Dell Inspiron 14 (5439, Late 2013) - Manual (Page 5)

Battery
Type 3 cell
Dimensions:
Width 7.81 in (198.5 mm)
Depth 0.30 in (7.5 mm)
Height 3.91 in (99.5 mm)
Weight (maximum) 0.60 lb (269 g)
Voltage 11.4 VDC
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 50 °C (32 °F to 122 °F)
Storage 0 °C to 65 °C (32 °F to 149 °F)
Coin‑cell battery LI 3V 83 MAH
Power Adapter
Type • 65 W
• 90 W
Input voltage 90 VAC–264 VAC
Input frequency 50 Hz–60 Hz
Input current:
65 W 1.50 A (maximum)
90 W 1.60 A (maximum)
Output current:
65 W 3.34 A
90 W 4.62 A
Rated output voltage 19.50 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)