Member Since: 13 Jul 2017
Location: Bradford
Posts: 277
battery flattened after 2 minutes if IID tool
guys I think I know the answer but I have bough a second hand IID tool and connected to the car to get activation number and then unplugged as normal
started car afterwards and seemed fine, then went out at lunch time and battery was flat and had to get a jump start
when Voltage read through IID - said 11.9 volts
is this a fubbered battery
thanks Andy
5th Jun 2018 12:31 pm
Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
Could be a fecked alternator too. Mods:
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5th Jun 2018 2:21 pm
DiscoJeffster
Member Since: 27 Feb 2016
Location: Perth
Posts: 204
Make sure to disconnect the application (select disconnect) before leaving the car or else the IIDTOOL will keep the electronics active while looking for the phone. Assuming you disconnect correctly then you can leave the IIDTool connected indefinitely without issue of flattening the battery.
Saying that, your battery must be flaky to only last a couple of hours.
5th Jun 2018 3:05 pm
Hairy47
Member Since: 13 Jul 2017
Location: Bradford
Posts: 277
thanks guys - I have just checked with meter
12V not running
15V when engine revved
so surely it's ok?
PS the IID tool is not the BT one
5th Jun 2018 3:24 pm
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
A std car battery is made up of 6 cells, each cell is 2.1 volts so you want to see 12.6 volts on a new battery.
People think 12 volt is 12 volts, its not!
If you only have 12 volts the battery is knackered, really anything under 12.5 is on its way and 12.4 means possible armageddon
You can sometimes recover them with a decent charger, but if the car is a bettery hungry monster like any modern car you need new.
If you replace, halfords is the place to go and you are after an 019 Yuasa black or silver top, good discount if you have the discount card or know someone who will lend you theirs
The once recommended Exide from Tayna batteries aint much cop as it turns out, as it turns out its downright dissapointing
Last edited by lynalldiscovery on 5th Jun 2018 8:31 pm. Edited 1 time in total
5th Jun 2018 3:39 pm
Hairy47
Member Since: 13 Jul 2017
Location: Bradford
Posts: 277
Everyday is a school day ......many thanks
can anyone recommend a very good replacement as I'm supposed to be going away friday on a maiden voyage of caravan ownership
5th Jun 2018 3:48 pm
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
As said Halfords Yuasa 019 silver top good battery, yuasa black top will take more abuse.
5th Jun 2018 4:39 pm
ianm27
Member Since: 02 Jun 2016
Location: Hertfordshire
Posts: 2154
No connection with the company, alot of guys on here have recommended this company and I have purchased a battery for my D4, great quick serviceUncle Ray's spare wheel protector
Limo Tint
Blackvue front & rear dashcam
Cruise control switch pack
Bodsy's remote for FBH
5th Jun 2018 5:27 pm
Mr Kington
Member Since: 12 Dec 2011
Location: Scottish Borders
Posts: 1549
Exude is great but mine gave out 1 week after its warranty ran out. Annoyed but it wasn’t that expensive and didn’t have the electrical gremlins with the original LT batteryJames favourite hobby is writing in the third person.
5th Jun 2018 5:47 pm
Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10372
you left the IID plugged in did you ?
maybe the LED colour gives clues as to the status (and drain amount)
5th Jun 2018 8:15 pm
lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
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