When the lights go out, you need a reliable torch close at hand. I have three LED Lensers headlamps at home, one for each member of my family. It frees up my hands so I can carry things, cook, or even just use it as alight to find the bathroom without bashing into furniture or walk over the cat.
I use the NEO range of torches as the batteries are replaceable and I do not have to worry about charging them or flat batteries.
The NEO headlamps were a real benefit when the lights went out in South Australia. They are also great when you just need a light and your hands free.