Laptop Brand - Acer, Laptop Model - Acer Extensa 15 EX215-54-37AH, Processor Brand - Intel, Processor Type - Intel Core i3, Processor Generation - 11th (Intel), Processor Model - Core i3 1115G4, Processor Max Turbo Frequency - 4.10 GHz, Processor Core - 2, Processor Thread - 4, Processor Cache - 6MB, Display Size - 15.6 Inch, Display Technology - FHD LED Display, Display Resolution - 1920 x 1080, Touch Display - No, Display Features - Aspect Ratio: 16:9, HDCP Supported: Yes, Memory (RAM) - 4GB, Installed Memory Details - 1 x 4GB, Memory Type - DDR4, Max Memory Support - 16GB, Storage - 1TB HDD, Installed HDD Type - SATA, HDD RPM - 5400 RPM, Optical Drive - No-ODD, Graphics Chipset - Intel UHD Graphics, Graphics Memory Accessibility - Integrated, Graphics Memory - Shared, LAN - Gigabit Ethernet, WiFi - Yes, IEEE 802.11a/b/g/n/ac, Bluetooth - Bluetooth 5.0, 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, Audio Properties - 2 x Stereo Speakers, Speaker - Yes, Microphone - Yes, WebCam - Yes, Num Key pad - Yes, Pointing Device - TouchPad, Security Chip - Firmware TPM, Security Lock Slot - Kensington lock slot, Battery Cell - 2 Cell, Battery Capacity - 36.70 Wh, Battery Type - Lithium Ion (Li-Ion), Power Adapter - 45W AC power adapter, Operating System - Free DOS, Color - Charcoal Black, Dimension (W x D x H) - 363.4 x 238.4 x 19.90mm, Others - Front Camera/Webcam Video Resolution: 1280 x 720, Microphone Type: Digital, Network (RJ-45): Yes. TouchPad Features: Multi-touch Gesture. Energy Star: Yes., 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.001, 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.