Battery Powered Glowsticks (along with a bunch of other cool shit) can be found at.....
http://xstatikgear.com
http://www.nightclubitems.com <---- good bulk pricing on stuff
http://www.circuittoys.com
http://www.bwild.com <---- charges your card BEFORE shipping product, instock or not
Hope that helps. All those companies have a great many good toys and such. Night Club Items does great bulk orders, they're almost wholesale. I bought a box of 100 glowsticks from them a while back, it was cheap and wonderful. Makes a great X-Mas present, too.