Gimpy00Wang said:
I received the light today. I am curious...given the low Vf of the TW0H, would it still be safe to use a RCR123? I'm guessing yes, but wanted to make sure.
- Chris
Chris, glad it got to you safely.
I can't recall if I tried it with a RC123 (with protected over-discharge circuit) but I think I did.
This is what I got on the NexGen from
here -
Nexgen:
Maximum Vin: 6V
Maximum Vout: 6V or Vf which ever is lower.
Output Regulation: Semi-regulation, Full Constant current regulation. Note1:
Open Load Protection: No
Output adjustable: Set by two SMT (0603) resistors. See Resistor Calculator
Output Current formula: 0.05 / Rsense = Iout
Efficiency: 80%~91%
Maximum Output: 1A
Vin overdrive voltage: Vout+0.7V
Tallest Component: 3mm
Compatibility: Sandwich, ECan, Aleph Light Engine
Diameter: 0.55"
Technology: SMT Components top side only, Battery anode pad backside
Note1: Safe mode is ~1.5A input current. If output doesn't go into full regulation it falls back to safe mode. For a Nexgen 750mA or Nexgen 1A, this critical starting voltage is ~3.4V. Input voltages above this will start the regulator into full constant current regulation and it will regulate down to ~2V input. A Nexgen 500mA will almost always start in full regulation mode.
I hope someone can help confirm if it's OK to do so.
to you for the $10 refund. :thanks: for buying Cyril's great light!
