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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:ct56tuFl9kjU1@mid.individual.net...
> On 2/06/2015 3:52 PM, Rod Speed 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.
>>>
>>> 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.
>>
>> Don’t see why it would be detrimental unless it causes the battery
>> to leak.
>
> For the reason I gave,

That isn't detrimental.

> and because, as even the inventor concedes, it's not 100% efficient.

Doesn’t need to be when it sees the device use
the battery for longer than it would without it. 

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Re: Batteriser claims to be able to extend disposable battery life by   800 percent "Rod Speed" <rod.speed.aaa@gmail.com> - 2015-06-03 07:53 +1000

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