JST connectors are tight & tidy, but not that easy to plug into, unless if you have some of these!
Yup... It's a DC power plug jack. Exciting stuff.
Male Strip - 5 per Strip, 0.1" spacing
Micro Deans plugs are usually used in RC vehicle applications but can also be used for all kinds of other high current, small form factor projects. They even have a polarity protection feature built into the design, bonus!