The Plus Series 40 amp OPTO ESC is used on aircraft requiring the use of 4 or more LiPo cell packs. The ESC does not have a built in BEC and will require the use of an external BEC [Like this] or an on-board receiver pack.
Plus Series Programing Card Recomended Size: 52 x25 x8mm
Constant Current: 40A
Max Current: 50A (10 seconds)
PWM: 8 KHz
Input: 2 to 6 Li-Po/6 to 16 Ni-MH/Ni-Cd