I was looking at one that was more expensive so I didnt want to pay double and still have same output
But this is a similar price to what I would pay for a 3500 lumens.
Chances are that the ebay seller is bending the truth at least a little. You have to be careful with chinese lumens. I could type whatever number of lumens you want on that page, but it wouldn’t make it so. Im no expert on HIDs but I can say with relative certainty you’ll need a new driver.
Check out some of the cree XHP70 builds on the forums. You can get 4000 real lumens, with less input power and the emitter is much smaller, making the light project further (called throw). The XHPs have some of the prettiest tints i’ve seen, they’re neutral white, and it might change your mind about cool white being a requirement.
So I’ve only recently started playing with some of the budget high-wattage COB modules. What I’ve discovered so far is that there seems to be a lot of variation performance… Also, coming up with the 36V High-Current power supply in a pack that will last a useful amount of time, while remaining safe and rechargeable, is difficult. (or extremely expensive)
i just love the ridiculous amount of light on that bicycle, replete with HID ballast and battery.
have you considered trimming way back to a soup-can style light? The Noctigon M43 Meteor can do 7-8,000 lumens real floody. And you could flood it out even more by maniuplating the glass.
Then you could ditch the SLA battery, ballast, wiring, etc.
I know that’s exactly not what you wanna hear, being you’ve got some custom built stuff going on there you’d like to utilize.
But 7-8000 lumens though.
Anyway what kind of run time are you getting off that little lawnmower battery you got there? Do you carry it in the house to charge it? You might have to step up and wire in an alternator off the back wheel or something lol
The really big lumen numbers come from multiple XHPs, or for really really crazy numbers, look at Cree’s CXB series. Not cheap for sure, and get ready to break out the copper heatsinks and the fans.
My main worry with this combo is reflector though.
Reason for not using a standard driver board means I can set my own current and also means I have on/off, not on/on a bit/on a bit more/annoying flash/off!
Yes absolutely you can as long as the driver can handle the extra current. You get a bit of an efficiency boost the more emitters you run in parallel, because each emitter doesn’t have to be driven as hard for the same amount of light output out the front.
Cree’s max drive current is treated more as a suggestion here on the forums……the XHPs turned out to be tougher than expected and they can take a lot more current than you think. Just make sure you have good heatsinking with you want to overdrive.
Its a 80 x 65 x 10 block of aluminium with a heat sink on the rear to dissipate the heat. It will never be on for more than a few mintes, the aluminium block is to soak up the extra heat then release when off
So now its just Reflectors to use. I need something with around a 30-40mm cone
About those $10 100W ebay leds, they will pull 100W alright but they will not give you the light output that is supposed to go with that power. This guy explains very well why that is. The video is 13 minutes but it gives a lot of insight.
I'm afraid that premium performance costs a bit more money..
I couldn’t have said it any better. Sure a hundred watts is a hundred watts but it’s The efficiency is what’s important. LEDs don’t work like incandescents.
For some reason, if i buy from china its all fine and arrives in 2-3 weeks
If i buy from America i get hit with import duty + an £8 handling fee courtesy of Royal Mail!
Ill continue looking.
Thanks again for your help, with your input im already going to have a much better light
I did also post on candlepower… But when googling the address, i saw a youtube video someone posted of being banned, and in the comments someone said this site was better.
Here we are, approximately 14 hours later and a candlepower mod hasnt even approved my post so i havent had any responses.
On here, my question was posted and i got the valuble answers i needed in i think less than an hour
