3 ms·
I don't know about laptops, but I would expect a lot of these "2 in 1" devices to ship with a 1 or 2 cell battery. Tablets frequently have lower voltage batter
by kogepathic 10y ago
I don't know about laptops, but I would expect a lot of these "2 in 1" devices to ship with a 1 or 2 cell battery.
Tablets frequently have lower voltage batteries. The iPad 4 for example has 3 cells but they're all in parallel, so the voltage is only 4.2V.
For laptops the sweet spot seems to be 3 cells, and I'm not entirely sure why, apart from higher voltages requiring smaller traces/wires. Maybe due to the LCD backlight? The LCD from the iPad 4 actually requires ~12V for the backlight, so there's a buck boost converter somewhere on the iPad logic board for this.