LED solar floodlights - Mercedes Benz SLK Forum
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#1 Old 09-24-2018
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LED solar floodlights

Recently, my neighbour had his car 'broken' into and small items stolen. I say 'broken' into, because he admits he forgot to lock it...

Anyway, our bloc of garages are behind our residential building and comprise a set of three (including mine) which are set back quite a way and another six which are a garage length closer to our lawns, and more visible from the residence, which is probably 100 feet away. Being 'design icons' of the '60s, they are too small to accept modern cars, and were not supplied with electrical power.

Accordingly, I want to install a relatively low cost PIR solar powered floodlight, to deter any opportunistic 'visitors' from tampering with our three cars.

Looking through Fleabay etc., there seems to be a very wide range of styles, prices and claimed performance, both for the light output and the charging/storing capacity.

I'm assuming I'd need a light rated at least around 50w, to provide sufficient light to startle and deter anyone approaching the three garages, and once triggered, I'm assuming the light would need to stay on at least 10 minutes couple of times per night. However, some light units appear to contain an array of SMDs, while other have a single COB type emitter centrally mounted.

I know some of you chaps keep up to date with LED technology for your cars, but does your knowledge and experience extend to exterior lighting?

FWIW, I'm also going put up a couple of signs to the effect of 'Smile, you're now on CCTV..' etc.

Any additional tips or ideas will be very welcome. Thanks!

ETA: Here's one item I'm considering:

https://www.ebay.co.uk/itm/LED-Solar...ckfmpe8kAUphnQ
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#2 Old 09-25-2018
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Home Depot has a very nice solar spotlight for $7, maybe their is a UK source for them as well?

https://www.homedepot.com/p/Open-Sto...10-1/207056190

These use a lithium battery and so far still have a good amount of light when the sun comes back up.
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#3 Old 09-25-2018
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35W should be plenty bright enough. No experience of the solar charging aspect though. Are you able to mount out of reach?


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#4 Old 09-25-2018
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Originally Posted by Windinmyhair View Post
35W should be plenty bright enough. No experience of the solar charging aspect though. Are you able to mount out of reach?
I suppose with LED it's more sensible to look for lumens output, which although often quoted for torches, seems a bit absent on these fixed units. I want that 'flash, surrounded in light' effect for anyone wandering down our drive, so the brighter the better.

One of the reasons I don't want to spend too much, is that I won't be able to mount it completely out of reach, so there's always a danger that a determined miscreant could break it or nobble it in some way.

I'm over 6 feet, and I'll have to use a ladder to install it - at probably about 8 feet, without measuring. Not ideal....
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#5 Old 09-25-2018
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Originally Posted by Mike6F View Post
Home Depot has a very nice solar spotlight for $7, maybe their is a UK source for them as well?

https://www.homedepot.com/p/Open-Sto...10-1/207056190

These use a lithium battery and so far still have a good amount of light when the sun comes back up.
I'll go and have a look-see at our equivalent stores, but I'm skeptical that those small round units will produce enough light, at 15 lumens. I'm arranging to have powerful floods mounted at the top of our drive, driven from spurs off our existing external lights, but I don't want our three garages to be in a 'dark zone'.
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#6 Old 09-25-2018
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Have a look at this one - very good reviews.
Maybe fit two?

https://www.ledhut.co.uk/solar-solar...-80-lumen.html
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#7 Old 09-25-2018
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^ I just checked my 10w Cree torch - chucks out 720 lumens - bright!

I think the type of emitter is critical. I have an idea that COB technology is the most up to date.

Two cheapies might be a good idea, but the available height at the other end of our triple bloc is not much more than 6 feet.

But, as we discussed, if it's too desirable, the light itself might get nicked!
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Too much light and you could get complaints. If you can't mount out of reach, best to look at something hard to steal or break.
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#9 Old 09-25-2018
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So glad you started this thread.

I'm not tech wise.
Reinforced by the number of solar lights that got binned for one reason or another.

Worst aspect is the distance the sensor works and weather proof.

Be interesting to see what comes up.

We have sticky finger types here too.
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#10 Old 09-27-2018
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Originally Posted by Mike6F View Post
Too much light and you could get complaints. If you can't mount out of reach, best to look at something hard to steal or break.
The light-throw would all be well within the confines of our private land. I'm thinking of mounting with tamper-proof bolts on the light, and keeping the solar panel out of sight and reach. I've noted that some of the floodlights have clear acrylic in place of glass at the business end - which of course might not be be possible with hot halogen bulbs. Strike one to LEDs!
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