Laptop Brand - Acer, Laptop Series - Extensa 15, Laptop Model - Acer Extensa 15 EX215-54-57SB, Processor Brand - Intel, Processor Type - Intel Core i5, Processor Generation - 11th (Intel), Processor Model - Core i5 1135G7, Processor Base Frequency - 2.40 GHz, Processor Max Turbo Frequency - 4.20 GHz, Processor Core - 4, Processor Thread - 8, Processor Cache - 8MB, Display Size - 15.6 Inch, Display Technology - FHD LED Display, Display Resolution - 1920 x 1080, Touch Display - No, Memory (RAM) - 8GB, Memory Type - DDR4, Storage - 1TB HDD, Installed HDD Type - SATA, Graphics Chipset - Intel Iris Xe Graphics, Graphics Memory Accessibility - Integrated, Graphics Memory - Shared, LAN - Yes, WiFi - Yes, Bluetooth - Yes, USB 2 Port - 1 x USB 2.0, USB 3 Port - 2 x USB 3.2 Gen 1 Type-A, HDMI Port - 1, Headphone Port - Combo, Microphone Port - Combo, Speaker - Yes, Microphone - Yes, WebCam - Yes, Keyboard Back-lit - No, Pointing Device - Touchpad, Finger Print Sensor - No, Battery Capacity - 36Wh, Operating System - Windows 11 Home, Color - Charcoal Black, Warranty - 2 Year (1 Year Traveles) (1 year for Battery and Adapter), Warranty Claim Duration (Approximate) - Estimated Warranty Claim Duration 20 Days. It may take additional time up to 40 days, Part Number - NX.EGJSI.00D, Country of Origin - Taiwan, Made in / Assembled in - China, Disclaimer - Mentioned Battery Backup information is collected from manufacturer. As per manufacturer the backup time may very for different use case, settings, applications and some other factors.