Dell Alienware M11x R3 (Early 2011) - Manual (Page 106)

CHAPTER 7: SPECIFICATIONS
104
Battery
Temperature range
Operating 0° to 50°C (32° to 122°F)
Storage –20° to 60°C (–4° to 140°F)
Coin‑cell battery CR-2032
AC Adapter
Type
65 W/90 W
Input voltage 100-240 VAC
Input current (maximum)
65 W 1.7 A/1.6 A
90 W 1.5 A/1.6 A
Input frequency 50-60 Hz
Output current
65 W 3.34 A (continuous)
90 W 4.62 A (continuous)