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    NiMh Batteries?

    Thanks guys, Very useful information.
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    NiMh Batteries?

    Do most of you modders user NiMh batteries in your mods, and if so what do you do to prevent cell reversal and damage? I imagine a voltage protection circuit would not fit in a modded flashlight too well.
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    Low-Voltage detection circuit

    MrAl, Just ressurecting this thread So what do other CPFers do, or do they not use rechargeables in their flashlight mods?
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    Low-Voltage detection circuit

    MrAl, How likely is it that the batteries would run down differently like that? If the batteries are the same brand, and rating and have been always been charged/discharged together then in reality what is the likelyhood that they will behave in that manner?
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    Low-Voltage detection circuit

    MrAl, Would it be possible to actually run a subset of this circuit against the entire voltage (e.g. 2.4 for 2 AA's) rather than for each battery, or is that not reccomended?
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    Low-Voltage detection circuit

    MrAl, That is fantastic!! It is great that people on CPF are so helpful. I really appreciate it. FrogBoy.
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    Low-Voltage detection circuit

    Wonderful, Thanks so much MrAl
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    Low-Voltage detection circuit

    MrAl, Size isn't too much of an issue with me in the project I am currently working on so I am not too concerned with package size (in fact given my soldering skills, larger is probably better) In terms of parts, I could probably get a hold of more exotic parts, but it is going to be much...
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    Low-Voltage detection circuit

    MrAl, Being faily new to electronics, I am keen for option #1. Is it possible for you to draw up a schematic for me? What sense chip would you use? Would a National LM311 do the trick? Thanks
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    Low-Voltage detection circuit

    Mr Al, I am keen to build one. Any help would be greatly appreciated.
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    Class 2: Horned Toad

    Re: Luxeon bicycle headlight mod Flatscan, I like the way you have done the heatsink. You will definately get plenty of air moving past that Happy Riding
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    Low-Voltage detection circuit

    Hi, Does anyone out there have a schematic for a basic low voltage detection (or protection) circuit to prevent damage to NiMH batteries when driving luxeon LEDs? Thanks
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    Newbie - Which Board?

    Flatscan, So how would I go about putting some sort of a low voltage battery protection circuit in there? Does anyone have some sort of a schematic?
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    Newbie - Which Board?

    Thanks for the info, I was thinking about using NiMh batteries, but have read about some issues with the voltage dropping too low and damaging the batteries. How does this happen, and how do you prevent it?
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    Newbie - Which Board?

    Thanks Flatscan, You have definately been a huge help in all of this research I have been doing. My one question that I really haven't figured out yet is if I am running 2 1w Lux's in series, How much voltage needs to be going into the BadBoy?
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