Looking for 2s boost driver

Flashlight Modding and DIY Parts
1

Hello.
I’m looking for boost driver working from 2s battery powering 4LEDs in series aith max current 2-3A.
Any clues?
Mike

2

Taskled boostflex. It might be easier to use a Zener modded linear driver and run them 2s2p. Any 105C could do that for peanuts.

3

This could possibly work….

http://kaidomain.com/p/S020121.Boost-Buck-3-18V-3-Modes-24mm-30W-Circuit-Board

4

Here is one for 5 LEDs, 2.6-3 A:
http://kaidomain.com/p/S020417.5-LED-Series-5-Mode-Low-Voltage-Protection-for-Two-li-ion-Battery-Circuit-Board