I use rechargable NiMH batteries (AA),,(Nickle-metal hydride)..better than NiCad...I have 3 sets..(maybe over kill,,,but..)I have a charger on my desk, and a little one I carry with me that plugs directly into a wall socket with no cord...(fold-out prongs)...

Both my camera & chargers are by Olympus...they have never given me ANY problems..(the charger can be used by anyone who needs AA batteries)