Looking for a 17mm single cell lithium boost driver, LED has 4V 700mA

Lexel

Enlightened
Joined
Sep 15, 2016
Messages
457
Location
Germany
I am looking for an LED driver that boosts my 3-4.2V 18650 Convoy S2+ Nichia UV flashlight

With 18650-30Q Battery the time on full brightness is very limited and dimming quickly

So I am looking for a driver which is boost but actually can take more input than the usual 1-3V I found

LED runs at 4V and 700mA, Can change sense resistor if driver has higher current or add some resistor parallel to the LED

this is my beaty UV light
IMG_2377.jpg
 

lava

Newly Enlightened
Joined
Aug 29, 2011
Messages
30
I am also looking for a 17mm boost for UV LEDs with programmable current and Vf up to 8V, for use in a Convoy S2+ and S3 host. Anyone?
 
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