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mini pipe, which battery?

Discussion in 'Mini Pipe' started by ted26, Feb 25, 2009.

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  1. MonsterTruck

    MonsterTruck Full Member

    Mar 6, 2009
    Those are rechargeable (SKU 932) :)
     
  2. aldo

    aldo Senior Member ECF Veteran

    Dec 5, 2008
    Greece
  3. Alain_JANTY

    Alain_JANTY Moved On ECF Veteran

    Dec 20, 2008
    France
    Ok but they are 3V batteries and not 3.6 or 3.7 V :(
     
  4. Alain_JANTY

    Alain_JANTY Moved On ECF Veteran

    Dec 20, 2008
    France
  5. ZambucaLu

    ZambucaLu ECF Guru ECF Veteran

    Supporting member
    Nov 23, 2008
    Central NY, USA
  6. MonsterTruck

    MonsterTruck Full Member

    Mar 6, 2009
     
  7. ZambucaLu

    ZambucaLu ECF Guru ECF Veteran

    Supporting member
    Nov 23, 2008
    Central NY, USA
  8. Vince1

    Vince1 Ultra Member ECF Veteran

    Feb 6, 2009
    Down South, USA.
    Do not try the SAFT non-rechargeable ones, they will not work. They check at 3.6 v but for some reason will not work. When you put them in you get the three flashes as normal but when you draw you get 3 more flashes every time and no function. I think the pipe may have a built it amperage detector and the SAFT batteries are rated at 1200 mah. and the ones for the pipe are like 250-300 mah.
     
  9. surbitonPete

    surbitonPete Ultra Member ECF Veteran

    Jan 25, 2009
    North Yorkshire UK
    That seems odd...I would be interested in an explanation from one of our electronics guru's.
     
  10. trog100

    trog100 Moved On ECF Veteran

    May 23, 2008
    UK
    i cant think of one.. there might be a voltage detector.. but there is no such thing as a mah detector..

    the saft batteries do not seem to be the right type.. rechargeable lithium ion cells of the lady pipe size are not 1200 mah.. such things do not exist... they are at the most around 300 to 400 mah capacity..

    could the saft ones mentioned be 1.2 volt metal hydride cells.. if so they will not work.. the pipe will think it has flat batteries.. ???

    someone needs to put a voltmeter on these things..

    trog
     
  11. surbitonPete

    surbitonPete Ultra Member ECF Veteran

    Jan 25, 2009
    North Yorkshire UK
    Ahh....Too low a voltage would make sense.
     
  12. Vince1

    Vince1 Ultra Member ECF Veteran

    Feb 6, 2009
    Down South, USA.
  13. Vince1

    Vince1 Ultra Member ECF Veteran

    Feb 6, 2009
    Down South, USA.
    Also the pipe flashes 20 times for a flat battery. with these installed it flashes 3 times like when you put a fresh one in and it flashes 3 times each time you puff on it.
    Strange. I think I may drain one a little and see if it works.
     
  14. surbitonPete

    surbitonPete Ultra Member ECF Veteran

    Jan 25, 2009
    North Yorkshire UK
    It's possible 3.6 v is the point at which the mini pipe electronics say a battery requires recharging....the rechargeable batteries work best if they are not allowed to drain too much power before recharging....as far as I know the 1200 mah should just have meant that it should have lasted a long time before it run out of power.

    Oh I hadn't seen the bit you said about it only flashing the three times and not the 6
     
  15. Vince1

    Vince1 Ultra Member ECF Veteran

    Feb 6, 2009
    Down South, USA.
    So, I held the battery on a 12v 5w light bulb for like 30 minutes. It got rather warm but still shows 3.55v checked with 2 different meters. One tuff battery. But my rechargeable shows 3.65v so this makes no sense to me. Have you ever heard of an amp. limiter?

    Also have tried 4 batteries, all same results.
     
  16. trog100

    trog100 Moved On ECF Veteran

    May 23, 2008
    UK
    odd... in theory any 3.6 volts supply should power the pipe i would have thought....

    has anybody actually put a volt meter on freshly charged lady pipe battery ..

    a 3.6/7 volts ones read 4.2 volts fresh off charge...

    the 3 volt ones read about 3.5 volts fresh off charge..

    the rated voltage for these thing is basically wrong.. they are .5 volts higher than the so called rating.. the voltage drops off as the battery runs down..

    the lady pipe might run off the so called more common 3 volt (3.5 fresh off charge) batteries.. i dont have one to look at so i dont know.. but a claimed capacity of 1200 mah is about three times what that size cell should be..

    now they appear not to work makes the mystery deeper..

    trog
     
  17. surbitonPete

    surbitonPete Ultra Member ECF Veteran

    Jan 25, 2009
    North Yorkshire UK
    both my charged batteries are reading over 4.1 volts.....I will measure the voltage drop when one starts flashing for a recharge
     
  18. Vince1

    Vince1 Ultra Member ECF Veteran

    Feb 6, 2009
    Down South, USA.
    You are correct Trog. 4.19v fresh off the charger. I think the manual says the low volt cut-off is around 2.2v

    Lots of places make the 1200mah claim-http://www.megabatteries.com/item_details.asp?id=14511&cat_id=89

    But I don't think this applies to actual amps?
     
  19. smog

    smog Senior Member ECF Veteran

    Jan 24, 2009
    England
    I think this is your reason
    Lithium thionyl chloride Batteries have a high internal resistance
    so can only output low currents ,upto about 100mA I think .they
    have a very long shelf life though and very low self discharge rate .This
    is why they are used for low current,back up power supplies.etc
    they can't supply enough current to run a e-pipe though.


     
  20. surbitonPete

    surbitonPete Ultra Member ECF Veteran

    Jan 25, 2009
    North Yorkshire UK
    It sure is a mystery because I am pretty sure your batteries 'should' power the pipe even if they aren't rechargeable. With !200mah...they should just last for quite a long time before they run out......the only thing that would make any sense to me for why they don't work is if the pipe is set for a recharge at 3.6 volts.
     
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