>In the radio control world, 3Ah is the highest currently. There are reasons for this: 1) Electric flight applications require a balance between capacity, size and weight, 2) The 'actual' consumer application for NiMh cells of this size is in portable power tools. I think the OP might be out of luck with his requirements...... Alan -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body