Hifei Swordfish X+ 300 amp water cooled esc. This is a high quality ESC designed specifically for racing boat. Programming can be done with the included program cable (hef-h#0012) or optional WiFi dongle (hef-h#0013) . Key Features:- 300 Amps, 4s to 14s LiPo Cells. Metal case version with full water proofing.- 32-bit Microprocessor Controlled with up to 80Mhz frequency. - Aluminum PCB Technology makes the heat dissipation more efficiency.- The Most Advanced Automotive Level High Power Ultra-Low Internal Resistance 263-7 MOSFETs- Built-In Data Logger (record critical parameters: Current/Voltage/Motor RPM/Temperature/Throttle Travel), read by using the included program cable* or WIFI dongle. - Integrated the double water cooler. - High rate adjustable switching (PWM:8KHz/12KHz/16KHz)- Programmable low voltage cut-off.- Programmable Cutoff voltage/cell-Programmable cut-off types(soft cut-off/hard cut-off) - Time advance programmable (auto / low / middle / high,0~30 degree optional)- Programmable start-up type(soft start / standard start / fast start)- Programmable Active Free Wheeling ( ON / OFF ) - Programmable Current Limiting ( Low / Middle / High / Disabled ) - Forward Only. - Safe 'power on' arming program ensures motor will not accidentally turn on. - Auto shut down when signal is lost or radio interference becomes severe for more than 0.1 seconds. After radio connection has been re-established, moving the throttle to the lowest position can restart the motor. - The ESC is disabled when the voltage is over 63 v at power-on Specs:Input Voltage: 4S-14S Lipo CellsContinuous Current (Surge): 300A (380A)BEC: none (OPTO)Programming method: Using the included program cable or optional HiFei Wifi dongle(Not available at this time).Data Logger Included: yesDimension: 120mm x 73mm x 25mm (excluding water outlet )Weight: 490g (Completely Water Proof) Requires: External battery eliminator circuit or 6 volt pack to power your receiver.NOTE: *Programming cable requires Windows PC.
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