Hello Kurt! Welcome!

There is a manual, you can find it on the FAQ page or here: /Manual

The max voltages are in there, i forget what they are without checking. It's a good idea for you to check anyway because there are relevant other stuffs.

I wouldn't recommend using the existing battery pack with rechargable batteries. Rechargable AA's are only 1.2 volts, and deminish quickly. Within a few recharge, they won't provide enough play-time. Rechargable AA's are bad bad bad.

What I would suggest (since you're asking about something pretty custom) is to visit your local battery store. We have a few here, and they have neat battery packs. What you'll want to get are Lithium Ion battery pack that has a built in PCB charging circuit. That way, you can give the battery 8-12 volts (and around 600 mha) .. It will charge itself

I get these 2 cell lithium ion battery packs with built in PCB from our battery shop locallly for around $40 . I might go pick a bunch up and put them on the website for sale. How about that idea?

Well, You just answered one of my questions. I was trying to use my NiCD rechargeable AA and was having problems. Now I know. Can ya recommend a source for a wall wart I can use with the EZ-B? I'mfinding that I'll need to have the board on for extended periods as I learn .

This looks good: eBay 12v DC 5a switching power supply

That looks like a good power supply DJ I didnt even get that one on my searches.

I was thinking more along these lines though because eventually everyone will want there robots running on battery's anywhoo this is how im going with something like this.

sla (solid lead acid)

i believe any 6 volt wall wart will work for charging its just the fewer mah the charger puts out the longer it takes to charge. I also have used the ezb with battery's like this

CHARGER like these here

here or this one

here

BATTERY like this

here

I will need to add there are warning about lipo batterys..... not sure about lion's i think there a tad safer but not sure.

Crap.... I think i just made this all more complicated....

ok dj sends you a battery holder that holds 5 AA batteries, it is 1.5volt x 5 = 7.5 volt battery pack

so isnt 12 volt too much?

no... i think its safe up to 14 volts? I think it just makes the voltage regulator's work harder and get hoter? I believe being closest to 5 volts is best.... I think DJ would have chosen a cheap 6v supply if the amp range would have worked most are not high enough in amp's

Yeah the manual says the EZ-B can take maximum 14V and Minimum 5V , but the recommended is 7.2V. The closer it is to 14V though the hotter the regulator will become.

That Power Supply Adapter looks pretty cool. Wouldn't it be good if it was possible to connect the EZ-B directly to a power point. Without it blowing up