The Wi-Fi test ran for 4:18h on a charged charger,battery (B570e: 3:57h, CQ57-303SG: 5:12h). TOSHIBA Satellite M645 charger,battery Websites are automatically opened every 40 seconds via a script in this test. Energy-saving mode is enabled and the screen's brightness is set to approximately 150 cd/m2. The CQ58-148SG lasted for 3:51h in the DVD test (B570e 3:29h, CQ57-303SG: 3:54h). That is enough to watch two movies. For the DVD test, the wireless modules are disabled, the screen is se...