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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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I'm looking for a battery to replace the one in my Landis& Gyr C/H
controller, model RWB200; I thought it didn't have battery backup, but when I took it off the wall there was this totally dead battery in it. The controller is otherwise fine, and does all I want it to, so I'd like to replace the battery, but I can't find any reference to it. The cells are about 15mm diameter and 6mm thick, and in this case have been heat shrunk and soldered (or something) together in series. I have seen some in an old Maplin catalogue - single mercury equivalent cells; VQ76H - that look right, but theyre not rechargeable. I've no info on the controller - it predates me here, but it's a 2 channel 24hr 2times per day digital and seems pretty up to date. Anyone any ideas on batteries that might do, please? I can't seem to find anything close - RS have Varta button cells (can't give you the link, it's one of their time expiring searches) which look vaguely right, but are nowhere near the size. TIA mike |
#2
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mike ring wrote:
I'm looking for a battery to replace the one in my Landis& Gyr C/H controller, model RWB200; I thought it didn't have battery backup, but when I took it off the wall there was this totally dead battery in it. The controller is otherwise fine, and does all I want it to, so I'd like to replace the battery, but I can't find any reference to it. The cells are about 15mm diameter and 6mm thick, and in this case have been heat shrunk and soldered (or something) together in series. I have seen some in an old Maplin catalogue - single mercury equivalent cells; VQ76H - that look right, but theyre not rechargeable. Number of cells? Actually, if there is physical room, probably the easiest way is to buy several AAA NiCd cells, a battery holder, snip off the old leads high on the battery, and solder on the battery holder. |
#3
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In article 0,
mike ring wrote: Anyone any ideas on batteries that might do, please? I can't seem to find anything close - RS have Varta button cells (can't give you the link, it's one of their time expiring searches) which look vaguely right, but are nowhere near the size. Assuming they're NiCads, anything nearly the right size will work ok - assuming the correct voltage (number of cells). I'd also guess that using NIMh in this application as a direct replacement will also be fine, given that NiCads are getting harder to find. -- *Aim Low, Reach Your Goals, Avoid Disappointment * Dave Plowman London SW To e-mail, change noise into sound. |
#4
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"Dave Plowman (News)" wrote:
In article 0, mike ring wrote: Anyone any ideas on batteries that might do, please? I can't seem to find anything close - RS have Varta button cells (can't give you the link, it's one of their time expiring searches) which look vaguely right, but are nowhere near the size. Assuming they're NiCads, anything nearly the right size will work ok - assuming the correct voltage (number of cells). I'd also guess that using NIMh in this application as a direct replacement will also be fine, given that NiCads are getting harder to find. NiMH tends to do rather poorer if it's float charged constantly. NiCd tends to last several years longer. |
#5
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mike ring wrote:
I'm looking for a battery to replace the one in my Landis& Gyr C/H controller, model RWB200; I thought it didn't have battery backup, but when I took it off the wall there was this totally dead battery in it. The controller is otherwise fine, and does all I want it to, so I'd like to replace the battery, but I can't find any reference to it. The cells are about 15mm diameter and 6mm thick, and in this case have been heat shrunk and soldered (or something) together in series. I have seen some in an old Maplin catalogue - single mercury equivalent cells; VQ76H - that look right, but theyre not rechargeable. I've no info on the controller - it predates me here, but it's a 2 channel 24hr 2times per day digital and seems pretty up to date. Anyone any ideas on batteries that might do, please? I can't seem to find anything close - RS have Varta button cells (can't give you the link, it's one of their time expiring searches) which look vaguely right, but are nowhere near the size. TIA mike You may find what tyou want on E-bay, but the sgggestion of getting some cylindrical NEW Nicads and bodging them in is a good one. |
#6
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In article ,
Ian Stirling wrote: NiMH tends to do rather poorer if it's float charged constantly. NiCd tends to last several years longer. I'd agree. But nevertheless they're being sold for this express purpose. And as the OP has found, most have discontinued NiCads of this type. -- *Very funny Scotty, now beam down my clothes. Dave Plowman London SW To e-mail, change noise into sound. |
#7
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Ian Stirling wrote in
: Number of cells? Whoops. Just two, so a bit under 3v nominal, and the unit puts about 3.5 v across them. Actually, if there is physical room, probably the easiest way is to buy several AAA NiCd cells, a battery holder, snip off the old leads high on the battery, and solder on the battery holder. The package of 2 batteries is about a 16mm dia by 12 mm high cylinder, my problem is that I haven't come up with anything rechargeable around that size. I could bodge some sort of battery box, but it would be nicer to fit them in the casing. mike |
#8
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mike ring wrote in
52.50: I'm looking for a battery to replace the one in my Landis& Gyr C/H controller, model RWB200; I thought it didn't have battery backup, but when I took it off the wall there was this totally dead battery in it. I've found it, and what may be a useful website, though it's not clear how I got there! Googled for V60R UK. One result was "Useful information about raymond weil lady watch @ AGLANCE.COM", !!! www.communicatefast.org.uk/ gifts21/raymond_weil_lady_watch.html (which was one of those horrible commercial search engines), but the link led to http://www.cellpacksolutions.co.uk/index.asp which might be a bookmarkworthy resource, as they appear to have a lorra batteries. They know the 2/V60R is now called the 2/V80H and have them on sale. It seems to be well known as a C/H programmer backup, so y'all may come across it some day mike |
#9
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mike ring wrote:
Ian Stirling wrote in : Number of cells? Whoops. Just two, so a bit under 3v nominal, and the unit puts about 3.5 v across them. Actually, if there is physical room, probably the easiest way is to buy several AAA NiCd cells, a battery holder, snip off the old leads high on the battery, and solder on the battery holder. The package of 2 batteries is about a 16mm dia by 12 mm high cylinder, my problem is that I haven't come up with anything rechargeable around that size. I could bodge some sort of battery box, but it would be nicer to fit them in the casing. http://www.cpc.co.uk/ http://rswww.com/ http://www.farnell.co.uk/ Should have results. I'd check CPC first. |
#10
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Ian Stirling wrote in
: http://www.cpc.co.uk/ http://rswww.com/ http://www.farnell.co.uk/ Should have results. I'd check CPC first. Thanks Ian, I had tried them, (or someone would have slapped my wrist) But my post below should add one to your list mike |