Dell Inspiron 14 (7437, Late 2013) - Manual (Page 5)

Battery
Type 4‑cell
Dimensions:
Width 6.30 in (159.90 mm)
Depth 13.39 in (340 mm)
Height 0.16 in (4.18 mm
Weight 0.79 lb (0.36 kg)
Voltage 7.4 VDC
Charging time 4 hours when computer is off.
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 45 W
Input voltage 100 VAC–240 VAC
Input current (maximum) 1.30 A
Input frequency 50 Hz–60 Hz
Output current 2.31 A
Rated output voltage 19.50 VDC
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 70 °C (–40 °F to 158 °F)