Recommendations good quality 3a driver for XML / XM-L2

Hi all, looking for a good quality (no magic smoke) or meltdown honest driver board 16-17mm for XM-L2 U4 emitters on copper , believe its 3amp and will need to work with multi cell

Any Suggestions?

Dr.Jones H17F, L4P LD-A4, Qlite 3.04A...


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Thank you for the info sadly these are all single cell drivers, really looking for multi cell and hoping to overdrive a little as its on a copper sink plate with a good heatsink , i was thinking about 3500ma should be pretty safe? Anybody?

You should have mention it... cell number is Important stuff while making this kind of decisions.
So you need buck driver

sorry im very new to this forum normally i just feed my obsession off the shelf flashlights, but reading the posts on hear has awakened a darkness, iv got a couple of throwers i really want to tune up , one is a Crelant 7g5cs (with aspheric) the other is a 2 cell nightmaster Xsearcher , I believe (After hours of googling) I need to run dedomed XM-L2 U4 on copper sink plate with a slight overdrive.. not looking to melt the thing so only a slight over drive to keep it highly reliable , yes needs to be a buck step down, i must have looked at 200+ driver boards tonight and i dont seem to be able to find anything in the 3-4 amp range thats multi cell , oh i guess i should also mention they need to be 17mm