have them too and once again its very ego-t like, either it works or it doesnt , have a butload here and some new 500 mah elips and 1000 mah elips but like i said its to ego-t like, some work, some dont. i do love the battery and am having them made with 510 connections to bypass being forced with the ego-t style tank. ill give away a few as prizes this week.