light bar installation pics

Sorry, I am sure there are many threads but I never seem to find a consistent answer. So here is what I am thinking...feel free to suggest others. Have a new (July) P700-4 Deluxe. I have been looking at the Nilite 4 gang switch panel...it is about $30. I plan to get a middle of the road 20"...

I want to add 5 light bars to my pioneer 1000-5. I would like to have 2 in the front ie roof and bumper and one for each side and rear all controlled by switches. Does anyone have experience with this? Do i need to get a extra battery? Do i need to update the alternator so that it...