RIM's R&D department has been getting busy this year with some new creative ideas. RIM latest patent proposes a battery-charging holster. Yes, that's right a cell phone holster that will charge your Blackberry. How cool would that been. The idea behind the new holster is that it would charge your BlackBerry on the go and give you notifications through built in speakers. Sounds interesting. Would this mean an end to battery charging as we know it?