Re: [AH] Does mAh value matter on a memory backup battery?

From Peter MoĢˆrck
Sent Thu, Jan 23rd 2014, 20:47

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OK, get another NiMH then, should be no problem :)
Old synths usually have NiCad and the recharging circuit probably isn't
designed to handle NiMH (which has different charging characteristics).



On 23 January 2014 20:42, M V <mv_synths@hotmail.com> wrote:

> Yes, it's an NIMH battery... on a pretty small synth.
>
>
>
>
> ------------------------------
> Date: Thu, 23 Jan 2014 20:40:24 +0100
> Subject: Re: [AH] Does mAh value matter on a memory backup battery?
> From: peter.morck@gmail.com
> To: mv_synths@hotmail.com
> CC: analogue@hyperreal.org
>
>
> The big question is: Is it a rechargeable battery?
> 100mAh sounds awfully low though, so I'm guessing no.
> Is it a toy? :P
>
> Capacity is a measure of how much charge the battery has.
> 100mAh will last for 100 hours if the synth drains 1mA from it, 1000 hours
> if it drains 0.1mA from it, and so on... (in theory)
> So, bigger is better as it will last longer.
>
> /Peter
>
>
>
>
>
> On 23 January 2014 20:33, M V <mv_synths@hotmail.com> wrote:
>
>  I'm looking to replace a memory backup battery on a synth. The original
> was a 3.6V 100mAh battery, but the available mAh values for new ones are 80
> and 150. I'm guessing that such a small difference won't matter, but am
> unsure whether it's better to shoot high or low.
>
> thanks,
>
> Matt
>
>
>
>

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<div dir=3D"ltr">OK, get another NiMH then, should be no problem :)<div>Old=
 synths usually have NiCad and the recharging circuit probably isn&#39;t de=
signed to handle NiMH (which has different charging characteristics).</div>
<div><br></div></div><div class=3D"gmail_extra"><br><br><div class=3D"gmail=
_quote">On 23 January 2014 20:42, M V <span dir=3D"ltr">&lt;<a href=3D"mail=
to:mv_synths@hotmail.com" target=3D"_blank">mv_synths@hotmail.com</a>&gt;</=
span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">


<div><div dir=3D"ltr">Yes, it&#39;s an NIMH battery... on a pretty small sy=
nth. <br><div class=3D"hm HOEnZb"><br><br><br><br></div><div><div class=3D"=
hm HOEnZb"><hr>Date: Thu, 23 Jan 2014 20:40:24 +0100<br>Subject: Re: [AH] D=
oes mAh value matter on a memory backup battery?<br>
From: <a href=3D"mailto:peter.morck@gmail.com" target=3D"_blank">peter.morc=
k@gmail.com</a><br>To: <a href=3D"mailto:mv_synths@hotmail.com" target=3D"_=
blank">mv_synths@hotmail.com</a><br>CC: <a href=3D"mailto:analogue@hyperrea=
l.org" target=3D"_blank">analogue@hyperreal.org</a></div>
<div><div class=3D"h5"><br><br><div dir=3D"ltr">The big question is: Is it =
a rechargeable battery?<div>100mAh sounds awfully low though, so I&#39;m gu=
essing no.</div><div>Is it a toy? :P<br><div><br></div><div>Capacity is a m=
easure of how much charge the battery has.</div>

</div><div>100mAh will last for 100 hours if the synth drains 1mA from it, =
1000 hours if it drains 0.1mA from it, and so on... (in theory)</div><div>S=
o, bigger is better as it will last longer.</div><div><br></div><div>/Peter=
</div>

<div><br></div><div><br></div><div><br></div></div><div><br><br><div>On 23 =
January 2014 20:33, M V <span dir=3D"ltr">&lt;<a href=3D"mailto:mv_synths@h=
otmail.com" target=3D"_blank">mv_synths@hotmail.com</a>&gt;</span> wrote:<b=
r>

<blockquote style=3D"border-left:1px #ccc solid;padding-left:1ex">


<div><div dir=3D"ltr">


<div dir=3D"ltr">I&#39;m looking to replace a memory backup battery on a sy=
nth. The original was a 3.6V 100mAh battery, but the available mAh values f=
or new ones are 80 and 150. I&#39;m guessing that such a small difference w=
on&#39;t matter, but am unsure whether it&#39;s better to shoot high or low=
.<br>

<br>thanks,<br><br>Matt<br><br><br></div>
 		 	   		  </div></div>
</blockquote></div><br></div></div></div></div> 		 	   		  </div></div>
</blockquote></div><br></div>

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