Frelux Synergy3 Manual

Thanks for purchasing a Synergy3 light! Below is the online manual and specifications (subject to change and a work in progress).


2x AAA OR 2x Button Top 10440 - Don't mix cell types

Never mix cell type and always change both batteries at the same time.
The light can be operated with a single cell of either type with a shorter run time. Again, never add a fresh cell with a depleted cell, if using two cells ensure both are fully charged before using them. The battery orientation is noted on the back cap of the light and is positive side in.


Tested and confirmed compatible batteries, 10440 are recommended:




Synergy3 Operation:

Physical Lockout

Turn Button Clockwise: This will physically lock the button preventing accidental power on. Alternatively it could be locked when the light is on to prevent accidental power off.
Turn Button Counter-Clockwise: This will unlock the button.

Memory Mode

Momentary Press: This is activate the memory mode when the light is in either the ON or OFF state.
Press and Hold: When the light is on, press and hold the button to begin ramping the light level up or down. You can reverse direction by releasing and then performing the same press and hold action. The light level you are at when the button is released is the new memory mode setting.

Turbo Mode

Double Press: When the light is in either state, On or Off, a double press of the button will go straight to turbo mode.
Single Press: When the light is on after turbo mode activation and single press will turn it off.
Double Press: When the light is on after turbo mode activation, double press a second time to jump to memory mode.

Moonlight Mode

Press and Hold: When the light is off, press and hold to activate moonlight mode. This is the lowest output possible with the Synergy2.
Single Press: With moonlight mode active, a single press will turn the light off.

Frelux FPV-AAA Driver:

The driver and firmware were designed specifically for the Synergy3. While this is a very large undertaking for a small firm, I felt it was necessary to ensure high quality components were used and that it worked exactly how I wanted. It is manufactured in the USA and has the following features:

  • Constant Current Driver
  • 2x AAA OR 2x 10440 (Standard use - Don't mix cell types)
  • Single Cell Capable (Emergency or weight reduction - Never add a fresh cell with a depleted cell)
  • Low Voltage Protection (short override capable)
  • Over Temperature Protection (short override capable)
  • Physical Reverse Polarity Protection
  • Maximum Sleep Mode Efficiency (< battery discharge rate w/ Li-Ion)
  • Proprietary ramping firmware with Frelux UI


Low Voltage Protection

Level 1: Current reduction to 300mA at 3.1v 2 seconds after last switch press
Level 2: Driver shutdown at 2.8v 4 seconds after last switch press

Over Temperature Protection

Level 1: 55c lower output to 750mA (if higher) 3 seconds after last switch press
Level 2: 85c Driver shutdown 5 seconds after last switch press

To swap the pocket clip to the other side of the light you can watch the video below: