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Re: New Li-Ion 9 volt and charger

Subject: Re: New Li-Ion 9 volt and charger
From: "Lou Judson" inaudio
Date: Sun Jan 21, 2007 4:33 pm ((PST))
Thanks Adam. For frequent WL mic users, they could go right from
charger to use, and the use limited to known times, as they seem ideal
for film shoots and concert type use. Thius would make these possible
problems not to worry about.

What is the capacity of a normal alkaline 9V just for comparison?

<L>

Lou Judson =95 Intuitive Audio
415-883-2689

On Jan 21, 2007, at 1:55 PM, Adam Liberman wrote:

>> Thanks. Looks great, and for wireless mic users would be a worthy
>> investment!
>
> Looks promising. And the capacity of 500mAH is way more that the
> typical 175mAH of NiMH 9 Volts (even though they aren't specified
> exactly the same, so it is not an exact comparison). But note the
> following cautions:
>
> 1) It looks like the self-discharge rate is high. If I understand
> correctly their strange way of specifying it, it looks like the
> capacity of a fully charged battery after 28 days sitting is about 30%
> (1-1/2 hrs instead of 5 hrs life at 0.2C discharge rate).
>
> 2) Over discharge may decrease the cycle life and may cause battery
> deformation, leak or open the cover.
>
> - Adam
>





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