Dell Inspiron 14R SE 7420 Specifications (Accessibility Compliant) - Page 6

Battery Inspiron 14R-5420/7420/ M421R-5425 6-cell "smart" lithium ion Height 20 mm (0.79 inches) Width 208 mm (8.19 inches) Depth 51 mm (2.00 inches) Weight 0.33 kg (0.73 lb) Voltage 11.1 VDC Charge time (approximate) 4 hours (when the computer is turned off) Operating time battery operating time varies depending on operating conditions and can be significantly reduced under certain power-intensive conditions Coin-cell battery CR-2032 Inspiron 15R-5520/7520/ M521R-5525 20 mm (0.79 inches) 208 mm (8.19 inches) 51 mm (2.00 inches) 0.33 kg (0.73 lb) 11.1 VDC 4 hours (when the computer is turned off) battery operating time varies depending on operating conditions and can be significantly reduced under certain power-intensive conditions CR-2032 Power adapter Inspiron 14R-5420/7420/ M421R-5425 Type 65 W (Inspiron 14R-5420/7420) 90 W (Inspiron 14R-5420/7420, Inspiron M421R-5425) Input voltage 100-240 VAC Input current (maximum) 1.50 A/1.60 A/2.50 A (Inspiron M421R-5425) 1.50 A/1.60 A/1.70 A/ 2.50 A (Inspiron 14R-5420/7420) Input frequency 50-60 Hz Inspiron 15R-5520/7520/ M521R-5525 65 W/90 W 100-240 VAC 1.50 A/1.60 A/ 1.70 A/2.50 A 50-60 Hz