go on candlepowerforums.com buy a fenix p2d and order two of aw cr123 batteries with a wf139 charger <-------- important junk batteries arent worth buying this setup is bright as HEL$ 130 lumen bright +- much brighter than my 5 d cell mag light and will run for quite a while and is no bigger than you index finger should all cost you about 70 bucks and nothing personal but mini mags are out dated junk