RC How To:
Change Battery Connectors Safely
The first thing you'll need to make sure of is that you have a good soldering iron and a set of female plugs for the ends of your choice. You'll also need a few other things below:
The first thing I do is tin the wire connectors on the ends. I will be using deans connectors for this 4s battery. I use my handy soldering jig from Killer Bee CNC and it makes easy work of it.