Dell Latitude E6420 (Early 2011) - Manual (Page 7)

Memory
Memory connector two SODIMM slots
Memory capacity 1 GB, 2 GB, or 4 GB
Memory type DDR3 SDRAM (1333 MHz)
Minimum memory 1 GB
Maximum memory 8 GB
Battery
Type • 4-cell "smart" Lithium ion
• 6-cell "smart" Lithium ion
• 9-cell "smart" Lithium ion
Dimensions:
4–cell and 6–cell
Depth 48.08 mm (1.90 inches)
Height 20.00 mm (0.79 inches)
Width 208.00 mm (8.19 inches)
9–cell
Depth 71.79 mm (2.83 inches)
Height 20.00 mm (0.79 inches)
Width 214.00 mm (8.43 inches)
Weight:
4-cell 240.00 g (0.53 lb)
6-cell 344.73 g (0.76 lb)
9-cell 508.02 g (1.12 lb)
Voltage:
4-cell 14.80 VDC
6-cell and 9-cell 11.10 VDC
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
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