{"product_id":"src-mad-669-max20-400a-hv-6-12s-brushless-sensored-esc-for-1-5-1-6-rc-model-car","title":"MAD MAX20 400A HV 6-12S Sensored Brushless ESC w\/ Bluetooth, IP67, 10A\/25A BEC for 1\/5 RC Car","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMAD MAX20 is a high-voltage (HV) electronic speed controller (ESC) for RC model car applications, specified for 6~12S LiPo power and 400A continuous current. It supports sensored or sensorless square-wave control of brushless motors, built-in Bluetooth connection to a mobile app, and adjustable BEC voltage.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e400A continuous current; current control similar to wave-by-wave current limiting to limit peak current and help avoid motor damage\u003c\/li\u003e\n\u003cli\u003ePower supply: 6~12S LiPo\u003c\/li\u003e\n\u003cli\u003eSupports sensored or sensorless square-wave control of brushless motors\u003c\/li\u003e\n\u003cli\u003eMax electric speed: 240,000 rpm (electric speed); motor-speed relationship depends on pole pairs\u003c\/li\u003e\n\u003cli\u003eBEC voltage selectable via mobile app: 6.0V \/ 7.4V \/ 8.4V; BEC current: 10A continuous, 25A short-term\u003c\/li\u003e\n\u003cli\u003eFan intelligent start\/stop thresholds: fan ON at \u0026gt; 55°C, fan OFF at \u0026lt; 50°C; fan power may be cut during large current abnormality\u003c\/li\u003e\n\u003cli\u003eBuilt-in Bluetooth: parameter adjustment, firmware upgrade, and motor operation data observation (data log and real-time data)\u003c\/li\u003e\n\u003cli\u003eHigh-power DC conversion circuit for BEC loading capability\u003c\/li\u003e\n\u003cli\u003eProtection functions: low voltage, over voltage, throttle loss, abnormal braking, over temperature, etc.\u003c\/li\u003e\n\u003cli\u003eTurbo timing available (max support 26° shown in product parameters)\u003c\/li\u003e\n\u003cli\u003eSupports X.BUS protocol for real-time control and operation data reading through bus; can be used for automation\/robot programming control\u003c\/li\u003e\n\u003cli\u003eAll-weather operation capability: IP67 protection rating (waterproof and dustproof)\u003c\/li\u003e\n\u003cli\u003eWorking environment temperature: -20~65°C\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor pre-sales compatibility questions (battery, motor, wiring, and app use) or after-sales support, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMAX20 400A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum continuous current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6~12S LiPo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended motor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensor or sensorless square-wave control of brushless motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax electric speed (note)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e240,000 rpm (electric speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEC voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.0V \/ 7.4V \/ 8.4V (switchable via mobile app)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEC current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A continuous, 25A short-term\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFan control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eON at \u0026gt; 55°C; OFF at \u0026lt; 50°C; fan powered by BEC; fan short-circuit protection cuts power and recovers in 1 second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBluetooth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMobile app parameter adjustment; firmware upgrade; data log and real-time data observation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e127.50(L) * 81.00(W) * 59.50(H) mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≈768 g (with wire \/ wiring harness included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking environment temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20~65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\/Motor cable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7AWG \/ 8.0 mm golden plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTurbo\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax support 26°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eMotor Speed Note\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWhen the number of pole pairs is 1, electrical speed equals mechanical speed.\u003c\/li\u003e\n\u003cli\u003eElectrical speed = Mechanical speed × Number of pole pairs = KV value × Bus voltage × Number of pole pairs.\u003c\/li\u003e\n\u003cli\u003eMotor speed can be very high when idling; use caution.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBluetooth (Mobile App)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAll ESC parameters can be adjusted via the mobile app.\u003c\/li\u003e\n\u003cli\u003eESC firmware can be upgraded via the mobile app.\u003c\/li\u003e\n\u003cli\u003eMotor operation data observation: data log (static data) and real-time debugging data.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBluetooth name rule:\u003c\/strong\u003e “approximate model” + “-” + “ESC code ID”. Example: “XC_E3-1C89”, where XC_E3 is the approximate model and “1C-89” is the hexadecimal code ID. Even if the name is customized, the ESC code ID is retained to help avoid duplicate names.\u003c\/p\u003e\u003ch2\u003eConnections\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch wire:\u003c\/strong\u003e red and black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrottle wire:\u003c\/strong\u003e red: BEC+, black: BEC-, white: throttle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX.BUS wire:\u003c\/strong\u003e red: BEC+, brown: BEC-, yellow: X.BUS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eConfigurable Items (App\/ESC)\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeq\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOptions \/ Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eRunning mode\u003c\/td\u003e\n\u003ctd\u003eForward with brake \/ Forward \u0026amp; Reverse and Brake \/ Forward with reverse\u003c\/td\u003e\n\u003ctd\u003eForward \u0026amp; Reverse and Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eLipoCells\u003c\/td\u003e\n\u003ctd\u003eAuto \/ 6 ~ 16S\u003c\/td\u003e\n\u003ctd\u003eAuto\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eBEC voltage\u003c\/td\u003e\n\u003ctd\u003e6.0V \/ 7.4V \/ 8.4V\u003c\/td\u003e\n\u003ctd\u003e6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eCutoff Voltage\u003c\/td\u003e\n\u003ctd\u003eDisabled \/ 2.9~3.6V\u003c\/td\u003e\n\u003ctd\u003e3.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eMotor Rotation\u003c\/td\u003e\n\u003ctd\u003eForward \/ Reverse\u003c\/td\u003e\n\u003ctd\u003eForward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eMax. Brake Force\u003c\/td\u003e\n\u003ctd\u003e0~100%\u003c\/td\u003e\n\u003ctd\u003e60%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eMax. Reverse Force\u003c\/td\u003e\n\u003ctd\u003e0~100%\u003c\/td\u003e\n\u003ctd\u003e25%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003ePunch\u003c\/td\u003e\n\u003ctd\u003e0~12 level\u003c\/td\u003e\n\u003ctd\u003e6 level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eDrag Brake Force\u003c\/td\u003e\n\u003ctd\u003e0~100%\u003c\/td\u003e\n\u003ctd\u003e0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eTurbo Timing\u003c\/td\u003e\n\u003ctd\u003e0~26 degree\u003c\/td\u003e\n\u003ctd\u003e26 degree\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eTurbo Delay\u003c\/td\u003e\n\u003ctd\u003e0~1S\u003c\/td\u003e\n\u003ctd\u003e1s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eInitial PWM\u003c\/td\u003e\n\u003ctd\u003e1~10%\u003c\/td\u003e\n\u003ctd\u003e5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eMotor Pole Pairs\u003c\/td\u003e\n\u003ctd\u003e2~15%\u003c\/td\u003e\n\u003ctd\u003e10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eMotor Pole Pairs\u003c\/td\u003e\n\u003ctd\u003e1~64\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eCommunication BUS\u003c\/td\u003e\n\u003ctd\u003eX.BUS Protocol\u003c\/td\u003e\n\u003ctd\u003eX.BUS Protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eX.BUS-ID\u003c\/td\u003e\n\u003ctd\u003e0~15\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eRunning Mode Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOption 1: Forward with brake\u003c\/strong\u003e — vehicle moves forward and has brake function (commonly accepted in races).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOption 2: Forward\/Reverse and Brake\u003c\/strong\u003e — “training” mode. First reverse-zone trigger applies brake; reverse engages after returning to neutral and re-triggering reverse when the motor has stopped. Designed to help prevent accidental reverse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOption 3: Forward and Reverse\u003c\/strong\u003e — motor reverses when throttle moves from neutral to reverse point; generally used in special vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eStart Process\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eCheck whether the circuit is open, short circuit, or in poor contact.\u003c\/li\u003e\n\u003cli\u003eCheck whether the motor is stuck.\u003c\/li\u003e\n\u003cli\u003ePlug in the power cable.\u003c\/li\u003e\n\u003cli\u003eTurn on the power button. When the battery prompt tone is heard (normal startup prompt), startup is normal. If throttle is normal, operate normally.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eSet the Throttle Range\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eKeep the ESC off. Move the throttle to the end point of reversal. Power up ESC. Wait for the red and green lights to stop flashing (about 5 seconds).\u003c\/li\u003e\n\u003cli\u003eMove the throttle to the end point of forward within 1 second and hold. Wait for the green light to stop flashing.\u003c\/li\u003e\n\u003cli\u003eMove the throttle to the neutral position within 1 second and hold. Wait for the red light to stop flashing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuccess prompt:\u003c\/strong\u003e repeats four times (red and green lights on + motor beep “so, mi, do” + red\/green lights off + 0.2 s vacancy). \u003cstrong\u003eFailure prompt:\u003c\/strong\u003e no signs; ESC powers on.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eRecover Factory Parameters\u003c\/h2\u003e\u003ch3\u003eRestore Bluetooth to factory settings\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eConnect ESC wire (the white wire) to BEC+ (red wire).\u003c\/li\u003e\n\u003cli\u003eTurn on ESC.\u003c\/li\u003e\n\u003cli\u003eDisconnect from BEC when green light is off and red light is on.\u003c\/li\u003e\n\u003cli\u003eRemove the short circuit.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eWhen boot is activated, Bluetooth restores to factory value (password restored to 1234 and name restored to factory state). Restart ESC. If there is a hardware error, boot can be activated in this way to upgrade hardware.\u003c\/p\u003e\u003ch3\u003eRestore parameters to factory settings\u003c\/h3\u003e\u003cp\u003eClick the default button on the app parameter page.\u003c\/p\u003e\u003ch2\u003eLED Status \u0026amp; Beep Instructions\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eType description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLight cue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSound cue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRemark\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasic information\u003c\/td\u003e\n\u003ctd\u003eThrottle not zeroed\u003c\/td\u003e\n\u003ctd\u003eRed light flashes quickly\u003c\/td\u003e\n\u003ctd\u003eLong tone “beep”\u003c\/td\u003e\n\u003ctd\u003eRed light flashes quickly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasic information\u003c\/td\u003e\n\u003ctd\u003eThrottle signal lost\u003c\/td\u003e\n\u003ctd\u003eRed light flashes slowly\u003c\/td\u003e\n\u003ctd\u003eLong tone “beep”\u003c\/td\u003e\n\u003ctd\u003eIn cycle of 2 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage detection\u003c\/td\u003e\n\u003ctd\u003eLow voltage protection\u003c\/td\u003e\n\u003ctd\u003e(Red x1, Green x2) …\u003c\/td\u003e\n\u003ctd\u003eLong tone “beep” x1, Short tone “beep” x2\u003c\/td\u003e\n\u003ctd\u003eCheck input voltage or cell-count setting if no “beep” before MOSFET detecting.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage detection\u003c\/td\u003e\n\u003ctd\u003eOver voltage protection\u003c\/td\u003e\n\u003ctd\u003e(Red x1, Green x3) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eVoltage is too high; check whether voltage is over the withstand value of ESC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasic information\u003c\/td\u003e\n\u003ctd\u003eThe MOS temperature is too high, operating temp. \u0026gt; 125°C \/ startup temp. \u0026gt; 110°C\u003c\/td\u003e\n\u003ctd\u003e(Red x1, Green x4) …\u003c\/td\u003e\n\u003ctd\u003eLong tone beep x1, short tone beep x4\u003c\/td\u003e\n\u003ctd\u003eESC can resume normal operation when temperature drops below 100°C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasic information\u003c\/td\u003e\n\u003ctd\u003eThe capacitor temperature is too high, operating temp. \u0026gt; 105°C \/ startup temp. \u0026gt; 100°C\u003c\/td\u003e\n\u003ctd\u003e(Red x1, Green x5) …\u003c\/td\u003e\n\u003ctd\u003eLong tone beep x1, short tone beep x5\u003c\/td\u003e\n\u003ctd\u003eESC can resume normal operation when temperature drops below 100°C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle parameters\u003c\/td\u003e\n\u003ctd\u003eAbnormal throttle parameters\u003c\/td\u003e\n\u003ctd\u003e(Red x1, Green x7) …\u003c\/td\u003e\n\u003ctd\u003eLong tone beep x1, short tone beep x7\u003c\/td\u003e\n\u003ctd\u003eIf abnormal prompt persists when positioning throttle to neutral, initiate throttle calibration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHall sensing abnormality\u003c\/td\u003e\n\u003ctd\u003eHall output logic abnormality\u003c\/td\u003e\n\u003ctd\u003e(Red x1, Green x8) …\u003c\/td\u003e\n\u003ctd\u003eLong tone beep x1, short tone beep x8\u003c\/td\u003e\n\u003ctd\u003eRe-plug Hall wire. If abnormality persists, internal Hall of motor may be the issue; Hall wire needs to be unplugged.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle calibration prompt\u003c\/td\u003e\n\u003ctd\u003eCalibrate low range\u003c\/td\u003e\n\u003ctd\u003e(Red Green) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eIf calibration is irregular\/unsuccessful, ESC exits calibration and enters normal startup.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle calibration prompt\u003c\/td\u003e\n\u003ctd\u003eCalibrate high range\u003c\/td\u003e\n\u003ctd\u003e(Green) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eIf calibration is irregular\/unsuccessful, ESC exits calibration and enters normal startup.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle calibration prompt\u003c\/td\u003e\n\u003ctd\u003eCalibrate neutral throttle\u003c\/td\u003e\n\u003ctd\u003e(Red) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eIf calibration is irregular\/unsuccessful, ESC exits calibration and enters normal startup.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle calibration prompt\u003c\/td\u003e\n\u003ctd\u003eCalibration success\u003c\/td\u003e\n\u003ctd\u003e(Red Green) x4\u003c\/td\u003e\n\u003ctd\u003e(so-mi-do) x4\u003c\/td\u003e\n\u003ctd\u003eIf calibration is irregular\/unsuccessful, ESC exits calibration and enters normal startup.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal operation\u003c\/td\u003e\n\u003ctd\u003eAll normal and no action to throttle\u003c\/td\u003e\n\u003ctd\u003e(Green) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle operation\u003c\/td\u003e\n\u003ctd\u003eNormal\u003c\/td\u003e\n\u003ctd\u003eThe greater the accelerator, the faster the green light flashes\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle operation\u003c\/td\u003e\n\u003ctd\u003eTurbo timing is on\u003c\/td\u003e\n\u003ctd\u003eGreen light remains on\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal operation\u003c\/td\u003e\n\u003ctd\u003eBraking\u003c\/td\u003e\n\u003ctd\u003eRed light is on\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eRed light off when release brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoot\u003c\/td\u003e\n\u003ctd\u003eEntering boot forcibly\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eFollow the process of Bluetooth factory reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoot\u003c\/td\u003e\n\u003ctd\u003eBoot in progress\u003c\/td\u003e\n\u003ctd\u003eGreen light: On 2 s \u0026amp; Off 2 s\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eThe duration of the red light on = the time of the flash operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoot\u003c\/td\u003e\n\u003ctd\u003eBoot in progress\u003c\/td\u003e\n\u003ctd\u003eRed light remains flashing\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eThe duration of the red light on = the time of the flash operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNormal startup\u003c\/td\u003e\n\u003ctd\u003ePrompt for the number of battery cells after normal startup\u003c\/td\u003e\n\u003ctd\u003eQuinary prompt light signal; long tone with red light on; short tone with green light on\u003c\/td\u003e\n\u003ctd\u003edo, mi, so + quinary prompt sound\u003c\/td\u003e\n\u003ctd\u003eQuinary definition: long tone = 5 cells, short tone = 1 cell. Example: 8-cell prompt sound: do, ri, mi + long tone x1 + short tone x3.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault warning\u003c\/td\u003e\n\u003ctd\u003eMOS abnormality self-test: MOS open circuit\u003c\/td\u003e\n\u003ctd\u003e(Red x2) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eUnplug motor wire. If abnormality persists, ESC needs inspection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault warning\u003c\/td\u003e\n\u003ctd\u003eMOS abnormality self-test: MOS short circuit\u003c\/td\u003e\n\u003ctd\u003e(Red x2, Green x1) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eUnplug motor wire. If abnormality persists, ESC needs inspection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault warning\u003c\/td\u003e\n\u003ctd\u003eAbnormal sampling circuit of current\u003c\/td\u003e\n\u003ctd\u003e(Red x2, Green x2) …\u003c\/td\u003e\n\u003ctd\u003eNil\u003c\/td\u003e\n\u003ctd\u003eUnplug motor wire. If abnormality persists, ESC needs inspection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003cbr\u003e\n1) Red light matches long tone; green light matches short tone.\u003cbr\u003e\n2) For saving power, all “beeps” last for 5 minutes; if all faults are recovered, it takes effect again in the next 5 minutes.\u003cbr\u003e\n3) Ellipsis “...” in light cue represents repetition of previous action.\u003c\/p\u003e\u003ch2\u003ePrecautions\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eDo not connect ESC input wires DC+ and DC- in reverse. Reverse connection may damage the ESC; warranty service is not provided in this case.\u003c\/li\u003e\n\u003cli\u003eIf a Hall sensor is used, check the motor phase wires and Hall wiring.\u003c\/li\u003e\n\u003cli\u003eFor motors without temperature sensors, long-term high-power operation may cause burnout.\u003c\/li\u003e\n\u003cli\u003eSome motor mechanical structures cannot support high speed; forcing higher speed may damage the motor.\u003c\/li\u003e\n\u003cli\u003eIf not used for more than 1 hour, unplug the ESC power wires.\u003c\/li\u003e\n\u003cli\u003eIf any connection line modifications are made, check the circuit carefully before use. Open the throttle slowly and confirm no errors before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eThrottle Calibration (Video)\u003c\/h2\u003e\u003ciframe allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen=\"allowfullscreen\" frameborder=\"0\" height=\"823\" referrerpolicy=\"strict-origin-when-cross-origin\" src=\"https:\/\/www.youtube.com\/embed\/hF1R4T5cDvQ\" title=\"How to calibration the MAD MAX ESC? #rccar #rccars #rccarsracing\" width=\"463\"\u003e\u003c\/iframe\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15.jpg?v=1777280199\"\u003e\u003cp\u003eMAD MAX20 400A HV ESC features a fan-cooled case, heavy-gauge power leads, and clear 6–12S LiPo and 10–25A BEC labeling for setup.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_3d0bd44e-df33-4649-b280-a963856fbd1f.jpg?v=1777280206\"\u003e\u003cp\u003eThe MAD MAX20 HV sensored brushless ESC uses an intelligent cooling fan that starts and stops automatically to help manage temperatures.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_56ad66f3-c797-47f3-95d8-4adc36268eef.jpg?v=1777280213\"\u003e\u003cp\u003eThe MAD MAX20 ESC includes built-in Bluetooth for direct mobile app connection for parameter setting, data reading, and firmware upgrades.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_a4b3eb9f-eb0d-4829-87cd-05ca16819fc6.jpg?v=1777280221\"\u003e\u003cp\u003eBuilt-in real-time data recording lets you review operating status through an app-style graph for easier tuning and troubleshooting.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_f3d7c6d4-7fbd-496c-83ca-40a743a87a51.jpg?v=1777280232\"\u003e\u003cp\u003eThe built-in BEC supports up to 25A output with selectable 6V, 7.4V, or 8.4V to power compatible high-voltage servos.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_dbd0a0c9-681b-40d8-8c91-54eb39c592d4.jpg?v=1777280242\"\u003e\u003cp\u003eThe MAD MAX20 HV sensored brushless ESC features an IP67 protection rating for more confident use in wet and dusty conditions.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_65c38f05-95cd-4044-b19f-73519d052e88.jpg?v=1777280254\"\u003e\u003cp\u003eMAD MAX20 400A ESC for model cars uses a fan-cooled heatsink design with thick power leads and sensor wiring for 6–12S LiPo setups.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_442421dd-d0c3-4303-ba12-ddbfcd95c16a.jpg?v=1777280266\"\u003e\u003cp\u003eThe MAD MAX20 400A HV sensored brushless ESC is IP67-rated and lists 400A continuous current with a 10A–25A max BEC and 7AWG\/8.0mm motor cabling.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_a23e5a5c-bf13-4a19-8999-a07d984a3ca2.jpg?v=1777280276\"\u003e\u003cp\u003eThe MAD MAX20 400A HV sensored ESC wiring layout shows connections for the motor sensor lead, throttle\/BEC lead, and battery inputs for a clean, organized install.\u003c\/p\u003e\n\u003cimg alt=\"MAD MAX20 400A HV 6-12s Brushless Sensored ESC for 1\/5 (1\/6)RC model car\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-MAX20-400A-HV-6-12s-Brushless-Sensored-ESC-for-15_b52f1704-9b06-4117-8b7e-491464d85644.jpg?v=1777280285\"\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/rcdrone.top\/collections\/mad-esc\" title=\"MAD ESC\"\u003eMAD\u003c\/a\u003e MAX20 ESC uses a simple throttle calibration sequence, using red\/green LED prompts while moving the throttle from full to neutral.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"Default Title","offer_id":52199109099744,"sku":"0102DT0193","price":872.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/4b75cc5edf.jpg?v=1777215860","url":"https:\/\/rcdrone.top\/products\/src-mad-669-max20-400a-hv-6-12s-brushless-sensored-esc-for-1-5-1-6-rc-model-car","provider":"RCDrone","version":"1.0","type":"link"}