|  | BRUSHED MOTOR ESCBrushed Motor ESC Brushed Motors Brushless Electronic Speed Controller Dynam Esky Align 20a 25a 30a |
 | BRUSHLESS MOTOR ESCBrushless Motor ESC Brushless Electronic Speed Controller Dynam Esky Align 20a 25a 30a |
|  | EXTERNAL BEC'SExternal Bec's Many people don't realize that their ESC's BEC rating is misleading. With the linear BEC built into most speed controls, The current rating decreases as pack voltage increases. For example, several popular 25A ESCs with "3A" BECs are only capable of supplying 0.5A when running from a 3s pack. |
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