 

Original equipment specification

 

Increased capacity for higher cold start performance

 

Maintenance Free

 

Quality assured ISO 9002 accredited

 

Recommended for petrol, diesel and LPG powered cars

and light commercial vehicles

post-1856-1154366766.jpg

Posted
Mine is blue..here a pic.Has calcium silver written on it .Cost us around 90 quid..got it up in scotland.I do remember that he had to order it in which took a week..(small village!!)

post-3737-1154365500.jpg

Posted
Just checked a web site regarding battery replacements, and the Numax is a recommended replacement battery for the Galaxy, so for future reference for anyone else interested in getting a replacement, the above battery is about
Posted

The one you have is a lead-acid though, not a calcium, but I would not be to worried, it will be fine. Just once a month or so keep an eye on the electrolyte levels.

 

Mine is blue..here a pic.Has calcium silver written on it .Cost us around 90 quid..got it up in scotland.I do remember that he had to order it in which took a week..(small village!!)

 

That top-down picture makes it look almost 2 dimensional!

Posted
Whats the difference between a lead acid and a lead/calcium, as it appears either of them can be used. Does the lead/calcium just have a longer shelf life prior to use and can be smaller and lighter.
Posted

The calcium one is better...have a gander..

 

http://www.varta-automotive.com/eng/index2...erien/blue.html

 

Yes, they appear to be the more recent technology choice. By the looks of it they can be smaller with same output as the larger lead/acid ones, but the older technology lead/acid large capacity ones are apparently very robust to extreme useage with the same guarantee as the newer type. I don't think it really matters from reading up on them which one you get, as long as its got a decent capacity for the job in hand.

Posted

Whats the difference between a lead acid and a lead/calcium, as it appears either of them can be used. Does the lead/calcium just have a longer shelf life prior to use ?

 

 

Well we say "Lead", but lead would deteriorate to quick on the terminal plates so it is really 94% lead/6% antimony . Problem is antimony makes the water in the battery electrolyte to evaporate quicker. So if you use calcium instead you don't have that problem. You do get others though like you really do not want a Ca battery to go totally flat and they need a slightly higher charging voltage so the alternator in a non-Ca car may struggle to charge the battery fully.

 

The higher charging voltage does however increase the evaporation problem with Lead/Antimony batteries, hence why you need to keep an aye on the electrolyte levels.

Posted
Hmmm...but the site said that they are designed to give 20% longer life..surely that is more beneficial in the long run????..I will stick to what i have..when i replace it i will go for another of the same...Ive had this one2 and a half years.
Posted

Pros and cons of different batteries as found on web, I knew nothing about batteries until today !

 

Varieties of Lead Acid Batteries

 

Lead Calcium Batteries

Lead acid batteries with electrodes modified by the addition of Calcium providing the following advantages:

More resistant to corrosion, overcharging, gassing, water usage, and self-discharge, all of which shorten battery life.

Larger electrolyte reserve area above the plates.

Higher Cold Cranking Amp ratings.

Little or No maintenance.

 

 

Lead Antimony Batteries

Lead acid batteries with electrodes modified by the addition of Antimony providing the following advantages:

Improved mechanical strength of electrodes - important for EV and deep discharge applications

Reduced internal heat and water loss.

Longer service life than Calcium batteries.

Easier to recharge when completely discharged.

Lower cost.

Lead Antimony batteries have a higher self discharge rate of 2% to 10% per week compared with the 1% to 5% per month for Lead Calcium batteries.

Posted

I'm begining to think you may need a degree in chemical engineering to understand this site, my head hurts I'm going for a lie down :-)

 

Seriously some very interesting stuff there, who would of thought that car batteries could be so diverse (Oh no i'm slipping into anorak mode - I really must have that lie down)

Posted
Well..i know nothing about batteries..i only went with what the manual said...the garage who ordered it were quite insistant that a normal Lead Acid battery would be fine...so i took the manual in to show him and then he ordered a calcium one for me.I always read the manual.. :lol: ;)
Posted

Lead Calcium Batteries

Lead acid batteries with electrodes modified by the addition of Calcium providing the following advantages:

More resistant to corrosion, overcharging, gassing, water usage, and self-discharge, all of which shorten battery life.

Larger electrolyte reserve area above the plates.

Higher Cold Cranking Amp ratings.

Little or No maintenance.

 

It's ironic then, that such a wonderful technology provided me with the shortest lived battery I've ever had. :angry:

Posted

Whats the difference between a lead acid and a lead/calcium, as it appears either of them can be used. Does the lead/calcium just have a longer shelf life prior to use ?

 

 

I'm sure I saw on the telly that calcium gives you healthy teeth & bones!

 

java script:emoticon(':angry:', 'smid_4')

:blink:

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