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gimpy limp
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Joined: 19 Mar 2005
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PostPosted: 23:07 - 03 May 2005    Post subject: bike batteries Reply with quote

How much do they usually cost?

does it matter what you get? with car batteries you have to get different onces for different sized engines to get the best out of them (like diesels need higher ones).

500cc bike I need one for, I want to spend as little as i can but I also want a nice decent battery to go with al lthe other new parts i'm uprating.

What shall I go for?
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gimpy limp
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Joined: 19 Mar 2005
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PostPosted: 23:07 - 03 May 2005    Post subject: Reply with quote

also i've only got a car battery charger, will that make a bike battery go pop if I charge it up with that?
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gsxrboy
Scooby Slapper



Joined: 29 Jun 2004
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PostPosted: 23:18 - 03 May 2005    Post subject: Reply with quote

Bike batterys come in normal and heavy duty and range in price quite considerably. I always buy heavy duty as they only cost about £10 more and last twice as long, look to pay between £28 and £45 depending on what size it is. Look in mcn for the best mail order deals. Your car charger should be fine. Have fun!
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Suzuki
Roger



Joined: 03 May 2005
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PostPosted: 23:21 - 03 May 2005    Post subject: Reply with quote

I can recommend buying an Optimate III battery charger. Not too expensive and does wonders for your batteries.

https://www.accumate.co.uk/it010003.html
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 13:18 - 04 May 2005    Post subject: Reply with quote

Hi

There are loads of different models of battery for bikes. You can get cheap ones, and they can be fine. However my experience is that they do not take being stood unused very well. As such if it is a bike in daily use and you are happy with a 1~2 year battery life then go for a cheap one, but if you are keeping the bike longer than that or it will spend some of its life standing for quite a while then stick with one of the better known makes such as Yuasa or Varta.

All the best

Keith
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map
Mr Calendar



Joined: 14 Jun 2004
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PostPosted: 13:58 - 04 May 2005    Post subject: Reply with quote

gimpy limp wrote:
...i've only got a car battery charger, will that make a bike battery go pop if I charge it up with that?
Yes, your car charger will make a bike battery go pop.

gxrboy wrote:
Your car charger should be fine.
NO it will not be fine.

Bike batteries are small (they need to be).
That means the plates are close together.
That means they're easily damaged.

A bike battery charger should be around 500mA (or less).
A car charger starts around 2A.
You put too much current into the battery and the plates will buckle, knackering the battery (maybe not apparent immediatly but you'll drastically shorten its life).

I too would recommend an optimate (or similar, although I've heard bad things about the Oxford equivalent). If you don't want to pay money for one of those, although it'd be one of the best biking investments you'll make, then someone on eBay does the plugtop transformer type for a few quid.

HTH Thumbs Up
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mchaggis
World Chat Champion



Joined: 09 May 2004
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PostPosted: 14:05 - 04 May 2005    Post subject: Reply with quote

I've used a car trickle charger on bike batteries on several occasions with no ill consequences. It just takes commensurately less time to charge the bike battery compared to the car battery.
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map
Mr Calendar



Joined: 14 Jun 2004
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PostPosted: 14:27 - 04 May 2005    Post subject: Reply with quote

mchaggis wrote:
I've used a car trickle charger on bike batteries...with no ill consequences...

You must tell me where you get these magic batteries that defy the laws of physics Wink

See here for battery charging info.
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mchaggis
World Chat Champion



Joined: 09 May 2004
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PostPosted: 14:35 - 04 May 2005    Post subject: Reply with quote

map wrote:
You must tell me where you get these magic batteries that defy the laws of physics Wink

See here for battery charging info.


Fair enough, no obvious ill effects. Laughing The charger does reduce it's charging rate as the battery gets 'fuller' though. Confused
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Johnny GSX-R
World Chat Champion



Joined: 14 Feb 2005
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PostPosted: 16:21 - 04 May 2005    Post subject: Reply with quote

I've just forked out £60 cost price for a Varta battery on my Blackbird Shocked , damn thing let me down and i too tried to revive it with a low amp car charger but it failed to hold a charge.

You get what you pay for with batteries, buy a 'Sprint' and thats what you'll be doing............running everywhere..
Buy a good brand with a good reputation.
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gimpy limp
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Joined: 19 Mar 2005
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PostPosted: 12:20 - 05 May 2005    Post subject: Reply with quote

This supplier seems good, anyone know if this is a good price:

https://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=7971527063&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1

I asked him for a price on a yuasa battery for my cx an said they vary from (depending on what year and model cx mine is as I forgot to tell him) £40.98 - £48.98 which includes vat and delivery.

How much are yuasa batteries usually?
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-=[Sam/b]=- cx500's the only way to travel, we do it in style just like jimmy saville
msn addy - sam.barwick@ntlworld.com
https://pre-auto.com/cx500/rat_and_survival_gallery_2006
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fuzz
World Chat Champion



Joined: 24 Mar 2004
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PostPosted: 12:42 - 05 May 2005    Post subject: Reply with quote

Varta Thumbs Up Cost me about £35 for the NSR and I've hardly had to use the charger since December (although I use the bike almost everyday.)
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gimpy limp
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Joined: 19 Mar 2005
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PostPosted: 12:44 - 05 May 2005    Post subject: Reply with quote

stupid question but do halfords sell bike batteries? i've never noticed them before, i'll just go in and buy a good make one.
actually I try to avoid buying anything from halfords if I can help it, try some smaller car motor factors I know of first.
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-=[Sam/b]=- cx500's the only way to travel, we do it in style just like jimmy saville
msn addy - sam.barwick@ntlworld.com
https://pre-auto.com/cx500/rat_and_survival_gallery_2006
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