Dell Inspiron 14z (5423, Mid 2012) - Manual (Page 4)

Battery
Type 6-cell “smart” lithium ion (44 Whr)
Height/Width/Depth 12.50 mm (0.49 inches)/66.00 mm (2.60 inches)/
291.70 mm (11.49 inches)
Weight 0.30 kg (0.70 lb)
Voltage 14.8 VDC
Operating time battery operating time varies depending on
operating conditions and can be significantly
reduced 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 port
Type 65 W/90 W
Input voltage 100–240 VAC
Input current (maximum) 1.70 A/1.50 A
Input frequency 50 Hz–60 Hz
Output current 3.34 A/6.42 A
Output power 65 W/90 W
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)
Media-card reader
Type one 3-in-1 slot
Cards supported • Secure Digital (SD) memory card
• Secure Digital Input/Output (SDIO) card
• Secure Digital Extended Capacity (SDXC) card