Lenovo B40-70 Notebook - Manual (Page 22)

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Specifications
Display
Display resolution
(LCD) 16:9 (1,366 × 768 pixels HD)
16:9 (1,920 × 1,080 pixels FHD)
LCD backlight LED
I/O Ports
USB USB 2.0 × 1, USB 3.0 × 2
USB 2.0 × 2, USB 3.0 × 1(B40‐30/B50‐30)
Communication RJ‐45 × 1
Audio Combo audio jack ×1
Video/Audio HDMI × 1
Memory card slot SODIMM × 2
Battery pack
Type Li‐Cyllinder
Cells/Capacity 4 cells, 2200mAh
AC power adapter
Input 100 ‐ 240 V, 50 ‐ 60 Hz AC
Output voltage 20 V DC
Power 45 W or 65 W
Miscellaneous
Camera 0.3 MP, 720 P or no camera
Kensington lock
slot Yes
B40/N40 Series B50/N50 Series