Hard to tell what the motor is by the pic. The way the wire comes out the axle doesn't look like Aotema or Clyte, but the hub doesn't look as big as 9 continent or golden. That's the list of the major direct drive motors, and it also doesn't resemble a gearmotor. But motors do tend to work ok, it's controllers, wiring connectors, chargers etc that tend to go wonky. Any of that is fairly cheap to replace.
The v power batteries have a mixed reputation. If the shipper doesn't pack so good, then it may arrive with some broken connections. The spot welds on the cells inside can pop if they drop the package from far enough height, like falling off the conveyor belt.
But $500 shipped to your door is cheap, why not try it? Because you can do much better if you do have money. Like a 9 continent kit and pingbattery, or headways.
