Hobbywing Skywalker 15A 20A 30A 40A 50A V2 ESC Speed Controller With UBEC For RC Airplanes Helicopter

15A:
Specifications:
Constant current: 15A
Peak current (10s): 20A
BEC: 5V 2A
Lipo: 2-3S
Net Weight: 14g
20A:
Model: Skywalker-20A
Continuous Current: 20A
Burst Current (>10s): 25A
BEC Mode: Linear
BEC Output: 5V2A
BEC Output Capability: 5 Servos (2S Lipo) / 4 Servos (3S Lipo)
Battery Cell: 2-3S (Lipo) / 5-9 cells (NiMH)
Net Weight: 19g
Dimension (L x W x H): 42 x 25 x 8mm
Cable length: 25cm
Package size: 12.5 * 11 * 2.5cm
30A:
Constant Current: 30A
Peak Current:40A(10s)
Voltage: 2-3S lixx
BEC: Yes
BEC Output: 5V/2A
Color: black
Programmable:Yes
Size: 70*25*8mm (not including cable length)
Net Weight:38g
40A V2:
Model: Skywalker-40A V2 UBEC
Continuous Current: 40A
Burst Current (>10s): 55A
BEC Mode: Linear
BEC Output: 5V5A
BEC Output Capability: 5 Servos (3S Lipo) / 4 Servos (3S Lipo)
Battery Cell: 3-4S (Lipo)
Net Weight: 35g
Dimension (L x W x H): 68 x 25 x 8mm
Backward thrust:YES
50A V2:
COntinuous output: 50A V2 UBEC
Burst current: 60A@10S
Power input: 3-4S Lixx/11-12S Nixx
5V/5A BEC output, switch mode
Refresh rate: 50Hz-432Hz
Max.rotation speed: 2-Pole 210000rpm/min; 6-Pole 70000rpm/min; 12-Pole 35000rpm/min
Dimension: 68*25*12mm
Weight: 43g
Backward thrust:YES