Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > aus.computers > #46545

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

From Sylvia Else <sylvia@not.at.this.address>
Newsgroups aus.computers, aus.electronics
Subject Re: Batteries claims to be able to extend disposable battery life by 800 percent
Date 2015-06-06 13:50 +1000
Message-ID <ctf914F878gU1@mid.individual.net> (permalink)
References (16 earlier) <ctdgscFp4hdU1@mid.individual.net> <ctdjvtFpttlU1@mid.individual.net> <ctdklkFq3raU1@mid.individual.net> <ctdlg1FqalgU1@mid.individual.net> <ctf65gF7kt0U1@mid.individual.net>

Cross-posted to 2 groups.

Show all headers | View raw


On 6/06/2015 1:02 PM, Rod Speed wrote:
>
>
> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
> news:ctdlg1FqalgU1@mid.individual.net...
>> On 5/06/2015 10:57 PM, Rod Speed wrote:
>>>
>>>
>>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>>> news:ctdjvtFpttlU1@mid.individual.net...
>>>> On 5/06/2015 9:52 PM, Rod Speed wrote:
>>>>>
>>>>>
>>>>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>>>>> news:ctd77pFmnt8U1@mid.individual.net...
>>>>>> On 5/06/2015 5:49 PM, Rod Speed wrote:
>>>>>>>
>>>>>>>
>>>>>>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>>>>>>> news:ctcrs0Fjup5U1@mid.individual.net...
>>>>>>>> On 5/06/2015 3:42 PM, Rod Speed wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>>>>>>>>> news:ctcprsFjgfkU1@mid.individual.net...
>>>>>>>>>> On 5/06/2015 2:50 PM, Rod Speed wrote:
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>>>>>>>>>>> news:ctcjseFi6rfU1@mid.individual.net...
>>>>>>>>>>>> On 5/06/2015 12:23 PM, Rod Speed wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>>>>>>>>>>>>> news:ctccruFgnlaU1@mid.individual.net...
>>>>>>>>>>>>>> On 4/06/2015 9:16 PM, Rod Speed wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> "Sylvia Else" <sylvia@not.at.this.address> wrote in message
>>>>>>>>>>>>>>> news:ct9ql0Fr49nU1@mid.individual.net...
>>>>>>>>>>>>>>>> On 3/06/2015 4:30 PM, Rod Speed wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> "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.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Think about the physics of it, Rod. If it can work on 1V,
>>>>>>>>>>>>>>>> then
>>>>>>>>>>>>>>>> any
>>>>>>>>>>>>>>>> higher voltage wastes energy,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> No it does not.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> unless the device contrives to draw a lower current at the
>>>>>>>>>>>>>>>> higher
>>>>>>>>>>>>>>>> voltage
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Nope, think of a constant current device.
>>>>>>>>>>>>>
>>>>>>>>>>>>>> A constant current device consumes power in proportion to the
>>>>>>>>>>>>>> applied
>>>>>>>>>>>>>> voltage.
>>>>>>>>>>>>>
>>>>>>>>>>>>> But the device isn't necessarily a constant current device.
>>>>>>>>>>>
>>>>>>>>>>>> You raised constant current devices.
>>>>>>>>>>>
>>>>>>>>>>> Only to rub your nose in that error of yours.
>>>>>>>>>>>
>>>>>>>>>>>>>>>> (which typically implies some kind of non-linear
>>>>>>>>>>>>>>>> regulator).
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> No reason why it can't just connect the battery
>>>>>>>>>>>>>>> directly to the load while ever the voltage is high
>>>>>>>>>>>>>>> enough and put it thru a step up regulator when
>>>>>>>>>>>>>>> the battery voltage is too low, to get what remains
>>>>>>>>>>>>>>> in the battery out of the battery.
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Care to propose an actual circuit that does that without
>>>>>>>>>>>>>> itself
>>>>>>>>>>>>>> wasting energy?
>>>>>>>>>>>>>
>>>>>>>>>>>>> One obvious way to do that is to use a relay that
>>>>>>>>>>>>> applys the battery directly to what its powering
>>>>>>>>>>>>> while ever the battery has sufficient voltage and
>>>>>>>>>>>>> then switches the step up regulator in when the
>>>>>>>>>>>>> battery voltage drops below the voltage at which
>>>>>>>>>>>>> the device will turn itself off due to insufficient voltage.
>>>>>>>>>>>
>>>>>>>>>>>> And the relay coil is powered how?
>>>>>>>>>>>
>>>>>>>>>>> Doesn’t have to be powered, it can be a bistable relay
>>>>>>>>>>> or use the normally closed terminals when the relay
>>>>>>>>>>> is not powered to connect the battery directly to the
>>>>>>>>>>> load when the battery voltage is high enough.
>>>>>>>>>>>
>>>>>>>>>>>>>> In any case, the point remains that applying an unnecessarily
>>>>>>>>>>>>>> high
>>>>>>>>>>>>>> voltage to a device is wasteful of energy.
>>>>>>>>>>>>>
>>>>>>>>>>>>> But you don’t have to do it like that. The battery
>>>>>>>>>>>>> can be directly connected to the load when it
>>>>>>>>>>>>> is producing sufficient voltage to power the load.
>>>>>>>>>>>
>>>>>>>>>>>> The batteriser cannot tell what voltage is sufficient.
>>>>>>>>>>>
>>>>>>>>>>> It can work that out from when the load no longer
>>>>>>>>>>> runs when the battery voltage is low enough.
>>>>>>>>>>
>>>>>>>>>> Devices don't necessarily stop drawing current just because the
>>>>>>>>>> input
>>>>>>>>>> voltage has reached a level below which they cannot work
>>>>>>>>>> properly.
>>>>>>>>>
>>>>>>>>> Sure, but there normally is a significant drop in current
>>>>>>>>> drawn when they decide that the voltage is too low to
>>>>>>>>> allow the device to be used normally.
>>>>>>>
>>>>>>>> I don't know about "normally",
>>>>>>>
>>>>>>> Or anything else at all either.
>>>>>>>
>>>>>>>> but in any case, there are significant drops in current for reasons
>>>>>>>> entirely unrelated to the voltage being too low,
>>>>>>>
>>>>>>> Not to such a low level of current that it clearly
>>>>>>> isn't turned on as far as the user is concerned.
>>>>>
>>>>>> And you have a cite to back up that claim?
>>>>>
>>>>> Don’t need a cite, even someone as stupid as you can try measuring it.
>>>>>
>>>>>> I have a clock with an un-illuminated LCD readout.
>>>>>
>>>>> And that isn't sort of device that anyone but someone
>>>>> as stupid as you would ever use something like what is
>>>>> being discussed with.
>>>
>>>> I wondered whether this would be the point where you'd start excluding
>>>> devices that are counter-examples.
>>>
>>> You never could bullshit your way out of a wet paper bag.
>>>
>>> And it isn't a counter example either.
>>>
>>>>> And even if you did, you would find that when it stops
>>>>> working with a particular battery, that there is a significant
>>>>> drop in the current it takes from that battery when it does.
>>>
>>>> The current it draws rises and falls by about 50% very couple of
>>>> seconds.
>>>
>>> And its completely trivial for any well designed system to see that.
>>>
>>>> When the alarm goes off, the current rises considerably,
>>>
>>> Irrelevant when what its looking for is a significant and permanent
>>> drop.
>>
>> How long does one have to watch a drop to determine whether or not it
>> is permanent?
>
> Obviously if it drops to much lower than it was for a
> significant amount of time, its obviously stopped.

Music player between tracks?

I think the absurdity of your position has been adequately demonstrated. 
I'll let you have the last word.

Sylvia.

Back to aus.computers | Previous | NextPrevious in thread | Next in thread | Find similar


Thread

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

csiph-web