These are belheli skylinker 40A esc with bec 5v 3A. Pre sold battery connector and esc connectors High quality powerful esc Belheli version better than simonk It gaves very quick throttle response. Current 40amp Max current 55amp Voltage : 2-3S LiPo BEC output: linear mode: 5V, 3A Output plug: 3.5mm connector Package Included 1x 40amp esc
