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Non-Motobatt battery for 1000 SP

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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2019 at 14:58
The CCA rating of a battery is not so important, it's the capacity in Amp Hours which matters most.
Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guzzi1000SE Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2019 at 20:57
I think the importance of CCA depends on your vehicle. For instance a diesel engine will require a much higher CCA rating than that of a 1.0 petrol engine, especially when cold.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2019 at 22:13
But the battery fitted to a diesel will also have a much higher capacity.
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Mike H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2019 at 22:38
Originally posted by Omobono Omobono wrote:

I tried to find the clock fuse but the new electronic ignition only has four fuses; pulling the first three did not stop the clock, the fourth was a damaged 30A fuse I was afraid to break so I left it untouched (more fuses on order), but I can't imagine a clock needs a 30A fuse. 
 


Oh no has it got modified electrics?

The standard fusebox is/was under the right side panel, 6 fuses, torpedo type, 1 - 6 top to bottom, all 16A, regardless what was connected to them or even if anything was connected. On the Spada, the bottom one, number 6, was for the clock, AND, indicators, because the Spada (and LM2 AFAIK) also had a hazard flasher switch, and so to enable you to have hazards flashing while ignition is off (and key taken out), they made the indicator circuit permanently live by powering it via fuse #6.

It also meant any passing mischevious small boys could turn your indicator switch on while it was parked and flatten the battery if you were gone long enough ...


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guzzi1000SE Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2019 at 23:19
I agree the diesel will have.

I think capacity is important as a higher AH rating means you can sit longer with the ancillaries on without the engine running, and it has a longer resistance to the natural drain on the battery when not in use.

However, I believe CCA is just as important as its the amount of current a battery can provide to start your vehicle. CCA is what a battery can provide for 30 seconds at -17.8°C without dropping below 7.2v.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2019 at 08:40
With standard LA starting batteries the CCA figure will go up with capacity. As has been demonstrated many times a 30 AH lawnmower battery will start a Guzzi with no problem. All batteries lose capacity over time, so if you start with a big one it will still be working fine after some years. The new breed of AGM batteries have a much smaller capacity but a higher CCA figure for their size. This drops as the battery ages and loses some of it's original small capacity.
This is why a standard large LA battery will generally last much longer.
It's also more a question of how long a battery can be left with a parasytic drain such as a clock or an ECU. before it discharges to the point of no start.
Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote SurreyFan Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2019 at 10:19
That's cheap ! Might try it in my SP. the Tayna recommended one (Exide I think) is twice the price

Kevin
Spada NT, Monza,750T, T100R Daytona (oops, that one's a Triumph !)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sutty Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2019 at 10:49
I been using these lawnmower ones on 2 of my bikes, still going strong about £37 delivered, Hankhook U1RMF - X, Ebay  
Keith
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