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#Post#: 1007--------------------------------------------------
Battery issues
By: David Gilli Date: September 6, 2015, 5:28 am
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Hi Folks,
Our Ford C-Max needed a new battery £150 fitted at dealership
£57 at battery specialist..fitting easy, of course.
I visited a bike dealer recently who wanted £86 for a bog
standard lead-acid battery..seemed a lot !
I fancy a sealed battery and my local specialist has an Exide
for £77 but it may be a bit tall...
They do a Yuasa for £84 which is semi-sealed...ie would
leak...eventually..no time specified.
For the extra seems worth a sealed one...
I wonder..apart from the price are there any downsides to a
sealed battery ?
I have a sealed one on the riding lawnmower...elec. start..only
8 hp..which has done very well.
Does anyone have a sealed one they would recommend ?
Any further comments would be valued
Thanks
Best to all...
.David Gilliland
#Post#: 1010--------------------------------------------------
Re: Battery issues
By: huub Date: September 8, 2015, 2:35 am
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i have been running sealed batteries for years , i usually buy
used backup batteries from UPS ( uninterruptible power supplies)
sealed batteries dont like very high voltage , so i set the
regulator to 13,5 volts.
i just changed the one in my lario, it was 10 years old and has
been used 5 years in a UPS, and then 5 years in my fleet of
guzzi's.
#Post#: 1011--------------------------------------------------
Re: Battery issues
By: David Gilli Date: September 8, 2015, 5:37 am
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Hello,
Interesting ideas...I assume you leave near UPS and would have
to visit them to buy a used battery.
Perhaps there are similar suppliers in my area who also offer
used batteries .
Next thing then is to investigate how to "set" a voltage
regulator.
On a separate point..one source suggested that one needs a
"smart" recharger for a gel (perhaps also any sealed ) battery.
Apparently Optimate says their charger, which is what i use, is
ok for sealed and gel batteries....
Just wondering... and learning.
Thanks
David Gilliland
#Post#: 1013--------------------------------------------------
Re: Battery issues
By: cryospeed1 Date: September 9, 2015, 7:46 am
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Hi David I think sealed and unsealed batteries refers to whether
you can add distilled water rather than its propensity to leak.
The unsealed normally give access to the cells via either a
screw cap or a push fit plug. I have tried sealed gel batteries
where the acid is absorbed into a fibre glass mat within each
cell. Two of them failed early as I had left them discharged
over winter. I now use wet acid batteries bought off the
internet and keep them topped up with my optimate or Aldis best
chargers. I have never had any sort of battery leak. Recently my
optimate brought back to life a wet acid battery that had sat
discharged for about 3 years.
#Post#: 1025--------------------------------------------------
Re: Battery issues
By: banquo Date: September 15, 2015, 3:26 pm
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I've never had much luck with wet batteries, and they seem to
die with great regularity.
My Harley came with an AGM (absorbed glass mat) battery in 2003,
and it lasted for nearly 10 years, despite frying away inside
the oil tank, and being half the size of most Harley batteries.
When it started getting sulky, I stuck it on the NF, and of
course it's been just fine for that, as it has nothing much to
do. Apart from the Dynastart models, the stock battery is
several times larger than it needs to be. The Harley battery is
much smaller than the stock one, so needs packed out.
I've never had any issue with a quality AGM battery, and bought
a Motobatt recently for my Cali III, when the wet one did its
usual, and died on me. Loads on eBay for under £50, but can't
remember the size for the NF:
HTML http://www.ebay.co.uk/sch/i.html?_odkw=&_osacat=10063&_from=R40&_trksid=p2045573.m570.l1313.TR5.TRC1.A0.H2.Xmotobatt.TRS0&_nkw=motobatt&_sacat=10063
HTML http://www.ebay.co.uk/sch/i.html?_odkw=&_osacat=10063&_from=R40&_trksid=p2045573.m570.l1313.TR5.TRC1.A0.H2.Xmotobatt.TRS0&_nkw=motobatt&_sacat=10063
For the record, so-called sealed batteries are Valve Regulated
Lead Acid, and can be either Absorbed Glass Mat (AGM) where the
electrolyte is held in fibreglass matting between the plates, or
Gel, where it's held by silica gel. Most automotive and
motorcycle VRLA batteries are AGM, and they will last for many
years, without any maintenance, providing they're not fried by
duff regulators, or discharged by more than 60% or so, when they
may fail to recharge. Not an issue unless you have an alarm (ho,
ho) or are in the habit of forgetting to switch off your lights,
and/or ignition.
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