Re: Advice needed regarding circuit with SLA batt in tin shed
- From: "Jason S" <jst3712@xxxxxxxxxxxxxx>
- Date: Sun, 4 Dec 2005 13:29:41 +1100
"Rich Grise" <rich@xxxxxxxxxxx> wrote in message
news:pan.2005.12.03.19.20.07.721343@xxxxxxxxxxxxxx
> On Sat, 03 Dec 2005 15:57:39 +1100, Jason S wrote:
>
>> Need some advice!
>>
>> I am designing a circuit for a small tin shed that requires backup power
>> from a 12V SLA battery. It's an alarm with added features such as LED
>> lighting and other additional features.
>> All the circuitry will be in a "IP65 Sealed ABS Enclosure" (Size HB-6132)
>> from Jaycar Electronics, which has pretty thick walls, and inside the box
>> will be a small 12V SLA battery that will be kept on float charge (for
>> backup) and the PCB's to make it all work, including the power
>> supply/charging circuit.
>>
>> My concern is the heat in the shed which may affect the SLA's
>> performance.
>
> I can't really add to the others' advice here, other than, "ventilate the
> shed" and "shade the shed". What's it cost for a bit of corrugated metal
> or sheet metal to put a "false roof" over the shed? "45-50 degrees
> celcius"
> is really quite warm - what's the outside air temp. when it's like this?
>
> I also like that other poster's suggestion about using photovoltaics,
> which could serve double duty.
>
> Good Luck!
> Rich
>
>
Thanks Rich for the suggestion. But I'm sure the inside temp wouldn't be
*that* much cooler if I went with that option? Could turn out to be quite
expensive too.
J
.
- References:
- Advice needed regarding circuit with SLA batt in tin shed
- From: Jason S
- Re: Advice needed regarding circuit with SLA batt in tin shed
- From: Rich Grise
- Advice needed regarding circuit with SLA batt in tin shed
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