COCO LI Deals & Sales for 2016 - HotUKDeals
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COCO LI Deals & Discounts

1
272Expired

1000 LUMEN CREE XM-L U2 LED now £10.30 delivered @ amazon

61
shipped from UK, i have one of these and its the brightest torch i have seen, i have a led lenser P7 and this is much brighter, best used with a 18650 battery UPDATE gone up by £1 was £9.30 but stil…
shadow1 Avatar3y, 10m agoFound 3 years, 10 months ago61 Comments
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bouncy99
one question. led's are meant to be super energy efficient, however it just seems that none of these led torches are. they all seem to be very bright, and only last an hour on a stupid high spec none cupboard standard battery? What is the big draw with these torches?

LED's are very efficient, but you can't break the laws of physics. If you want huge light output then even an efficient LED requires quite a lot of current. If you wanted the same light output with a filament lamp the battery life would be significantly shorter.

If you want long battery life then that is quite doable, but you have to settle for lower light output. This is why most quality LED flashlights have selectable output levels.
bouncy99
one question. led's are meant to be super energy efficient, however it just seems that none of these led torches are. they all seem to be very bright, and only last an hour on a stupid high spec none cupboard standard battery? What is the big draw with these torches?

Well, it's a fact these Cree LEDs are more efficient than pretty much anything you can usually buy in this country. That doesn't mean they will last a long time when run at full power, it just means they have the best ratio of lumens (light) per watt (power) consumed.
For batteries go for Samsung, Panasonic, Eagletec, there's a few other good makes. Avoid anything-firewhen it comes to batteries. (Trustfire, Ultrafire etc)
Sharpharp
Reading about the 18650 batteries, lots of reviews on Amazon saying they are prone to pop when charging...

Is this one not better? 1800 Lumens and powered by AAAs.
http://www.amazon.co.uk/Ultrafire-Lumens-Zoomable-26650-Flashlight/dp/B0092Q1N7W/ref=pd_sim_sg_4

I find that the protected Ultrafire cells from DX are very good indeed. Totally reliable.
mikerj


Don't make the mistake that you can treat Li-ion like NiCd or NiMh batteries, which are inherently safe technologies.

Royal Mail haven't made that mistake - they're banned when sent on their own:

Prohibited Items:

Batteries that are classed as dangerous goods by the latest edition of the Technical Instructions for Safe Transport of Dangerous Goods by Air published by the International Civil Aviation Organisation (ICAO) including wet spillable lead acid/lead alkaline batteries (e.g. car batteries), used alkaline and nickel metal hydride batteries, lithium batteries when not sent with or in equipment and damaged batteries of any type.
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