Of course, there are many different answers to this question based on what your performance goals are. Typically though, you are looking to achieve one of two things, more power or more flight/run time or possibly a combination of both. If you are looking for more power, we can help you with that. If you are looking for longer flight/run times, we can help you with that too. If you have questions about the best performing battery for your application, please contact our battery tech team by clicking here.