12A:
Continuous current 12A, short current 15A (less than 10 seconds)
Power consumption: two lithium batteries or 5-6 NiMH/NiCd battery pack
BEC output: 5V at 1A (linear controller mode-linear mode)
Throttle signal frequency range (refresh frequency): 50Hz-432Hz
Maximum speed: 2-engine 210000 rpm, 6-engine 70,000 rpm, 12-engine 35,000 rpm
Size: 38mm (length) *18mm (width) *6mm (H)
Weight: 9g

20A:
Model: Skywalker-20A
Continuous current: 20A
Series current (>10s): 25A
BEC mode: linear
BEC output: 5V2A
BEC output power: 5 servo (2S Lipo) / 4 servo (3S Lipo)
Battery: 2-3S (Lipo) / 5-9 cells (NiMH)
Net weight: 19g
Dimension (length x width x height): 42x25x8mm
Cable length: 25cm
Package size: 12.5*11*2.5cm

30A:
DC: 30A
Peak Current: 40A(10s)
Voltage: 2-3S lixx
BEC: Yes
BEC output: 5V/2A
Color: black
Programmable: yes
Size: 70*25*8mm (without cable length)
Net weight: 38g

40A:
Model: Skywalker-40A
Continuous current: 40A
Series current (>10s): 55A
BEC mode: linear
BEC output: 5V2A
BEC output power: 5 servo (2S Lipo) / 4 servo (3S Lipo)
Battery: 2-3S (Lipo) / 5-9 cells (NiMH)
Net weight: 35g
Dimension (length x width x height): 68x25x8mm

50A:
Continuous output power: 50A
Series current: 60 a at 10S
Power consumption: 2-4S Lixx/5-12S Nixx
BEC 5V/3A output, switching mode
Refresh rate: 50Hz-432Hz
Max. rotational speed: 2-pole 210000 rpm/min/min; 6-pillar 70000 rpm/min/min; 12-pole 35000 rpm/min/min
Dimension: 68*25*12mm
Weight: 43g

60A:
Item name: Hobbywing SkyWalker 60A UBEC ESC
DC: 60A
Series current (>10s): 80A
BEC mode: switching mode
BEC output: 5V at 3A
Battery: 2-6 Lipo cells or 5-18 NiHH cells
Refresh rate: 50Hz-432Hz
Dimension: 77x35x14mm
Weight: 63g
Maximum speed: 210000 rpm/min (2-poles of the engine), 70000 rpm/min (6-poles of the engine), 35000 rpm/min (12-poles of the engine)

80A:
Item name: SkyWalker 80A UBEC
Type: brushless ESC, regular voltage
Cont./peak current: 80A/100A
Input: 2-6S LiPo,5-18s Ni-MH
BEC output: switching mode-5V.5A
Input cables: Red-12AWG-150mm┬1,Black-12AWG-150mm┬1
Output cables: Black-14AWG-100mm┬3
Input connectors: no
Output connectors: no
ESC programming by: transmitter, LED program card, Program port (program cable/throttle)
Software update: not supported
Size: 86.0×38.0x12.0mm
Weight: 82g