I've recently turned my attention to the power sources for my as yet nonexistent wearable. LiIon seems to be the most popular choice whether they be InfoLithiums or laptop batteries. So one obvious possibility is to hot swap pre-charged LiIon batteries and also keeping a gaggle of wall warts and a LiIon charger or two stashed in strategic locations. But how does one go about trying to estimate when one of these batteries is approaching the end of its charge? Is it just guess work and experience or can anyone here using these batteries get the values directly from the batteries? I'm assuming that the interface to the on-board electronics of the batteries is proprietary. If I'm wrong, please correct me. I've noted that some LiIon batteries are including a little pushbutton on the side and a series of LEDs that indicate remaining charge. This is certainly better than nothing, but something a little more automated would be better. I don't want to be the weak link when my wearable suddenly loses power because I've forgotten to push the button. Doug, what's happening with the all singing and all dancing (and more importantly Charging while in use) power source you've been trying to get made? - paul -- Subscription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" toWear-Hard Mailing List Archive (searchable): http://wearables.blu.org please, Please, *PLEASE* don't subscribe through a forward/false domain
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