Subject:
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Re: rechargeable 9V battery packs for RCX/JCX and Legos motors
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 31 Jul 2001 06:38:16 GMT
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Viewed:
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675 times
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Didn't someone recommend a rechargable power pack designed for radio
controlled model cars once - I saw a web page with this on, but can't
remember where.
Great if you have a RCX 1.0 - still available from education suppliers
Robin
"Bruce Boyes" <lego-robotics@crynwr.com> wrote in message
news:3.0.5.32.20010730175800.01111cf0@mail.xmission.com...
> As part of our ongoing development of jcx, we are trying to settle on some
> options for rechargeable batteries. At Toys R Us there are standard 9.6V
> NiCd battery packs such as Nikko #1299 with a standard size and connector.
> The size is about 100 x 55 x 15 mm, which is OK. There's no mAh rating, • but
> my guess is 700 mAh (this is typical for inexpensive NiCd, NiMH can be • 1550
> or better while good Alkalines are 2500). We are also looking at hand tool
> battery packs (the 12V Milwaukee has a nice compact slide-on mount rather
> than the common lumpy 'keyed post' of Porter Cable and DeWalt).
>
> We could also use AA NiMH in a holder and you just put them into a charger
> by hand when it's time.
>
> We're thinking of college labs where they will have 12 or 20 JCX systems
> and where feeding them alkalines is just not practical or cost effective.
> Charging 120 AA cells gets awkward too, so some sort of self-contained
> rechargeable pack seems a good idea.
>
> Any of you out there using rechargeable packs? Any ideas or advice in this
> area?
>
> Thanks
>
> Bruce Boyes
> native 32-bit Java execution Lego controller
> http://jcx.systronix.com
> ------- WWW.SYSTRONIX.COM ----------
> Real embedded Java and much more
> High speed 8051 systems
> +1-801-534-1017 Salt Lake City, USA
>
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