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GWS's new brushless control is programmable. Out of the package they are set to auto detect Lithium cell count and with brake feature on. With the addition of the inexpensive GWPGM001 programmer, you can set NiCad/NiMH/Lipo detection modes, no brake-light brake-medium brake-strong brake, Throttle delay, switching frequency and level of timing advance (Auto/5/12/18/25 degrees). A lot of nice features for a low cost control.
GWESC45A Performance Data: Max Amps:45A Weight: 32 grams Internal Resistance: 2.33mOhms BEC:4A/5.0V Ni-Cd or NiMh Battery: 6-12cells Lipo Battery: 2-4 cells or 2-4 A123 Lithium Iron cells Size: 75x30x9mm (2.95x1.18x0.35")
 "GWS BRUSHLESS ESC 45A - Lipo/A123")