Yep, different strokes for different folks. 2 OEMs (ie, 1 spare) are less bulk and weight then one of the monster brick extendeds, and are ballpark the same mAh - and if I'm doing something that kills the battery I'll notice it. But whatever works.... it just seems that tossing a spare into your backpack (or whatever) doesn't ever seem to come up as a choice, and as far as I can tell it's the cheapest one out there
