fv1609 Posted August 21, 2008 Author Share Posted August 21, 2008 Good old electrons, they came through for you in the end! Clive, can you advise what type of charger you were using - automatic or adjustable output? I'm assming that if using a big old variable rectifier (Davenset type) then it should be set as low as possible? Someone I know uses a really cheap auto set which chucks out no more than 1 1/2 amps - found it in a bin! I think its SIPP or something like that. Biggish thing with start facility & 3 levels of charge. I usually have it on the highest rate, but if it draws more than 5A switch it to a lower rate. Just looked at the second battery that has quite quickly perked up, after a few hours it has started charging at about 3A. Quote Link to comment Share on other sites More sharing options...
Val Posted August 25, 2008 Share Posted August 25, 2008 A good charger like a CTEK 7000+ should be able to rejuvenate a dead battery, they have a mode where they pulse the plates breaking off the sulphur. They aren't cheap but I use one on my other batteries which get completely drained every month in one evening and then charged up a couple of days time. Same run time Same batts for the last 1.5 years. Ask around and see if one your friends have one, if you have a rich friend, they used to come with the Astons, Bentleys etc a few years ago. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted August 25, 2008 Author Share Posted August 25, 2008 Well both batteries seem now to have recovered & hold up well on a discharge voltmeter. Need to see how well they hold up in general usage. I won't tempt fate with them in the Hornet as taking it to GDSF. I have already fitted two odd but good batteries to tide me over.....but I have my little Honda 24 v geny just in case! Quote Link to comment Share on other sites More sharing options...
Guest catweazle (Banned Member) Posted August 25, 2008 Share Posted August 25, 2008 Dont forget to look for an old fashioned cheese grater while your there:rofl:honda 24v genny BR cant have any left i have one also.:rofl: Quote Link to comment Share on other sites More sharing options...
fv1609 Posted August 25, 2008 Author Share Posted August 25, 2008 Dont forget to look for an old fashioned cheese grater while your there:rofl:honda 24v genny BR cant have any left i have one also.:rofl: Yes but I must get some old fashioned cheese first. This isn't just an ordinary BR genny, this is a luxury Danish Army genny giving 6/12/24 VDC @ 20A. Its nice & quiet, you obviously didn't hear it at the weekend then. Quote Link to comment Share on other sites More sharing options...
ArtistsRifles Posted August 26, 2008 Share Posted August 26, 2008 Yes but I must get some old fashioned cheese first. This isn't just an ordinary BR genny, this is a luxury Danish Army genny giving 6/12/24 VDC @ 20A. Its nice & quiet, you obviously didn't hear it at the weekend then. Could have done with one of those on Saturday - took a friend over from Oz over to see the OT - and the battery levels had dropped too low to crank the engine And I'd forgotten to close off the air flask when it came back from W&P... :embarrassed: Everything else worked - except the damned starter!! :embarrassed: Tried jumping off a bus parked next door (also 24v) but whichever way we connected the jump leads we got rather large bangs and impressive spark displays..... :-( Quote Link to comment Share on other sites More sharing options...
fv1609 Posted August 26, 2008 Author Share Posted August 26, 2008 Neil they are lovely little Honda generators. I bought one last year at W&P. I see he still had some this year about £80. They were militarised by the Danish Army who sprayed them black & removed the carrying handle. This makes it awkward to carry, but presumably this was an anti-theft device! Quote Link to comment Share on other sites More sharing options...
ArtistsRifles Posted August 26, 2008 Share Posted August 26, 2008 Do you recall who it was that was selling them Clive?? - might be worth my getting in touch with him and having one to leave in the storage area!! Quote Link to comment Share on other sites More sharing options...
woa2 Posted August 26, 2008 Share Posted August 26, 2008 Not car batteries, but could anyone help with suggestions on getting a Video camera battery working again? It worked 12 months ago, but doesn't want to know now (won't take a charge). Any suggestions welcome as otherwise I have to go out and buy a replacement battery. Thanks. Quote Link to comment Share on other sites More sharing options...
ArtistsRifles Posted August 26, 2008 Share Posted August 26, 2008 Takes a few days - you need to put it on charge for as long as was normal then plug it into the camera, turn it on and leave it on for a couple of hours or so then repeat the process. My flash gun battery pack does the same thing, I don't use it for ages and then the battery needs to have it's "memory" reset!! Quote Link to comment Share on other sites More sharing options...
fv1609 Posted September 15, 2008 Author Share Posted September 15, 2008 Good news both the batteries that died & refused to accept a charge, have now held their charge after 4 weeks, I've just tested them on a discharge voltmeter. Obviously I am pleased but just wonder how many batteries I have thrown out unnecessarily! I shall remember to relax & just leave it on charge as Richard G suggested earlier & it will recover by itself. Quote Link to comment Share on other sites More sharing options...
Richard Grosvenor Posted September 15, 2008 Share Posted September 15, 2008 it's always nice to be right every now and then :-). Unfortunately the same can't be said for one of the batteries on our ex-MOD generator. One of them is perfect but the other is completely dead so they'll both have to be replaced :-(. Luckily it has a hydraulic starter motor so we can still start it. Why haven't more engines got these? Regards Richard Quote Link to comment Share on other sites More sharing options...
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