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Battery Flat


HeadShoT2009
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My car been of the road for a while, been starting it often then went away for 3 weeks, came back started it ran it for about half an hour 45 minutes and now 2 weeks later it won't start. Checked the battery voltage and it is at a dead 9.20 Volts and the light on top of the battery is red. Does this mean I need a new battery or does it just need charging. Thanks in advance

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My car been of the road for a while, been starting it often then went away for 3 weeks, came back started it ran it for about half an hour 45 minutes and now 2 weeks later it won't start. Checked the battery voltage and it is at a dead 9.20 Volts and the light on top of the battery is red. Does this mean I need a new battery or does it just need charging. Thanks in advance

replace they rarely recharge when totally flat you could try it i suppose you might be lucky if its a few years old youre as well just changing it

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How much are they roughly, also I need to fing the charger for my jump pack before I can charge it the only method I can use to try and charge it is to get the car strted and leave it running as I don't have an actual charger.

it would take hours trying to charge it that way do you have a farmers autocare near you if so they do batteries around 45 quid for silver calcium just make sure it is silver calcium ford are about 100+ same with Halfords dont accept a lead acid battery

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its well known lead acid doesnt work with smart charge which all fords have and most cars today also have smartcharge puts higher voltage up to 18 v into the battery when cold and reduces that as the electrolyte warms up a lead acid battery would boilo eventually as well as cause electrical gremlins with the car ford recommend silver calcium and so do all the experts lead acid wont last too long and prevents the battery charging correctly

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  • 2 months later...

I know I asked this ages ago but I put the battery on a trickle charge as I have been a bit busy and been using another car, also I had to repair an body earth bolt as I went to clean the earth points and the bolt was so rusty that it snaped. Anyway the battery is now holding at 11.8v and has been of charge about a day, just fixed the earth today cleaned the reast up connected the battery and it sound's like it turn's to begin with but then it stops. I have noticed that even before you turn it over the battery light is on, oil light is on and the engine managment light is on. Has anyone got any ideas, thanks in advance.

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I know I asked this ages ago but I put the battery on a trickle charge as I have been a bit busy and been using another car, also I had to repair an body earth bolt as I went to clean the earth points and the bolt was so rusty that it snaped. Anyway the battery is now holding at 11.8v and has been of charge about a day, just fixed the earth today cleaned the reast up connected the battery and it sound's like it turn's to begin with but then it stops. I have noticed that even before you turn it over the battery light is on, oil light is on and the engine managment light is on. Has anyone got any ideas, thanks in advance.

this is normal. you need a new battery mate. any lead calcium or silver calcium battery will be fine. I paid £60 for a lead calcium delivered not so long ago - i opted for the diesel battery as its larger capacity and provides more cranking power.

my understanding is that lead and silver calcium need to be charged at a higher voltage to fully charge them. charging them with a normal car battery charger is ok but it wont take them up to full charge

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Does the same go for calcium-calcium like this battery, if so and this is the same ah and cca as my current I may get this if no one has any other suggestion

http://www.eurocarparts.com/ecp/c/Ford_Focus_1.6_2001/p/car-parts/car-electrics-and-car-lighting/electrical/car-battery/?444770631&1&283018d5e5433bbb471ab67ad1af5b4e6e08b589&000020

I can't see anything on the Bosch or excide one saying either silver calcium,lead calcium or calcium calcium

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Does the same go for calcium-calcium like this battery, if so and this is the same ah and cca as my current I may get this if no one has any other suggestion

http://www.eurocarpa...6e08b589

I can't see anything on the bosch or excide one saying either silver calcium,lead calcium or calcium calcium

Im not sure to be honest, but i would think so?

the Bosch s5 is a silver, not sure what the s3 is though

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