At the GITEX show, RIM's Co-Chief Executive Officer Jim Balsillie revealed a few more key specs of the upcoming BlackBerry PlayBook tablet. According to CrackBerry, the device will have a 5,300mAh, non-removable battery, which should provide it with more life than competing products. In comparison, the similarly-sized Galaxy Tab packs a 4,000mAh battery and a claimed seven-plus hour battery life when watching movies.