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Caravan or Towing In this forum you can post anything with regards to caravaning or towing. |
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29-08-2014, 20:08 | #1 |
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Join Date: Dec 2004
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Vehicle: Terrano2 R20 lwb 2.7TDi
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Cooked Leisure battery vs clicking charger
Alison ' s parents' van. Massive sulphur smell on hook up realised battery was cooking was hot like a radiator! Volts were 11. Disconnected and charger was clicking output cycling 8 to 12 volts. Later put bakery on again clicks stopped and volts on interior socket reached 13.
So is charger broken or battery? My van's charger making 16v connected to its battery. Thoughts appreciated.
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M6YTB / 20YTB '60' 2010 Ford C Max Zetec 1.6i, black '56' 2006 Jeep Grand Cherokee 3.0TD, silver 2021 Bailey Pegasus Grade SE Turin caravan Smile, its more likely to confuse. One Life, Don't Just Live It, Drive a Nissan, or ...... a Jeep. Owner of Nissan 4x4s 2005 to 2019, and maybe in the future too! |
29-08-2014, 20:50 | #2 |
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Location: Devizes Wiltshire
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Charger should be max 14.5v
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29-08-2014, 21:14 | #3 |
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Join Date: Feb 2007
Location: Staffordshire
Vehicle: Maverick Mk I 2.7 TD LWB
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Charging voltage should not go above 14.5 Volts as excess gassing will occur, water will be lost, and the plates could be exposed causing damage.
The battery can over heat too. Do the following test. With nothing connected to the battery, leave it a few hours to settle, then measure the voltage across the terminals, using a digital voltmeter on the 20 Volt DC range. What is the voltage ? ............ What type of charger are you using? What is it's maximum charging current? 11 volts across a battery that is deemed to be fully charged, indicates a faulty cell.
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29-08-2014, 21:20 | #4 |
Off road maniac
Join Date: Dec 2009
Location: Bexhill on Sea
Vehicle: Y60 Patrol Me, 3 ltr Mrs
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Your so called leisure battery is a start battery with a new name, nothing more, it is all to do with the plate thickness and a little to do with the composition, so if to be used as a leisure battery it needs to be fully charged, to 15.2 volts, 4 stage charging is best, something your alternator cannot do on its own, there are add on's that will do this however, but if your charger is making 16 volts connected then this suggests the battery is of high resistance ie foofed, 11 volts and hot suggests it is low resistance and shorted, the reason most vehicle units only charge to 14.2 is the high temperature in the engine bay would lead to cooking on a long run, but as its sole purpose is to start the motor this is not important, Rick
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Ex banger racer now off road maniac Lokka on the front with manual hubs Diff lock on rear 3 inch SS straight through exhaust Manly winch bumper with 13000 lb winch 10 spike ground anchor, with multiple straps and blocks Super strong body cills capped with scaffold pole 20% stronger springs all round aggressive off road tyres on wheels so just swap. Aim to get stuck and be completely self sufficient in extraction, love getting muddy, 2ft deep is good but rare. |
29-08-2014, 21:25 | #5 |
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Join Date: Jan 2014
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Although built in, the terrano will have a regulator rectifier right.
Is it a possibility this could be foofed instead, this not limiting the amount of power going to the battery, thus sulphur smell and killing the batt. I imagine it comes as a one piece "alternator" on cars though rick?? |
29-08-2014, 21:47 | #6 | |
Off road maniac
Join Date: Dec 2009
Location: Bexhill on Sea
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Quote:
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Ex banger racer now off road maniac Lokka on the front with manual hubs Diff lock on rear 3 inch SS straight through exhaust Manly winch bumper with 13000 lb winch 10 spike ground anchor, with multiple straps and blocks Super strong body cills capped with scaffold pole 20% stronger springs all round aggressive off road tyres on wheels so just swap. Aim to get stuck and be completely self sufficient in extraction, love getting muddy, 2ft deep is good but rare. |
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29-08-2014, 22:57 | #7 |
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Join Date: Dec 2004
Location: Hackenthorpe Sheffield
Vehicle: Terrano2 R20 lwb 2.7TDi
Posts: 5,234
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in caravan guys, no car connected. caravan or towing section.
2 caravans both are oem built into caravan charger/transformers. the dodgy battery felt hotter just at one end, or the cell next along. the dodgy charger, was clicking with no load or battery connected, cycling voltage 8-12 suspect was switching off and restarting. put battery back on, clicks stopped and voltage read on internal socket 11V constant as per previous on battery. oddly then third time rose to and settlled to just under 13V. which to me would be charged. over on my caravan, power on and battery off, 16.5V, then power and battery on, 16V. power off and battery only 15.5V BUT didnt test when settled.
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M6YTB / 20YTB '60' 2010 Ford C Max Zetec 1.6i, black '56' 2006 Jeep Grand Cherokee 3.0TD, silver 2021 Bailey Pegasus Grade SE Turin caravan Smile, its more likely to confuse. One Life, Don't Just Live It, Drive a Nissan, or ...... a Jeep. Owner of Nissan 4x4s 2005 to 2019, and maybe in the future too! |
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