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Copper piping turned silver


bigcol

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6 minutes ago, bizzard said:

That's true.  :mellow:

As kids we used to put our tongue across the terminals on the PP9 batteries - you soon got an idea if the battery was 'full' or not - but could not determine the voltage to 2 decimal place.

 

My 'lads' are both a bit 'frit' of electric and they blame me for it. They reckon that it is because I used to get them to go around the horse paddocks checking to see if the electric fence (15,000 volts) was working.

 

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6 minutes ago, Alan de Enfield said:

As kids we used to put our tongue across the terminals on the PP9 batteries - you soon got an idea if the battery was 'full' or not - but could not determine the voltage to 2 decimal place.

 

My 'lads' are both a bit 'frit' of electric and they blame me for it. They reckon that it is because I used to get them to go around the horse paddocks checking to see if the electric fence (15,000 volts) was working.

 

If you touch a PP9's terminals on a ball of fine wire wool, it glows red.

Edited by bizzard
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If you can keep everything disconnected for another hour then you’ll be good for those figures telling us something useful. 

 

As it stands, Batts 1&2 look good. Batt 4 looks probably good. Batt 3 might be ok. 

 

Whatever you do, do NOT reconnect the 12V tap, with or without the Vanner. It didn’t appear to be doing anything. Get a 24V-12V power supply. 

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9 minutes ago, WotEver said:

If you can keep everything disconnected for another hour then you’ll be good for those figures telling us something useful. 

 

As it stands, Batts 1&2 look good. Batt 4 looks probably good. Batt 3 might be ok. 

 

Whatever you do, do NOT reconnect the 12V tap, with or without the Vanner. It didn’t appear to be doing anything. Get a 24V-12V power supply. 

Just read this, I did reconnect everything accept the 12 volt and vanner.

wife moaning at me lol, grandkids cant play the Xbox, I swear I’m the man of the boat, I must be weak, wife complaining it’s cold.

 

i will disconect again in 10 mins if this would be useful

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Geez Col, how are we ever going to sort this out if you keep short-cutting the tests? 

 

Keep it as it is for now then but take a voltage reading of Batt4 on a regular basis. Report back please. 

 

And please, do not ever reconnect the 12V. Not unless you want to buy two more batteries every week. 

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Keep going and keep checking batt 4.

13.4V is looking much better than it was this morning. What we’re hoping for is eventually more parity between 3 & 4. You don’t need to check 1 & 2 for now. 

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Here we are another day, maybe the last reading. 11am

i think the readings may be good news?

but wait for feed back.

 

it seems all my problems were having a 12v feed to a battery bank.

even with the vanner it didn’t seem to like it

i will opt for a 24v to 12v thingamajig

but will wait till you guys says so

 

col x

554FCEAE-FD7F-4717-9AAF-985111A8D7E8.jpeg

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I am still wonder how battery 4 can have such a high reading hours after it was taken off charge and it seems even with some load taken. I suspect that whatever type of battery it is that it has lost a fair amount of liquid from the electrolyte so the acid is now stronger giving a more viperous reaction. If I am correct then the battery is probably still serviceable for now but possibly with reduced capacity and with increased plate erosion. Lets hope it lasts a fair amount of time if they are sealed batteries (I think Col said they were AGMs.

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3 hours ago, Tony Brooks said:

 

I am still wonder how battery 4 can have such a high reading hours after it was taken off charge

 

They’re not off charge. Col put them back on last night. Batt 3 is pulling a lot and that’s why batt 4 is so high. It’ll be interesting to see if batt 3 recovers. That’s why I suggested Col shouldd keep measuring 3 & 4 (or just 4). If batt 3 collapses completely he’ll have batt 4 gassing like a mad thing. 

4 hours ago, bigcol said:

i will opt for a 24v to 12v thingamajig

but will wait till you guys says so

Yes, do it. :)

 

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Hi all

 

taken more readings, as per photo

i will not be using the vanner equaliser any more,and will be placing it on eBay.

as soon as the voltage dropper I will be installing it.

 

many thanks

 

col

0826E1C5-1114-4849-A297-9B238AF31679.jpeg

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3 minutes ago, bigcol said:

Hi all

 

taken more readings, as per photo

i will not be using the vanner equaliser any more,and will be placing it on eBay.

as soon as the voltage dropper I will be installing it.

 

many thanks

 

col

0826E1C5-1114-4849-A297-9B238AF31679.jpeg

It still seems (to me) to be very unbalanced - particularly the 2v difference between #3 & #4

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32 minutes ago, Alan de Enfield said:

It still seems (to me) to be very unbalanced - particularly the 2v difference between #3 & #4

It is, but batt 3 was seriously abused. 

 

Col, do you have access to a 12V charger? If so, stick it across batt 3. You don’t need to disconnect anything, just try to get batt 3 up a bit. 

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