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  1. AndrewL

    What battery connectors for mtb lights?

    I just used 4mm plugs, cheap and easy to connect and handle the amps I was expecting to be drawing
  2. AndrewL

    battery for bike lights

    charge togeather if you can
  3. AndrewL

    help wanted making a simple like for airsoft

    a while ago I built some bike lights which though very simple do work very well and I fancy making a light for airsofting on the cheap. My bike lights used a philips masterlin MR16 bulb, an old bike light housing, standard cermic socket and was just connected to the battery via a couple of 4mm...
  4. AndrewL

    delta V cut off advice on battery charger

    packs are made from AA cells claiming 2700mah (better power ones like lighthound sells), 12cells in one pack so 14.4nominal and togeather a claimed 5.4ah (though I suspect it's really 5ah) My charger is this one (powerd by a PC power supply)...
  5. AndrewL

    delta V cut off advice on battery charger

    by discharge them I do only mean a tiny amount, one gets charged the day before the other so theer is normally a slight difference in the voltage
  6. AndrewL

    delta V cut off advice on battery charger

    true, but I might not have asked the right question. My charger does say to charge at 1/10C if possible anyway which I don't quite do but I don't give it a fast charge. If I'm just topping the battery up then I'll put it on for a while in the everning and switch it off before it's fully...
  7. AndrewL

    delta V cut off advice on battery charger

    thanks I'm not sure what the defualt is but I will set it to that I assume it's the same for one cell as it will be for a 12cell pack
  8. AndrewL

    delta V cut off advice on battery charger

    my multi pupose battery charger doesn't seem to be cutting off the charge cycle and I'm not quite sure why. It's putting much much more juice into teh cells then they hold and seemed to be staying at around 1.56v (charger reading my volt meter gets less from the battery maybe 1.42v or so) for...
  9. AndrewL

    over discharge of NiMH (after advice)

    I get an extra 0.7volts under load with the two sets in parrallel, even with one set it's still overdiven (13.9volts) The cell didn't fall to the floor, the battery holders are kept inside a bag which I strap to my bike frame (maxpedition M2) I shall keep running the packs togeather and just...
  10. AndrewL

    over discharge of NiMH (after advice)

    about 2amps (it's a 20w MR16 bulb overdriven with 14cells) The cells are teh better power 2700 ones (which are really about 2500mah) The reason I wired them up in parrallel to begin with was to make it less hard work for the cells
  11. AndrewL

    over discharge of NiMH (after advice)

    for cost reasons I ended up building my bike light battery pack with 2 lots of AA cells in parrallel rather then a single lot of C cells I got a problem with a cell falling out of one pack and then reconecting causing overdischarge of some cells (thankfully I check the cells quite often so it...
  12. AndrewL

    DiNotte 500L bicycle headlight

    ahh sorry, ignore the fool
  13. AndrewL

    DiNotte 500L bicycle headlight

    the orb raw had an option of a red led giving 190lumens before they had the Cree option so I'm guessing it uses those
  14. AndrewL

    car bulb shootout

    doesn't blue light get most effected by fog anyway? I thought it was like the sunset being red when the light has to pass through more particles in the atmosphere
  15. AndrewL

    silly charging question

    doh I meant to say 5ah put into the pack so never fully charging it (or charging it to the capacity of the weakest cell). Thank you for your advice
  16. AndrewL

    silly charging question

    I was getting that impression when reading the post (sounds like you really know what your on about) I hadn't thought about the differences in my solding (for example) being a problem when charging. I've been intending to charge the pack fairly slowly anyway (the charger recomends 1/10 the...
  17. AndrewL

    silly charging question

    I thought it might be better to change each set on their own. AA cells were used for a number of reasons (some of which aren't an issue anymore). I have thought that if I can balance the 2 sets up so that each pack has the same capacity it might be safe to charge them togeather. I also thought...
  18. AndrewL

    silly charging question

    I bought a fancy charger to use with my bike lights and anything else I get that needs charging. The charger can be seen here http://www.alshobbies.com/shop/lookupstock.php?pc=6209&Desc= I've modified a PC power supply to provide me with a 12v (or there abouts) power source for the charger...
  19. AndrewL

    flashing multiple Luxeon? (red Luxeon rear bike blinker)

    I'd go for all enclosed if possible At most you want a battery pack powering both front and back lights which each thing being quick to fit. I have a cateye runnign in chase mode with a load of reflective bands added to the daisy chains of my pack will heat be problem if the LEDs are strobing...
  20. AndrewL

    Gladius with a Cree

    did they ever develope a remote switch for weapons mount option? (or a bike handle bar) I'm guessing you could run it off 3v RCR123s

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