Toshiba Portege R 2. Battery Life Not bad! Sony VAIO VPCSC User Manual: Using The Touch Pad And we should know: With just the primary six-cell battery and the system set to "Stamina," we managed five hours and eleven minutes. That time sank to three hours and thirty-nine minutes when we switched to the performance-driven "Speed" mode. Needless to say, that extended battery works wonders. Set Sony Vaio VPCSB190X TouchPad Settings speed mode, it made it nine hours and forty-nine[…]
