And what's the recharge time using the standard BlackBerry charger?
Since this won't have the same embedded handshake hardware as a RIM OEM battery, I have to assume the charging throttle-down will make a recharge take quite a while.
I'm also guessing this will no longer fit my BlackBerry Power Station. my Fortte glove leather case, my Fortte open face case, my Otterbox Defender case, my Otterbox Impact skin, my Boxwave holster clip and maybe not even my BlackBerry Charging Pod.
And 6mm=1/4" of added thickness on a phone that's only 14mm=1/2" (+ a smidge) to begin with. It would be less thickness to duct tape a spare RIM battery to the back of the case.