Hobbywing SkyWalker 50A 4S V2 RC Brushless ESC Speed Controller With UBEC

50A-4S-V2 COntinuous output: 50A Burst current: 60A@10S Power input: 3-4S Lipo 5V/3A 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: 43gNew V2 versionp/n80060170800600108006002230216000800604428006044080060441Model12AE20A40A V250A-UBEC50A V280A V2100A V2Cont.Current12A25A40A50A50A80A100APeak.Current15A25A60A70A70A100A120AInput Vol (Lipo)2-3S2-3S3-4S2-4S3-4S3-6S3-6SBEC Output5V@2A (Linear mode)5V@2A (Linear mode)5V @ 5A (Switch-mode)5V @ 5A (Switch-mode)5V @ 5A (Switch-mode)5V @ 7A (Switch-mode)5V @ 7A (Switch-mode)Size (mm)38x18x742x25x860x25x860x25x860x25x885x36x985 x 36 x 9Weight (g)19373636367992Wires input20AWG-100mm18AWG-100mm14AWG-100mm14AWG-100mm14AWG-100mm12AWG-100mm10AWG-150mm*Wires output20AWG-100mm18AWG-75mm16AWG-75mm16AWG-75mm16AWG-75mm14AWG-100mm12AWG-100mmOutput connectorsN/A3.5 Gold Connectors (Female)3.5 Gold Connectors (Female)3.5 Gold Connectors (Female)3.5 Gold Connectors (Female)4.0 Gold Connectors (Female)4.0 Gold Connectors (Female)ProgrammingStick / LED program boxStick / LED program boxStick / LED program boxStick / LED program boxStick / LED program boxStick / LED program boxStick / LED program boxFirmware updateNNNNNNN