Dell Latitude 7290 7390 7490 Technical Guidebook

Power Adapters

Table 1. Power Adaptors specificationsThe following table lists different power adaptor specifications:
Adapter Specifications	E5 65W*	E5 90W*	65W E5 for India
Input voltage	100 to 240 VAC	100 to 240 VAC	100 to 240 VAC
System Supportability	12/14/15 U UMA 14/15 H UMA 14/15 U Discrete	14/15 H Discrete 12/14/15 U UMA (upsell) 14/15 U Discrete (upsell)	12/14/15 U UMA 14/15 H UMA 14/15 U Discrete
Input current (max)	1.7 A	1.6 A	1.7 A
Input frequency	50 to 60 Hz	50 to 60 Hz	50 to 60 Hz
Output current	3.34 A (continuous)	4.62 A (continuous)	3.34 A (continuous)
Rated output voltage	19.5 VDC	19.5 VDC	19.5 VDC
Weight (lbs)	0.51	0.77	0.51
Weight (kg)	0.23	0.32	0.23
Dimensions (inches)	0.87 x 2.60 x 4.17	0.87 x 2.60 x 5.12	0.87 x 2.60 x 4.17
Dimensions (mm)	22 x 66 x 106	22 x 66 x 130	22 x 66 x 106
Temperature range:	0 o to 40 o C	0 o to 40 o C	0 o to 40 o C
Operating	32 o to 104 o F	32 o to 104 o F	32 o to 104 o F
Storage	-40 o to 70 o C -40 o to 158 o F	-40 o to 70 o C -40 o to 158 o F	-40 o to 70 o C -40 o to 158 o F

Table 2. Power Adaptors length and weightThe following table lists different power adaptors length and weight:
	E4 BFR/PVC free or E5 65W Standard Power Cord+ Adapter OR E4 BFR/PVC free	E5 90W Standard Power Cord+ Adapter
Weight	E5/E4 BFR/PVC	E5
Grams	310	310
Pounds	0.68	0.68
Length	E5/E4 BFR/PVC	E5
Meters	2.9	2.9
Feet + Inches	9 feet 2.2 inches	9 feet 2.2 inches