I've been very happy my iTP A3 EOS. 3 modes low, 1.5 lumens, medium, 18 lumens and high at 96 lumens. Runs on 1 AAA.
Amazon.com: iTP A3 EOS 96 Lumen Flashlight -Upgrade Version 1 X AAA battery: Sports & Outdoors@@AMEPARAM@@http://ecx.images-amazon.com/images/I/41E%2B8nxBiWL.@@AMEPARAM@@41E%2B8nxBiWL