This is a MLT-JR tracked robot platform and is equipped with 32mm motors, a motor controller, and Spektrum remote control. This is a rugged robot platform. By default, the treaded robot handles up to 15lbs of additional payload and travels 300ft/min.
The B3 Compact charger is a very simple to use charger for 7.4 2S and 11.1 3S battery packs. No need for additional power supplies or 12v batteries as this little unit has its own built in power supply that can be powered with 100-240v.