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i am thinking of buying a sealed lead acid battery, one thats 12v 100 amp hour. I plan to keep this in the house, and charge it with a smart charger.
I have read that a sealed battery is fine for indoors, and also the smart charger will cut off and not over charge the battery.
Is this all correct please? don't want to mess this up!
thanks
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jimi
Club Retro Rides Member
Posts: 1,805 
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Just make sure the charger you get is suitable for SLA batteries and you should be fine.
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Black is not a colour ! .... Its the absence of colour
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thanks! will buy one then !
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Apr 18, 2022 10:24:42 GMT
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just looking at buying the charger now, the ones i have seen on ebay all have internal fans,and i don't want that. Itll be charging in the house, the battery will run my cctv, and some leds etc. I have found this one at screwfix CLICK HERElooks ok but checking the spec it says a few things; • Do not leave charging batteries unattended for long periods or overnight. • This charger should not be used as a continuous DC power source or for any purposes other than those listed – any other use will invalidate warranty will it do what i want it to? thanks |
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Apr 18, 2022 18:14:15 GMT
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Apr 18, 2022 18:36:49 GMT
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no good in a power cut which is the point of what I'm doing !  system is running now witha atx power supply. thanks |
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Last Edit: Apr 18, 2022 18:37:18 GMT by bmw2101
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jimi
Club Retro Rides Member
Posts: 1,805
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Apr 19, 2022 23:18:00 GMT
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just looking at buying the charger now, the ones i have seen on ebay all have internal fans,and i don't want that. Itll be charging in the house, the battery will run my cctv, and some leds etc. I have found this one at screwfix CLICK HERElooks ok but checking the spec it says a few things; • Do not leave charging batteries unattended for long periods or overnight. • This charger should not be used as a continuous DC power source or for any purposes other than those listed – any other use will invalidate warranty will it do what i want it to? thanks I wouldn't be happy leaving that one on continuously, this one would be better LINKY |
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Black is not a colour ! .... Its the absence of colour
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Apr 20, 2022 19:40:19 GMT
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right thanks, I'm not bothered about spending some money on this as its a big of a project. Ill get one, but recon first ill get an ammeter and see what the power i need is from what its taking atm.
thanks!
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jimi
Club Retro Rides Member
Posts: 1,805
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right thanks, I'm not bothered about spending some money on this as its a big of a project. Ill get one, but recon first ill get an ammeter and see what the power i need is from what its taking atm. thanks! Very good idea, better knowing what the normal load on the battery will be  |
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Last Edit: Apr 21, 2022 0:19:07 GMT by jimi
Black is not a colour ! .... Its the absence of colour
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Apr 25, 2022 19:29:32 GMT
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I have just bought an 8 amp ring smart battery charger, i am more that sure this will power and charge the batter more that i need.
one thing i need to ask though, my battery had plugs in the side of it, like 4mm, if its sealed lead acid, whats the plugs for?
thanks!
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Apr 25, 2022 20:00:34 GMT
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To vent as it charges, they still need to breathe.
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Apr 25, 2022 20:02:43 GMT
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ah ok thanks, but it wont give off hydrogen then ? i can put a vent to outside or something, just want 0% chance of an accident.
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mk2cossie
Club Retro Rides Member
Posts: 2,946
Club RR Member Number: 77
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Apr 26, 2022 12:27:42 GMT
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ah ok thanks, but it wont give off hydrogen then ? i can put a vent to outside or something, just want 0% chance of an accident. In car fitment with sealed batteries, they do indeed have a small hose to vent the battery gases out of the engine bay/interior  The sealed term is a bit of a misnomer really, as it all it means is you can't access the battery cells to top them up  |
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Apr 26, 2022 19:00:22 GMT
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how long do your usual power cuts last for?
a few mins, or an hour? might be worth just getting a UPS Box, it will run off the mains but then continue to power in an outage.
I have one for my own house CCTV
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Apr 26, 2022 19:27:02 GMT
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oh, if i had known about a UPS box i would have got one of those! oh well, it works off 12v anyway, so my battery will do me now.
Frequency of power cuts is nearly zero, but we did have a few a few years ago, but its more of a bit of " fun " for me as my sister moved to texas, her husband is one of these "preppers" and i just do it to show him. This system is powering led lighting which is arduino controlled, and various other things too.
mk2cossie, ill drill a hole somewhere then and vent that pipe to the garage or outside or something.
thanks
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Apr 27, 2022 18:49:15 GMT
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The little 4mm plugs are normally for transport only and should be removed once battery is fitted in a car. Usually there is a sticker on the battery to advise this.
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