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13/8/2020 at 7:37pm
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yeah the battery has had it! time to get a new one
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13/8/2020 at 9:00pm
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Try checking the van battery without any load, having first put it on charge overnight, then leave the battery for 4 hours before checking the voltage, the battery should read over 12.60v for the next week, if it drops below 12.50v during this time, then I would say the battery is not holding it’s charge.
Also if the battery drops to below 12.20v during the above test, I would consider it to be at end of service.
Best to use a multimeter for the testing, even the cheap ones are quite accurate these days.
If the battery is over 5 years, then it is probably due for a change in any case.
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16/8/2020 at 9:10am
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that doesnt mean they are fully charged tho does it? remove them and put on a proper chrger for a couple of days and then check again
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16/8/2020 at 9:25am
Location: Yorkshire
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It could just be a poor connection, however and more than likely its just not getting the power.
Have you tried to connect the tv to the battery (via fuse) the 12v sockets in caravans and campers often only have tiny wires and wont take the load a tv needs.
Check how thick the tv led is against the campers wires to the socket.
Ive a lead made up so my TV goes to the solar controller LVD. good sized wiring rather than the caravans pin thick wires
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16/8/2020 at 11:39am
Location: Lichfield
Outfit: Coachman Amara 450
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You need to take the right steps in the right order first before making up any leads up to run the TV on 12 volt power from the battery. It's a waste of time making alternative connections if the battery is knackered or needs recharging. Solar panels only work effectively in bright daylight hours so on dull days you can expect less charge and the fact that TV's consume a lot of power, if the battery is only partly charged then that part of the problem. First thing to do is to buy a voltmeter and do some testing, first at the battery and then it's a case of process of elimination. If you don't do that then it's just a complete guessing game what the problem is. Remember that any connections need to be fused otherwise you could end up needing a new telly as well as a battery.
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16/8/2020 at 2:56pm
Location: Lichfield
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No reason why you can't use your TV on 12 volt power, you just need a voltmeter to test the battery before hand to see if there is enough voltage to run it for several hours that's all. You can buy a voltmeter for under a tenner and if you are not sure how to use one just go on to YouTube for help.
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29/8/2020 at 12:27am
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Quote: Originally posted by mark52 on 28/8/2020
If you have 2 leisure batteries you should always buy them as a pair, the problem could be with your older battery being faulty & dragging your new one down.
A very good point actually and never thought of that before but I suppose it's no different to a TV remote control handset where you replace all the batteries with new ones. If you put a new battery in with a part used one you are not going to receive 100% full power and prematurely reduce the life of the new one which is based on the same principal of the OP's query.
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Topic: 12v tv problem
via mobile 13/8/2020 at 7:34pm
