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Stuck Batteries

Discussion in 'General X Camera Forum' started by boulevardier, Mar 20, 2018.

  1. Sarge

    Sarge Premium Member

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    As far as third party camera batteries go.
    I have a few Wasabi brand ones. They are less than a year old. They have worked fine in my X-T1'S. I am very careful to check for swelling each time I charge them though.
     
  2. mfk

    mfk Well-Known Member

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    The swelling occurs when the battery will get too hot and blows out some chemicals.
    Many third party batteries do not have an integrated NTC resistor. In order to hold the price very cheap they are equped with a standard resistor (10 kOhm).
    The NTC does prevent overheating during the charging process in Fujifilm chargers or in the newer X-bodies via the USB port. (Charging current is regulated to a save level)
    Without any risk you may charge these cheap batteries with a save (lower) current, but a double charging time must be accepted.
     
    Mervington likes this.
  3. Mervington

    Mervington Premium Member

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    Very helpful. Perhaps that is why my dual EXpro takes rather longer to charge batteries than the Fuji original charger?
     
  4. Greybeard Photography

    Greybeard Photography Premium Member

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    Ex-Pro claim that their batteries do have overheating protection
     
  5. Carolyn

    Carolyn Premium Member

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    Light goes off.

    I just had a Wasabi “bloat” and get stuck. First time that’s happened and I’ve had them a few years.
     
  6. Mervington

    Mervington Premium Member

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    Sorry, I should have been clearer. I wasn't suggesting that EXpro batteries didn't have protection, but there is at least one post saying that the black EXpros do swell, while the white 'superior' while ones don't.
     
  7. Greybeard Photography

    Greybeard Photography Premium Member

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    I was really responding to the comment by mfk about cheap batteries not having the correct electronics.

    Its difficult to tell from the ExPro web site exactly what the difference is between the black and white versions of the battery. The black batteries claim to have A grade cells and the white version has A+ but its not clear if that is meaningful.

    My black Expros have been fine so far in a year of fairly heavy use but I do plan to spend the extra and get the white version next time I need some.
     
  8. Jeff123

    Jeff123 Premium Member

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    Some of the low price third party batteries are definitely missing something inside. I once bought some really, really cheap "Canon" batteries from a Chinese seller on ebay. Clearly they were fakes based on the price alone. I weighed them and the were about 20% lighter compared to all my known genuine Canon batteries.

    Just weighed my Fuji batteries:
    NP-W126 == 46g
    NP-W126S == 48g
    Watson B-2109 == 50g
     
  9. Dirk Offringa

    Dirk Offringa Premium Member

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    FWIW, I have been using Patona batteries alongside a couple of Fuji originals for 3/4 years and have had no issues at all yet with that brand. Can't spot the difference.
     
  10. paulhodson

    paulhodson Premium Member

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    Yup. I have had two black and two white.
    The black are in the trash now...
     
  11. Greybeard Photography

    Greybeard Photography Premium Member

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    Hopefully you mean the battery recycle bin
     
  12. paulhodson

    paulhodson Premium Member

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    No, charged them up, shorted them out and blew them up.
     
  13. Greybeard Photography

    Greybeard Photography Premium Member

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    Now that sounds like fun - but not sure I'm brave enough to try it
     
  14. paulhodson

    paulhodson Premium Member

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    I was joking! ;)
     
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  15. pluton

    pluton Premium Member

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    4 Fuji batteries purchased in May, 2013. Still working fine, maybe a little less capacity but no sign of swelling. When I decided to buy some new ones, I got Fuji.
     
  16. runswithsizzers

    runswithsizzers Premium Member

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    How would you regulate the charging current? I have two chargers - Fuji OEM and Watson brand - but neither has any controls that would allow changing the current - it's all done automatically.
     
    David Schneider likes this.
  17. Bud James

    Bud James Premium Member

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    I have had swelling with Wasabi Fuji X batteries for my X-T2, but the batteries were probably three years old. Since then, I have only purchased the Fuji brand batteries. I still use the Wasabi charger though.

    Regards,
    Bud
     
  18. mfk

    mfk Well-Known Member

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    In the Fuji charger the NTC in the battery serves for this purpose.
    For OEM chargers and batteries without NTC I would recommend to measure the charging current and keep it on a save level. (200 mA)
     
  19. Greybeard Photography

    Greybeard Photography Premium Member

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    How (I mean without buying extra equipment costing more than the charger)?
     
  20. jknights

    jknights Moderator Staff Member

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    Inside a Lion battery there should be a small circuitboard. This controls charging and discharging, and it should be matched to the battery and its intended use.
     

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