How do batteries charge?

tadaska · 04-03-2018, 12:05 PM

I had my battery in the kitchen on a charger in Recondition Mode. After 24 hours it came up with an error code which is "does not enter float stage within 24 hrs". So disconnected and reconnected everything and just pressed the Auto Charge button. At start on the digital display it said 20% and it kept alternating between 12v (about) and 2.0a. I looked at it after a short while and it had gone from 20% to 60%. Then a little later the 2.0a started rising. Now it's been a while, maybe a couple of hours, and it's gone up to 9.0a but it's still at 60%. And it's about 12v. Is that how it's supposed to be or is that battery fucked?

Edit from 60% to 20%

tadaska · 04-03-2018, 12:55 PM

It's now reading 70% 13.7v 11.0a

Maybe it's ok?

charliewaqs · 04-04-2018, 02:26 AM

Your battery capacity sounds knackered? Time to replace.

tadaska · 04-04-2018, 04:25 AM

It looks like it. I finally figured out how to do the test with my charger. My battery is 700a and the test shows as 480a. Also it says 68%. I've ordered a new battery already.

charliewaqs · 04-04-2018, 05:21 AM

Get 80 or 90ah pal.

tadaska · 04-04-2018, 07:09 AM

I got this one coming, that's 95aH. Is more better?

https://www.amazon.co.uk/gp/product/...?ie=UTF8&psc=1

bishbosh · 04-04-2018, 11:10 AM

That link doesn't work.

tadaska · 04-04-2018, 11:51 AM

Another link

https://www.bannerbatterien.com/en-g...Bull/57-P95-33

bishbosh · 04-04-2018, 11:58 AM

That will be fine, if I remember right yours isn't an AGM battery?

Don't forget to code the car once it's installed

tadaska · 04-04-2018, 12:13 PM

Quote:

Originally Posted by bishbosh

That will be fine, if I remember right yours isn't an AGM battery?

Don't forget to code the car once it's installed

It's not AGM, my car doesn't have Start/Stop. Will have to find some tutorials how to code a battery with INPA. And my OBD port stopped working when the problems mention in the other thread started...

bishbosh · 04-04-2018, 01:09 PM

Assuming all the problems are down to a weak battery then the OBD port should work again

04-03-2018, 12:05 PM	#1
tadaska Major 114 Rep 1,002 Posts Drives: 2006 E90 320D ES Join Date: May 2016 Location: Eastbourne iTrader: (0)	How do batteries charge? I had my battery in the kitchen on a charger in Recondition Mode. After 24 hours it came up with an error code which is "does not enter float stage within 24 hrs". So disconnected and reconnected everything and just pressed the Auto Charge button. At start on the digital display it said 20% and it kept alternating between 12v (about) and 2.0a. I looked at it after a short while and it had gone from 20% to 60%. Then a little later the 2.0a started rising. Now it's been a while, maybe a couple of hours, and it's gone up to 9.0a but it's still at 60%. And it's about 12v. Is that how it's supposed to be or is that battery fucked? Edit from 60% to 20%
	Appreciate 0 Tweet Quote

04-03-2018, 12:55 PM	#2
tadaska Major 114 Rep 1,002 Posts Drives: 2006 E90 320D ES Join Date: May 2016 Location: Eastbourne iTrader: (0)	It's now reading 70% 13.7v 11.0a Maybe it's ok?
	Appreciate 0 Quote

04-04-2018, 02:26 AM	#3
charliewaqs Private First Class 40 Rep 163 Posts Drives: BMW 430d Gran Coupe Join Date: Nov 2016 Location: UK iTrader: (0)	Your battery capacity sounds knackered? Time to replace.
	Appreciate 0 Quote

04-04-2018, 04:25 AM	#4
tadaska Major 114 Rep 1,002 Posts Drives: 2006 E90 320D ES Join Date: May 2016 Location: Eastbourne iTrader: (0)	It looks like it. I finally figured out how to do the test with my charger. My battery is 700a and the test shows as 480a. Also it says 68%. I've ordered a new battery already.
	Appreciate 0 Quote

04-04-2018, 05:21 AM	#5
charliewaqs Private First Class 40 Rep 163 Posts Drives: BMW 430d Gran Coupe Join Date: Nov 2016 Location: UK iTrader: (0)	Get 80 or 90ah pal.
	Appreciate 0 Quote

04-04-2018, 07:09 AM	#6
tadaska Major 114 Rep 1,002 Posts Drives: 2006 E90 320D ES Join Date: May 2016 Location: Eastbourne iTrader: (0)	I got this one coming, that's 95aH. Is more better? https://www.amazon.co.uk/gp/product/...?ie=UTF8&psc=1
	Appreciate 0 Quote

04-04-2018, 11:10 AM	#7
bishbosh Lieutenant Colonel 840 Rep 1,993 Posts Drives: F30 335d Join Date: Oct 2013 Location: Sheffield iTrader: (1) Garage List 2014 BMW 335d [0.00]	That link doesn't work.
	Appreciate 0 Quote

04-04-2018, 11:51 AM	#8
tadaska Major 114 Rep 1,002 Posts Drives: 2006 E90 320D ES Join Date: May 2016 Location: Eastbourne iTrader: (0)	Another link https://www.bannerbatterien.com/en-g...Bull/57-P95-33
	Appreciate 0 Quote

04-04-2018, 11:58 AM	#9
bishbosh Lieutenant Colonel 840 Rep 1,993 Posts Drives: F30 335d Join Date: Oct 2013 Location: Sheffield iTrader: (1) Garage List 2014 BMW 335d [0.00]	That will be fine, if I remember right yours isn't an AGM battery? Don't forget to code the car once it's installed
	Appreciate 0 Quote

04-04-2018, 01:09 PM	#11
bishbosh Lieutenant Colonel 840 Rep 1,993 Posts Drives: F30 335d Join Date: Oct 2013 Location: Sheffield iTrader: (1) Garage List 2014 BMW 335d [0.00]	Assuming all the problems are down to a weak battery then the OBD port should work again __________________ if I've helped - an Appreciate would be, er, very appreciated!
	Appreciate 0 Quote