I use the Hitec 335 - very inexpensive, will charge from 4 up to 28 cells, programmable current from .3A up to 5A, with an LCD display which show charging V, bat V, or current. It will also charge the rx batteries on a seperate set of connectors. Got mine from Hobby Lobby - $99 -- Tom Rust Nanochip Inc Box 13249 Oakland, CA 94661 (510) 339-6263 (510) 339-9636 FAX http://www.nanochip.com RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]