Acer Aspire S7-391 Acer S7-391 Notebook Service Guide - Page 13
Communication, Privacy Control, Power Adapter and Battery, Webcam, Wireless and networking
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Communication 0 Webcam 0 1.3 MP HD webcam Acer Video Conference software, featuring: Acer Crystal Eye HD webcam with 1280×720 resolution Acer Video Conference Manager featuring Video Quality Enhancement (VQE) technology Supports 720p HD audio/video recording Wireless and networking 0 WLAN: Acer InviLin™ Nplify™ 802.11a/b/g/n Wi-Fi CERTIFIED™ Supports Acer SignalUp™ wireless technology WPAN: Bluetooth® 4.0+HS Privacy Control 0 BIOS supervisor, user, and HDD passwords Strap slot Power Adapter and Battery 0 19 V 3-pin AC adapter; 65 W 4 cell 4680 mAh 2S2P lithium polymer main battery pack Battery life: 6 hours Up to 80 days using Acer Green Instant On technology 4 cell 2500 mAh 4S1P Second Battery (Optional Accessory) 12 hours (total includes main battery life) Up to 180 days using Acer Green Instant On technology (total includes main battery life) Charging period: 1.5 to 2 hours for 0-80% capacity 3 to 3.5 hours for 0-99% capacity 3.5 to 4 hours for 0-100% (charge-in-use) ACPI 3.0-compliant power management system ENERGY STAR compliant Hardware Specifications and Configurations 1-5