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

From	BuckyBalls <"The Pres"@yahoo.com>
Newsgroups	aus.computers, aus.electronics
Subject	Re: Batteriser claims to be able to extend disposable battery life by 800 percent
Date	2015-06-04 13:34 +0200
Message-ID	<ctareoF4cnhU1@mid.individual.net> (permalink)
References	(1 earlier) <ct4tn7Fj4asU1@mid.individual.net> <mkllnh$onj$1@dont-email.me> <ct79kgF79afU1@mid.individual.net> <ct7l8rF9s36U1@mid.individual.net> <ct9ql0Fr49nU1@mid.individual.net>

Cross-posted to 2 groups.

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On 4/06/2015 4:14 AM, Sylvia Else wrote:
> 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, unless the device contrives to draw a
> lower current at the higher voltage (which typically implies some kind
> of non-linear regulator).
>
> Sylvia.

Boost converters are LEAST efficient at lower input voltages. As the 
voltage increases they get more efficient. Basic switch-mode stuff.

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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

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