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Groups > aus.computers > #46535
| 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.
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.
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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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