 | Home > In Car Electronics > Do I need a new battery? |
 
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| Marks Landy Member Since: 09 Feb 2015 Location: Cheshire Posts: 296   
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Yeah, it sounds like your battery is toasted..
How old is it? |
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26th Apr 2020 7:20pm |
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| Adammacky Member Since: 28 Dec 2019 Location: West Midlands Posts: 309
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Only had the car 9 months so not sure but looking at it i would say yes its pretty old
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26th Apr 2020 7:29pm |
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| BogMonster Member Since: 05 Feb 2008 Location: Stanley Posts: 389  
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11.anything is either very flat or knackered. If a battery is very dead or a cell has collapsed then jump starting sometimes doesn't work as the dead battery sucks too much
A healthy battery that has settled will typically be 12.6-12.8v. Less than 12.5, needs a charge. You should get at least 14.something across the battery with the engine running if the alternator is working properly. One issue on Td5s is that the ECU doesn't like low voltages, a vehicle will a dead battery will sometimes crank fine with jump leads off another vehicle but will not fire. --- 2006 Defender 110 SW 300Tdi • 2011 Ford Ranger XLT crewcab • 2015 Defender 110 Station Wagon Utility TDCi |
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26th Apr 2020 8:25pm |
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| kmac Member Since: 07 Oct 2009 Location: Middlesex Posts: 1294 
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See if you can borrow a CTEK MSX 5 or upwards and do a reconditioning cycle.
If the battery is really old though, might save yourself a bit of faffing around by getting a new one. Oct 2009 vehicle is still on original battery but with the CTEK never gets to pulse, just stays on the green battery section. Running a reconditioning cycle overnight tonight on it. Anyway, I am midway installing my dual battery system so I have a spare if the original dies, |
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26th Apr 2020 9:33pm |
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| TD5Neil Member Since: 02 Nov 2017 Location: Cambridgeshire Posts: 42 
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Sounds like the battery probably has a dead cell. Worth a recondition if possible as KMAC suggested. Tayna batteries (online and offering quick delivery) are well priced. I got an Exide 019 from them back in January.
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27th Apr 2020 9:11am |
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| Badger110 Member Since: 06 Feb 2018 Location: South hams Posts: 1025 
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This little diagram helps when measuring voltage, your’s is looking to be rather knackered.
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27th Apr 2020 11:13am |
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| Adammacky Member Since: 28 Dec 2019 Location: West Midlands Posts: 309
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Thanks for all the replies guys! Tayna have brilliant prices fortunately!
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27th Apr 2020 12:09pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 16857 
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I've been impressed with Tayna's prices and standard of service, excellent all round.
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27th Apr 2020 1:32pm |
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| wyvern Member Since: 14 Dec 2009 Location: Cornwall Posts: 2068 
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Ttake a look here ..... https://www.batterymegastore.co.uk
I am just getting a new 110 amps hr leisure battery for the 110 and they have very reasonable prices, Ive used them before and happy with the next day delivery service ... Poppy - TDCI (Puma) 110XS 2.2 - Camper conversion - see the build here - https://www.defender2.net/forum/topic56530.html Elgar -TDCI(Puma) 110XS Dormobile - now sold Devon & Cornwall 4x4 Response - DC126 |
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27th Apr 2020 2:14pm |
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| Adammacky Member Since: 28 Dec 2019 Location: West Midlands Posts: 309
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Click image to enlarge This is the only information on my battery, I'm guessing im best replacing with another 110ah battery? I understand brands are personal preference but do i need 110ah? I don't run any additional lights or electrical stuff other than immobiliser, radio and wipac led replacement lights all round. Every site seems to think my car is a TDI when i put the reg in but its deffo a 110 TD5  |
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27th Apr 2020 4:09pm |
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| kmac Member Since: 07 Oct 2009 Location: Middlesex Posts: 1294
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For reasonably priced powerful battery have a look at Numax dual purpose ( leisure and starter)
e.g. got one for these from £80 at Tayna Numax CXV30HMF Sealed Leisure Battery 12V 105Ah - there was an ebay 20% off deal at the time so normal price around £100 As you say you may not need 110Ah but what you need to check is the CCA to start your car so get at least 720 I like the Varta that came with the car so would probably look to replace with one of those |
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27th Apr 2020 6:04pm |
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| Marks Landy Member Since: 09 Feb 2015 Location: Cheshire Posts: 296
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I think TD5s had 069 battery size as standard.
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27th Apr 2020 6:08pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7682 
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The numax cxv 27 and 30 batts are superb value for money. I fit them to ours when any need a replacement battery. Either 2 x27s or 1 x 30 depending on vehicles use. Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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27th Apr 2020 9:15pm |
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| Adammacky Member Since: 28 Dec 2019 Location: West Midlands Posts: 309
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Right bought battery from tayna, brilliant service by the way! 250 enduroline 12V 100ah, 760 cca i think.
Connected up and cleaned out battery box a bit, im guessing its regular that the boxes get filthy with dust?! Anyway it still wont start and the radio reads 12.4V, I've put it on charge presuming it may need a charge first? Or... do I need to start looking at other possible problems? Starter moter solenoids and plunger has recently been changed and also crank shaft position sensor changed recently too. Again... sorry if i am being stupid! |
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29th Apr 2020 11:19am |
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