I had the local BatteriesPlus make up some 5 cell packs of 4AH 4/3A
batteries.  Gives me 24WH of light, which with a 10W lamp means over 2
hours as long as I keep them in decent condition.

You can buy the same size cell in 4.5AH as well, perhaps more now -
this was 3 years ago.

-Adam

On 2/4/08, Neil Cherry <ncherry@comcast.net> wrote:
> I've decided that with the rather odd weather in NJ (no snow) that
> I would take advantage of the 'nice' weather and start riding into
> work. Because of the strange construction habits of some of the
> roadways (very bad engineering) I need to travel pre-rush hour
> (none of the roads are bike friendly).
>
> I'm putting my commuter and backup bikes back together (they're
> in various stages of construction) and I'm getting my lighting
> system straightened out. Right now the systems I have use 'D'
> size batteries. If I switch over to rechargeables then I'll be
> getting 'C' size batteries inside a 'D' size case. I'd like
> something a little more friendly (as in rechargeable). I'm not
> overly concerned with weight as I have a nice bike trailer and
> any extra weight is used as a training tool. I just don't want
> some huge monstrosity. Anyone have any good pointers on
> batteries? Should I look at PWM to regulate the power usage?
> Any other ideas?
>
> Thanks
>
> --
> Linux Home Automation         Neil Cherry       ncherry@linuxha.com
> http://www.linuxha.com/                         Main site
> http://linuxha.blogspot.com/                    My HA Blog
> Author of:      Linux Smart Homes For Dummies
> --
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> http://mailman.mit.edu/mailman/listinfo/piclist
>


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