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William Bain wrote:
>
> I power my HB with an 8-AA-cell, 500 mAH Panasonic battery,
> soldered together by Digikey (I think it's the one listed in
> the HB Tech Ref) and it has no trouble at all driving a couple
> Lego motors. My robot is pretty heavy, too, with sonar, a color
> video camera, and a video transmitter.
I am using 8-NiMH-AA-cells, 1100 mAh each, without any problems.
For German Handyboard users: www.reichelt.de sells either single
sells or a soldered pack of batteries. Actually you can even get
upto 1700 mAh-cells (no experience with those cells). Instead of
using the recommended 500mA DC adapter, I changed to 800mA.
>
> However, I'm using the Lego gear motors, which may be more
> efficient than the old style of Lego motor, and I gear them
> down even more. Have you tried gearing your motors down? Maybe
> you aren't getting enough torque and that's causing your motors
> to stall.
Same motors are used by me and I geared them down, too.
>
> I really recommend getting the soldered batteries from Digikey.
> Using a battery holder with single cells never worked very
> reliably for me.
No problems with single sells.
Hope this helps.
Dirk
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Message is in Reply To:
 | | Re: Battery Capacity
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| I suppose that maybe your NiCd cells are just nearing the end of their useful life. Either that, or you have a wiring problem somewhere in the power circuit. Also, it's generally not a good idea to mix different types of cells (different capacities) (...) (25 years ago, 7-Feb-00, to lugnet.robotics.handyboard)
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