Cecil Moore writes:

Dave Platt wrote:
High-capacity NiCd cells are the traditional choice for this sort of
application

I have been most happy with a small gelcell velcroed
to my MJF-259B.

I've had mine for four years, and am still on my first set of
disposable batteries. Just have to make sure it doesn't turn on
accidentally under transport - I wrap some tape over one of the
batteries.

LA4RT Jon