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  1. #1
    because GIANT
    Reputation: 127.0.0.1's Avatar
    Join Date
    Nov 2013
    Posts
    2,776

    Cheap light blink circuit eats batts or thinks it does ? WTF

    OK,

    cheap light I wrote about earlier
    United PA light XC40, dual beam.




    well...

    in blink mode, it will run maybe 30 minutes then stop
    and refuse to relight.

    in solid mode it will run 2+ hours just fine

    I use 4x18650 3400mah 2s2p pack, and the first time I noticed
    this the batts were all down to 2.80 volts. so I reckon yep, of course.
    I had those batts sitting in the light for some weeks and parasitic drain did it.

    But I happened again, after fresh charge, and I yanked them and they are all 4 volts !

    the blink cycle is not a flash, it is a quick on-off-pause-on-off not quite
    a rapid flash.

    what is in the blink circuit design that makes the light think it is kaput when it really isn't ? or is that just how cheap circuits roll and it is a toss of the dice ?

    summary: United PA light = garbage ! (I will still use it for snow rides tho)

  2. #2
    RAKC Industries
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    Join Date
    Jan 2017
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    2,166
    That's the same as the nitenumen that was written about a couple years ago.

    Your just played the lottery and got the consolation prize lol. Better than losing all together

    Sent from my SM-G950U using Tapatalk
    Life on a bike doesn't begin till the sun goes down.

    US partner for Ravemen:
    www.rakclighting.com

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