What are the AA batteries with the best value for money skills?

Have you ever been numb for a few minutes in front of the shelves of batteries, undecided whether to choose a pack of batteries or a cheap brand like Duracell or Energizer for twice the price? For rechargeable immediate capacity in milliamps gives us an indication of the duration fairly faithful, but the batteries are groping in the dark between traditional classifications like Ultra, plus power, ultimate, and so on.

A software developer with dot electronics, to cut the Gordian knot has procured a package of all batteries that you could find and built a small test platform to test its capabilities.

The "trap" of batteries returns the values ​​in Joules and Watt-hour, while a sensor keeps an eye on the temperature to keep the test as uniform as possible. The data is then downloaded via USB port and analyzed separately. The article continues after the break.