well the other day i had to change lights 'cos some o them didn't work( fog light in the left, and the right back light) and something happen that i can explain....

The next day after i change the lights my Xfire didn't start... so i check it out and the battery was out... why i had to leave for a trip that day so i couldn't check exactely what it was.... 3 days pass and i arrive to my house and i check my xfire and the baterry was completely dead ... i charge try to pass some charge but i didn't start... then i bought a charger and finaly my car start.... but thats not the problem afther i drove my car for some time y park my car on a friends house and when i try to start again my car the battery was dead why? i have try the same thing for more than 5 times... and my car can't hold the charge... can some one help me... or does someone has pass for the same?