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Post by Deleted on Feb 8, 2017 7:57:08 GMT
Just thought I'd put up a battery topic.
I have had all sorts of different batteries but the one which stands out is A Rolls S12-128 AGM bought cheap secondhand and has been abused but is amazing just seems to handle abuse and be unconcerned. Expensive new..
Now looking for some house batteries for my boat which will in future be off grid (i have some solar and a 12v diesel genny (voltage is adjustable on the regulator) a well as engine charging so the batteries will be looked after.
Any recommendations? Wondering about getting some second hand "powersafe" batteries as they are supposed to be very good quality.
About 300ah bank would do it (quite a small boat). Ideally same shape as old 110 leisures as there is a nice box in there. Or possibly AGM units on their side ..
The legendary Mr Gibbo on cw years ago said Hawker batteries were very good.
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Post by phil70 on Feb 8, 2017 8:22:54 GMT
Oooh batteries, now that will stir some emotions. Personally I've always treated them as a consumable but do look after them well, from memory I get about 3 years out of open flooded lead batts. My usage is on and off grid, solar and genny, our boat does demand a lot, apart from lights,pumps etc we do have full size 12v fridge and full size 12v freezer and of course there is Chris's soap habit to support. The last lot I bought came from an eBay shop and though I was not familiar with the label the weight told me that they were half decent, cost? 110a/h at £65-00 free next day delivery. Phil
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Post by JohnV on Feb 8, 2017 9:00:38 GMT
My batteries on Sabina have had a very easy life, The first set were a pair of sealed 140 Ah Delkor batteries lead calciums (Korean) which were supplied with the engine. They were on shore power for nearly all the time and were only called on to supply pumps, winch etc ........... they lasted 12 years (but by then were totally shot)
I have replaced them with 4 x 130 Ah Varta Sealed "dual purpose" batteries ......... now two years old and so far ok (touch wood).
Solar has now replaced/supplemented mains charging and this coming summer they will be (hopefully) getting a good workout away from shore power (fingers crossed)
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Post by bodger on Feb 8, 2017 9:06:35 GMT
mind your own business.
.................... by the way, what toothpaste do you use?
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Post by peterboat on Feb 8, 2017 9:11:05 GMT
I have full tractions 2 volt cells I am off grid with solar and whispergen one bank is 12 years old and going strong. The new boat will be getting the same for its electric motor
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Post by Deleted on Feb 8, 2017 9:36:04 GMT
mind your own business. .................... by the way, what toothpaste do you use? None
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Post by phil70 on Feb 8, 2017 9:53:23 GMT
No teeth eh? Phil
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Post by Deleted on Feb 8, 2017 10:02:29 GMT
Perfect teeth
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Post by Deleted on Feb 8, 2017 10:03:59 GMT
All Gold?
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Post by Deleted on Feb 8, 2017 10:23:18 GMT
Not yet All original but 1 missing due to a dentist interfering.
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Post by phil70 on Feb 8, 2017 10:38:20 GMT
Dentist needs to be careful, they can be struck for interfering with patients. Phil
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Post by Deleted on Feb 8, 2017 10:45:38 GMT
Dentist needs to be careful, they can be struck for interfering with patients. Phil It was when I was a teenager. At the time I definitely wanted to strike him but did not know this was allowed.
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Post by Deleted on Feb 8, 2017 11:31:14 GMT
Not yet All original but 1 missing due to a dentist interfering. Teeth, They hurt you when you get em, They hurt you when you got em, They hurt you when you loose em. Teeth are rubbish, you don't need your knees scraping and polishing every 6 months. Dentistry takes 5 years to learn, two years to do the job followed by three years learning how to cook your books. Des Lynam on Room 101
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Post by tonyb on Feb 8, 2017 11:39:32 GMT
Back on topic - I too consider batteries as almost service items that are too easy to wreck if you are not very careful so I have 3 ordinary Exide 110 Ah "leisure" batteries have so far have lasted over 4 years.
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Post by Telemachus on Feb 8, 2017 11:50:27 GMT
I had 2 sets of cheapo leisure batteries from Midland Chandlers. Both lost capacity fairly quickly (within a year or so) despite being on shore power when the boat was not in use - and leisure use only. Then again we did charge and discharge them fairly hard, but never below 50% on Smartgauge. I am thus of the opinion that cheapo leisure batteries are not really fit for purpose unless your battery provision vs energy demand is such that a massive loss of capacity is not really noticeable.
So anyway, I've now had Trojan T105s for 3 years - different league! Only problem is that with the weak pound, they have become fairly expensive (made in USA) but hopefully it will be many years before I need to buy another set.
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