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EarPods and headphones with batteries made in China

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  • User profile image
    androidi

    http://www.heraldsun.com.au/news/victoria/safety-warning-after-batteryoperated-headphones-explode-on-longhaul-flight-to-melbourne/news-story/8ad400f5c676001fd01da36d185cb306

     

    Trump should take this opportunity to ban Made in China/Taiwan batteries from any devices that could be inside airplanes cargo,belongings or electronics. I can't remember when Made in Japan or Germany batteries exploded so this problem is clearly China related.

    This problem could be also related to why Made in China plastics, rubbers, synthetic materials often smell funky. eg. Maybe they put some sort of smelly material inside the batteries then when the battery heats up it starts smelling more and the pressure builds inside.

    The problem with China products is they often copy the looks, or perhaps they analyze what materials something has and then use same materials to copy a product but even if something looks like water and IS water, that water could have properties and states that don't show up in the tests used. eg. Perhaps molecyles of the water were in another dimension if it was water from near Fukushima reactor... but this fact might not have shown up with the analytics equipment the chinese used to copy the "magic water from Japan".

     

  • User profile image
    cheong

    Humm... The problem is most batteries are "researched" in China then manufactured in Southeast Asian countries like Vietnam (For example, the batteries that made Samsung Note 7 explode is such model - Samsung cooperated with a China energy research firm to design the battery, then take it to lower cost Vietnam for manufactoring). There are law governing the use of "made in ..." and "assembled in ..." but no law in "designed in ..." which should be more relevant for the said problem.

    However, note that "designed in ..." is very easy to be faked because technically if your firm set up a small office of one or two people in country A and named it "R&D department", it's very difficult to defeat the claim a product in that company is designed in country A. 

    And btw, Taiwan don't make batteries because the cost would be prohibitively expensive.

    And btw * 2, you shouldn't use rechargeable batteries products on a plane. They can be categorized as pressurized product and in theory you should not even take it on a plane because it may explode in a lower operating air pressure if the design had not cater for the change. (I think you should have already seen long used rechargeable batteries that expand and deforms the case because of accumulated internal gases) The airplane companies allows you to take it with you in hand-carry luggage for your convenience, but for your own safety, you should still avoid using them on a plane.

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  • User profile image
    androidi

    From what I've heard part of it is also a "business culture and expectations" type of issue. As that's vague/broad, I'll try to illustrate what I mean by that with two imaginary orders (I used house in this example as I know there's a lot of "house buyers" that operate like this - they don't specify much detail, yet even if you don't specify detail, you have certain expectations of what you get for your money):

    - Order(1) a "house with furniture", delivered and set up in location y with maintenance budget z/yr. 

    - Nothing else than the above is specified.

    - Order is made to 500 different people per country/theoreticized "business culture"

    - Now repeat the same order but this time set a max budget x+inflation adjustment +allowance, based on the median of the lowest price quartile of which of the houses from the previous order(1) met your quality criteria. This is Order(2).

    If there is a "business culture and expectations" type of thing in play (affecting quality), one should see a statistically significant skew in the "delivered to budget furnitured houses"-quality* that persists if the test is repeated.

    If my theory is correct, "furnitured houses made to budget" from some countries would rate consistently lower.

     

    Why? Well I would imagine that that higher % of the people taking this contract from the lower rating country/culture would have "business cultural" reason driving their approach to the project/contract that gets them immediately to a worse start: eg. they might not do thorough investigation and research at the target/delivery site - eg. perhaps as "test buyers" had intentionally chosen a site that is not suitable for building - such as on top of toxic waste dump. I've investigated why it is that schools and houses built by government cronies always end up near these waste dumps. If the "business culture and expectations" were "best they can" the seller would take into account their brand, image, pride and deliver the house to alternate location or demand cleaning up the toxic waste first. If the culture was "worst" then the probability of the builder building straight on the dump would be higher.

     

    * About quality rating: If quality metrics are unknown, a comparison methodology could be developed by studying/measuring/feeling-sensing differences of the houses delivered. (this was to avoid going into details of what makes a high quality house and how to deal with ranking unknowns)

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