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5v battery life?

Discussion in 'Moju Republic' started by shatner, Jul 18, 2010.

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  1. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    Hey guys,

    I have a Maksi that uses the custom 5v batteries. Is it normal for the battery life to only be ~30 minutes of heavy vaping? I have 2 chargers and 4 batteries and rotate them. The batteries run out so quickly that it's a constant cycle. If I had less than 4 batteries I'd be dead in the water for a little while.

    Is this normal? These batteries only have ~3 weeks of use.
     
  2. Distorted.Clarity

    Distorted.Clarity Moved On ECF Veteran

    what is the mAh of the batteries?
     
  3. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    400mAh sorry. Slipped my mind.
     
  4. Distorted.Clarity

    Distorted.Clarity Moved On ECF Veteran

    do you have a voltmeter to test the charge?
     
  5. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    Nope. I have 4 of these batteries. They're all the same; they all discharge very quickly. I'd think if this is the norm or not others with the same model will chime in. These are custom batteries specifically for the Mako Maksi.
     
  6. smokindeuce

    smokindeuce Unregistered Supplier ECF Veteran

    Sep 22, 2008
    UK
    hi shatner - how long are you charging the batteries for?
     
  7. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    Until the light on the plug turns green. About 2 hours. I did an initial 8 hour charge on all batteries. It was the longest 8 hours of my life.
     
  8. Distorted.Clarity

    Distorted.Clarity Moved On ECF Veteran

    your charge life sort of sounds mathematically correct.
    i'm brain farting so i cant figure out how to turn mAh @ volt = time
    on a heavy vape day i can go about 8hrs or more on a 900mAh @ 3.7v
    about the time i charge them is when they get to about 3.4v, they start off at 4.13v on a full charge.
    so if you are starting out with 400mah @ a base rate of 5v, i wouldn't expect them to last to long.

    if i cut my mah down to 450mah, i would get about 4hrs, increase the output voltage by 1.6v and droop that down even more.
    even with the lower numbers you have on mah i would think you would get more than 30mins of vape.
     
  9. smokindeuce

    smokindeuce Unregistered Supplier ECF Veteran

    Sep 22, 2008
    UK
    Hi Shatner -

    Try charging the batteries overnight and you will notice a marked difference in runtime. When the charger turns green it has only hit 5V after this it trickle charges (to avoid causing damage) up to 5.8V.

    So if you are currently removing the battery after 2 hours, it has by no means reached full charge.


    You should be getting between 3-6 hours off each battery depending on useage. :)

    Please let us know how you get on after you charge them for the correct amount of time as stated in the instructions.

    Hope this helps. :)
     
  10. smokindeuce

    smokindeuce Unregistered Supplier ECF Veteran

    Sep 22, 2008
    UK
    Shatners charge life is definitely incorrect due to not charging the battery for long enough. ;)

    These 5V batteries are true rated @ 400mah. The true rating of a 3.6V 14500 is closer to 600-700mah.

    The 5V batteries should be 5.8V when fully charged and trail around 4.6V.

    By your useage of the 14500 (8 hours), you could expect to get around 4-6 hours from these 5V batteries. :)
     
  11. Distorted.Clarity

    Distorted.Clarity Moved On ECF Veteran


    i knew about the trickle but didn't know you had to drop them on for extra time after the led switch. good to know, if i run into this issue.
     
  12. smokindeuce

    smokindeuce Unregistered Supplier ECF Veteran

    Sep 22, 2008
    UK

    No worries DC.... :)

    We recommend in the instructions which go out with them to charge for 6 hours - overnight. They will definitely be freshest after an overnight charge ignoring any of the LED's. ;)
     
  13. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    Well I usually unplug all my chargers at night out of habit. Lastnight I left them plugged in. I just put a fresh battery in so here's a time stamp. I'll update this thread when my battery dies.

    Keep in mind I'm a chain vapor.
     
  14. smokindeuce

    smokindeuce Unregistered Supplier ECF Veteran

    Sep 22, 2008
    UK
    Thanks Shatner :) - it will be interesting to see how these fair if you're chain smoking on them. I've tested them previously pretty intensively, but of course results can vary. ;)
     
  15. Distorted.Clarity

    Distorted.Clarity Moved On ECF Veteran

    would this same rule of charging apply to my trustfire 14500 and 10440? they don't seem to charge longer than about an hr but have a voltage of 4.13 when done.
     
  16. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    Well, the first one just died. Onto the second battery. And my switch keeps getting stuck. It only has like 1/2mm of travel. It activates in any position. This isn't causing the battery to drain: I've tried puffing on it when not pushing the button and it doesn't give vapor.

    I'm This close ----| |---- to putting this away and writing it off as a business expense.:(
     
  17. Distorted.Clarity

    Distorted.Clarity Moved On ECF Veteran

    since the first time you got this setup did you always only get 30mins of vape time?
     
  18. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    Well, for the first month it was in my posession I couldn't use it at all. The adapter supposedly came from a bad run and there was NO draw.

    They sent me a new adapter and I recieved it about 5-7 days ago. And yes, ever since I've had crap battery life.
     
  19. Distorted.Clarity

    Distorted.Clarity Moved On ECF Veteran

    may just be that you have a batch of bad batteries.
     
  20. shatner

    shatner Resting In Peace ECF Veteran

    Jan 12, 2010
    Houston, Tx.
    There goes the second battery that was charged overnight. My Tornado had better battery life.
     
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