Battery

BIOS screen: 6-9 W
GRUB screen: 9 W
Linux booting: 7-9 W
Login prompt: 7.3 W
X11 (vesa driver): 7 W

From A110 Wiki

A110 battery

The battery in the A110 is a Li-Ion 4800mAh device.

Overview

The battery usually lasts about 4:30 up to 5:00 hours, depending on what you're doing. The extremes:
- Idle: 5:00 hours (ca. 6.3 W power consumption)
  - Tested with min. LCD brightness, wireless off, no USB devices attached, 0% CPU load all the time.
- Max. load: 3:30 hours (ca. 10.6 W power consumption).
  - Tested with max. LCD brightness, wireless on, bluetooth (USB dongle) on, 100% CPU load all the time.
It takes approx. 2:30 hours for fully charging the battery (ca. 31.5 W power consumption), depending on what you're doing while charging the battery.

Uwe Hermann has tested the power consumption of the A110 laptop.

All tests were done with a Voltcraft Energy Check 3000, with the A110 laptop battery removed.

Laptop off: 0 W
Idle: 7.3 W
- Idle + lowest LCD brightness: 6.3 W
- Idle + lowest LCD brightness + lid closed: 5.6 W
100% CPU load, highest LCD brightness: 10.6 W
A110 with battery attached and being charged: 31.5 W

cpufreq-set -g performance/powersave: +/- 0.3 W
Full/Low LCD brightness: +/- 0.8 W
Wireless on/off: +/- 1.4 W
Bluetooth USB dongle on/off: +/- 0.4 W
Audio on/off (alsamixer): +/- 0.4 W
- Higher volume means more power consumption.
Closed lid on console or X11 (set max. LCD brightness before): +/- 1.4 W