Dell Inspiron 14R (5421, Early 2013) - Manual (Page 6)

Battery
Type • 4-cell “smart” lithium ion (40 WHr)
• 6-cell “smart” lithium ion (65 WHr)
Dimensions: 4-cell 6-cell
Height 20.00 mm (0.79 inch) 35.40 mm (1.39 inches)
Width 272.40 mm (10.72 inches) 272.40 mm (10.72 inches)
Depth 46.30 mm (1.82 inches) 46.30 mm (1.82 inches)
Weight 0.26 kg (0.57 lb) 0.36 kg (0.79 lb)
Voltage 14.80 VDC 11.10 VDC
Operating time Battery operating time varies depending on operating
conditions and can significantly reduce under certain
power-intensive conditions
Life span
(approximate) 300 discharge/charge cycles
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Coin-cell battery CR-2032
Power Adapter
Type • 65 W
• 90 W
Input voltage 100-240 VAC
Input current (maximum) 1.50 A/1.60 A/1.70 A
Input frequency 50 Hz-60 Hz
Output current (continuous) 3.34 A/4.62 A
Rated output voltage 19.50 +/- 1 VDC
Temperature range:
Operating 0 °C to 40 °C (32 °F to 104 °F)
Storage –40 °C to 70 °C (–40 °F to 158 °F)