wiimotes disconnect during the game

[xpert]

Hello:

i have follow the steps in order to convect the wiimotes, i have 2, the thing is that they connect correctly to my computer, when i start dolphin, the program detects them normally and establish as controller 1 and controller 2, they vibrate during this process for a moment, then, when i enter to the game, the controllers disconnect automatically, so i have to go over the steps again to have them connected. It only lasts functioning during the game like 1 minute, then they disconnect, and so on
Please help me