Power distribution is a critical part of your drone, so its important that you choose the correct system for your drone. If you choose a PDB that is not rated to handle the power requirements of your motors, you could end up burning the PDB which will result in a crash.
Fortunately, we have written a detailed PDB buying guide that will talk you through the important factors you need to consider to ensure the PDB you purchase is the right one fro your drone. Otherwise if you have any questions you can always contact us.
In the guide we cover things such as working out how much current your motors will dray to ensure your PDB has the correct rating. Other things to consider is using an integrated or standalone PDB.