(Orignal hobbywing skywalker 50 A ESC with 5V /5A UBEC )
capability: Continuous current 50A,
short-time current 65A (less than 10 seconds);
Power input: 2-4s 
UBEC Output: 5V @ 5A
3.5 Gold Connectors (Female) pre sold
Size: 65.0x25.0x12.0mm
Weight: 43g (including heat sink);