Colin,
Not sure about the capacitors part, but the rest of what you said is
essentially correct: current remains constant in a series circuit, and
voltage remains constant in a parallel circuit. I know that a cell's
internal resistance changes as its voltage decreases, but I'm not quite sure
how.
Steve
----- Original Message -----
From: "colin McDonald" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, January 06, 2011 17:21
Subject: Re: wouxun save battery mode.
> ah, ok...see, I can learn new things...factually true, but I guess I
> always
> assumed that if you combined batteries in series, you would also increase
> the current capacity beyond that of any single sell in the circuit.
> So, to remember, batteries in series increase voltage to the sum of the
> sells added together, but only maintain the current capacity of the
> strongest battery?
> And batteries in parallel increase current as the sum of the individual
> cells added together, but only maintain the voltage of the strongest
> battery?
> perhaps too simplistic?
> I assume that batteries are seen in ohms law as capacitors?
> 73
> Colin, V A6BKX
> ----- Original Message -----
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Thursday, January 06, 2011 2:41 PM
> Subject: Re: wouxun save battery mode.
>
>
>> Colin,
>>
>> In a series circuit, you'd only get 2900 MA because the current stays the
>> same throughout the circuit. Your figure applies only if the batteries
>> are
>> connected in parallel.
>>
>> Steve
>>
>> ----- Original Message -----
>> From: "colin McDonald" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Thursday, January 06, 2011 13:37
>> Subject: Re: wouxun save battery mode.
>>
>>
>>> you would think since they are lithium they would be rechargible...but I
>>> don't know..the TV commercials don't say.
>>> 2900MA is pretty decent though.
>>> 8 of those in a pack and you've got 23.2 amp hours...quite good.
>>> One could potentially run a 100W transmitter at full duty for an hour.
>>> Or,
>>> a 100W ssb transmitter in a contest for several hours.
>>> Makes one kind of wonder why most HT battery packs, at least the stock
>>> ones,
>>> only ever offer 1400 or 1800MA.
>>> 73
>>> Colin, V A6BKX
>>> ----- Original Message -----
>>> From: "Buddy Brannan" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Thursday, January 06, 2011 8:16 AM
>>> Subject: Re: wouxun save battery mode.
>>>
>>>
>>>> Yes! The Energizer lithium batteries are great, I used them in my KX1 =
>>>> when I went to Ukraine. They last forever at about 2900 mAh/
>>>> --
>>>> Buddy Brannan, KB5ELV - Erie, PA
>>>> Phone: (814) 860-3194 or 888-75-BUDDY
>>>>
>>>>
>>>>
>>>> On Jan 6, 2011, at 12:46 AM, colin McDonald wrote:
>>>>
>>>>> that's pretty typical of a lithium battery pack.
>>>>> They work at full capacity up until they die...and there's no real =
>>>> obvious=20
>>>>> warning that it's gonna die...not like old NiMH or NiCD battery packs
>>>>> =
>>>> that=20
>>>>> would just slowly tail off until there just wasn't enough juice to =
>>>> keep the=20
>>>>> receiver going.
>>>>>=20
>>>>> Speaking of batteries, does anyone use the energizer lithium double
>>>>> A=20=
>>>>
>>>>> batteries? I've yet to try them, but they seem pretty good...up to 8
>>>>> =
>>>> times=20
>>>>> longer than a typical alcaline battery....probably 8 times more =
>>>> expensive=20
>>>>> too hi hi.
>>>>>=20
>>>>> I've got an HT here that has an 8 sell double A pack that I might try
>>>>> =
>>>> those=20
>>>>> lithium batteries in.
>>>>> 73
>>>>> Colin, V A6BKX
>>>>> ----- Original Message -----=20
>>>>> From: "chad morrison" <[log in to unmask]>
>>>>> To: <[log in to unmask]>
>>>>> Sent: Wednesday, January 05, 2011 7:35 PM
>>>>> Subject: Re: wouxun save battery mode.
>>>>>=20
>>>>>=20
>>>>>> thanks that actually helps a lot. I just turned it on today and we =
>>>> will=20
>>>>>> see
>>>>>> what a difference it will make. I hope it will be because I only =
>>>> have one
>>>>>> battery pack right now and maby this will help it last a little while
>>>>>> longer. I'm hoping to get me another one soon how ever. I was in =
>>>> the
>>>>>> middel of a QSO today and the battery dropped on me. not much =
>>>> wornning is
>>>>>> there? When it is ded it is ded. one minute I was talking and then,
>>>>>> "battery low". smile 73
>>>>>> chad
>>>>>> Instrumentals for lease and sale at:
>>>>>> http://www.soundclick.com/tragicbeatz
>>>>>> Twitter:
>>>>>> http://www.twitter.com/tragicbeatz
>>>>>> band mix page:
>>>>>> http://www.bandmix.com/chadmorrison/
>>>>>> Window's Live messenger/email:
>>>>>> [log in to unmask]
>>>>>> ----- Original Message -----=20
>>>>>> From: "colin McDonald" <[log in to unmask]>
>>>>>> To: <[log in to unmask]>
>>>>>> Sent: Wednesday, January 05, 2011 8:28 PM
>>>>>> Subject: Re: wouxun save battery mode.
>>>>>>=20
>>>>>>=20
>>>>>>> very similar to the TH F6A's battery or power saving feature...only
>>>>>>> =
>>>> on=20
>>>>>>> the
>>>>>>> kenwood, you can manually set the sleep and wake times...the radio =
>>>> goes=20
>>>>>>> to
>>>>>>> sleep every 3 seconds by default on the TH F6A, and sleeps for 1 =
>>>> second
>>>>>>> before listening for a signal again...it automatically does this by
>>>>>>> default
>>>>>>> and most people wouldn't even notice it.
>>>>>>> As buddy said, sometimes you can tell when the air has been quiet =
>>>> for a
>>>>>>> while and someone keys the repeater and starts yapping the second =
>>>> the ptt
>>>>>>> is
>>>>>>> pressed...there is an ever so slight delay and you'll miss the first
>>>>>>> second
>>>>>>> sometimes...I think all ham radios should come with a feature as =
>>>> seen in
>>>>>>> many commercial radios and public safety radios...a beep indicating
>>>>>>> =
>>>> that
>>>>>>> the
>>>>>>> repeater has been brought up and you don't talk until you hear
>>>>>>> the=20=
>>>>
>>>>>>> beep...
>>>>>>> I know this is done for the soul purpose of sending the
>>>>>>> individual=20=
>>>>
>>>>>>> radio's
>>>>>>> ID and in a trunking system to allow time for the various radios and
>>>>>>> control
>>>>>>> systems to sync up, but it's a great feature that always insures =
>>>> that
>>>>>>> others
>>>>>>> hear every word you want to say right from the first sylable.
>>>>>>> 73
>>>>>>> Colin, V A6BKX
>>>>>>>=20
>>>>>>> ----- Original Message -----=20
>>>>>>> From: "Buddy Brannan" <[log in to unmask]>
>>>>>>> To: <[log in to unmask]>
>>>>>>> Sent: Wednesday, January 05, 2011 9:37 AM
>>>>>>> Subject: Re: wouxun save battery mode.
>>>>>>>=20
>>>>>>>=20
>>>>>>>> If you turn battery save on, it sleeps a couple seconds every =
>>>> couple =3D
>>>>>>>> seconds. It doesn't go into standby or automatically turn off =
>>>> though. =3D
>>>>>>>> That said, it has phenomenally good battery life.
>>>>>>>> --
>>>>>>>> Buddy Brannan, KB5ELV - Erie, PA
>>>>>>>> Phone: (814) 860-3194 or 888-75-BUDDY
>>>>>>>>=20
>>>>>>>>=20
>>>>>>>>=20
>>>>>>>> On Jan 5, 2011, at 11:26 AM, chad morrison wrote:
>>>>>>>>=20
>>>>>>>>> Was just wondering if anyone knew what the wouxun hand held does =
>>>> to =3D
>>>>>>>> save =3D3D
>>>>>>>>> battery life. For example, does it go in to a stand by mode after
>>>>>>>>> =
>>>> so =3D
>>>>>>>> =3D3D
>>>>>>>>> long with no opporation? just wondering thanks chad
>>>>>>>>> =3D20
>>>>>>>>> Instrumentals for lease and sale at:
>>>>>>>>> http://www.soundclick.com/tragicbeatz
>>>>>>>>> Twitter:
>>>>>>>>> http://www.twitter.com/tragicbeatz
>>>>>>>>> band mix page:
>>>>>>>>> http://www.bandmix.com/chadmorrison/
>>>>>>>>> Window's Live messenger/email:
>>>>>>>>> [log in to unmask]
>>>
>
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