Don't do this at home, kids! WARNING: Li-Ion batteries can EXPLODE, especially when getting wet. If you intend to do this, do it at your own risk. I'd recommend against it.

1. Use a flathead screwdriver to level the case apart. 2. Proceed at the nearest corner and push the case apart with your fingers. 3. Work your way along the side ... 4. ... until you end up at the front. 5. Continue with the other side on the rear. One final push ... 6. ... and it's all yours: 9 cells, 1 controller board and 1 board with the LEDs