MX crocodile clips will work up to 15 amp current.
Both side it has insulation to protect you from shock and short circuit.
It will provide tight connection.
It has HD materials cap as insulation.
It is used in industry for making connection with battery.
On the head of clip you can plug the wire by soldering.
It is easy to use.
It is versatile, secure and well established in electronic industry.
It will provide safe operation to your system.