AVR-Chat

At 06:17 AM 8/1/2004, MuRaT KaRaDeNiZ wrote:

>Hi,
>
>lithium polymer battery is does not like sourcing high
>currents.

The model aircraft world is using them in high drain apps without much problem.
You don't want to discharge them more than 2C, but with such a small printer, that won't be a problem

> NiCad's and NiMh's do. May be its better you
>start with rechargable battery tecnologies and decide
>the mode of voltage regulation after that. series
>connection of batteries during charging seems to me
>more appropriate too.

Nicads are more tolerant of abuse in charging, and they have a larger operating temperature range.  Sanyo "C" type NIMH's are a lot like Nicads, with the large capacity of NIMH.