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


Groups > aus.computers > #46535

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 2015-06-05 12:54 +0200
Message-ID <ctddg2Fo8e7U1@mid.individual.net> (permalink)
References (3 earlier) <ct79kgF79afU1@mid.individual.net> <ct7l8rF9s36U1@mid.individual.net> <ct9ql0Fr49nU1@mid.individual.net> <ctareoF4cnhU1@mid.individual.net> <ctcd0rFgnlaU2@mid.individual.net>

Cross-posted to 2 groups.

Show all headers | View raw


On 5/06/2015 3:40 AM, Sylvia Else wrote:
> On 4/06/2015 9:34 PM, BuckyBalls wrote:
>> 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.
>>
>>
> If the device uses a boost converter to provide the majority of the
> power to the rest of the circuit, then that is true. Most battery
> powered devices just require a suitable input voltage, and do not use a
> boost converter.
>
> Sylvia.

The boost converter is in the batteriser.

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