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Re: Batteriser claims to be able to extend disposable battery life by 800 percent

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"Sylvia Else" <sylvia@not.at.this.address> wrote in message 
news:ct79kgF79afU1@mid.individual.net...
> On 3/06/2015 11:38 AM, Damian wrote:
>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>> news:ct4tn7Fj4asU1@mid.individual.net...
>>> On 2/06/2015 1:47 PM, felix_unger wrote:
>>>>
>>>> http://www.pcworld.com/article/2928997/batteriser-is-a-250-gadget-that-extends-disposable-battery-life-by-800-percent.html
>>>>
>>>>
>>>
>>> I think the claims need to be, if not taken with a pinch of salt, at 
>>> least
>>> understood for exactly what they are.
>>>
>>> The patent
>>>
>>> <https://www.google.com.au/patents/US20120121943?dq=20120121943+A1&hl=en&sa=X&ei=3TxtVf2zNYWO8QXdwYKgDw&ved=0CBwQ6AEwAA>
>>>
>>> states
>>>
>>> "Some electronic equipments that use disposable batteries, such as AA
>>> batteries, are designed to stop operating when the battery voltage drops
>>> by 10% or so. That means when the voltage of an AA battery drops to 
>>> about
>>> 1.4V or 1.35V."
>>>
>>> Now, that may be true, but if the voltage curves shown in figure 7 of 
>>> the
>>> patent are correct, equipment that bails at 1.35 is clearly being
>>> exceedingly wasteful. Note that the claims is only that "some" do. Not
>>> that the majority do, nor that most do.
>>>
>>> By comparison, equipment that's happy to run until the voltage drops to 
>>> 1V
>>> will have removed most of the available energy from the battery. 
>>> Further,
>>> if, as is possible, such equipment contains a linear regulator to 
>>> provide
>>> a constant internal voltage, then adding the Batteriser to provide a
>>> constant 1.5V input will just run the battery down faster as the 
>>> regulator
>>> dissipates more energy as heat.
>>
>> That if the majority of the equipment comes with an internal step up 
>> voltage
>> regulator circuittry.
>> Hardly any consumer electronic device come with that afaik.
>> Many that comes with such circuitry are commercial and scientific 
>> equipment.
>
> It's not a question of having step up circuitry. It's just a matter of 
> what voltage the device requires to operate. If it can operate on 1V per 
> cell then there's no need to provide extra circuity to pump the voltage 
> back to 1.5V per cell. Doing so not only wastes energy in the pump 
> circuitry due to its lack of 100% efficiency,

Yes.

but also wastes energy in
> the 0.5V drop from what's supplied to the device to what it needs.

Nope. They don’t normally regulate it down to that 1V that is all they need.

It just works fine with everything from 1.5V down to 1V.

>>> So my take on this is that it can probably work, but that it will not
>>> deliver anything like the benefits claimed, and in some (how many, I 
>>> don't
>>> know) cases, it will actually be detrimental.
>>>
>> Can you give an example of a case that it can be detrimental?
>
> See above.

Which mangles the story. 

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Re: Batteriser claims to be able to extend disposable battery life by   800 percent "Damian" <damian_andrews75@yahoo.com.au> - 2015-06-03 11:38 +1000
  Re: Batteriser claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-03 16:30 +1000
    Re: Batteriser claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-04 12:14 +1000
      Re: Batteriser claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-04 21:16 +1000
        Re: Batteriser claims to be able to extend disposable battery life by   800 percent BuckyBalls <"The Pres"@yahoo.com> - 2015-06-04 13:37 +0200
        Re: Batteriser claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 11:38 +1000
          Re: Batteriser claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-05 12:23 +1000
            Re: Batteriser claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 15:19 +1000
              Re: Batteriser claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-05 15:42 +1000
                Re: Batteriser claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 15:54 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 19:08 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-05 21:52 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 22:45 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-05 22:57 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 23:11 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-06 13:02 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-06 13:50 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-06 19:51 +1000
                Re: Batteries claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-06 19:59 +1000
      Re: Batteriser claims to be able to extend disposable battery life   by   800 percent BuckyBalls <"The Pres"@yahoo.com> - 2015-06-04 13:34 +0200
        Re: Batteriser claims to be able to extend disposable battery life     by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 11:40 +1000
          Re: Batteriser claims to be able to extend disposable battery life     by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-05 12:25 +1000
            Re: Batteries claims to be able to extend disposable battery life     by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-05 14:54 +1000
          Re: Batteriser claims to be able to extend disposable battery life       by   800 percent BuckyBalls <"The Pres"@yahoo.com> - 2015-06-05 12:54 +0200
            Re: Batteriser claims to be able to extend disposable battery life         by   800 percent Sylvia Else <sylvia@not.at.this.address> - 2015-06-05 23:03 +1000
              Re: Batteriser claims to be able to extend disposable battery life           by   800 percent BuckyBalls <"The Pres"@yahoo.com> - 2015-06-05 16:47 +0200

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