Hobbywing EzRun Max4 HV 300A 1/5 ESC w/ Sensor

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Hobbywing EzRun Max4 ESC - 6-12S LiPo!

Max4 is the wildest ESC for remote controlled cars, with crazy 300A and compatible with LiPo batteries up to 12S! The ESC has been developed for 1/4 and large 1/5 RC cars and is by far the most powerful ESC Hobbywing produces.

Developed with cooling in mind

With such a large and powerful ESC, the temperature can quickly become a problem, but the Max4 uses a number of innovative solutions to stay really cool while driving. The printed circuit board has its own heatsink in copper and very large thermal capacitors that prevent them from jumping and damaging the ESC.

Great flexibility and versatility

The ESC has a sensor and delivers the power very linearly so that the car is controllable, even when you fully open the throttle.

In addition, it is waterproof and dustproof (approved to IP-67 standard) so it can be used in all weather conditions, regardless of whether the track is covered in dust, gravel, snow or puddles.

Built-in BEC

The built-in BEC has a max. output current of up to 25A and switchable output voltage (6V / 7.4V / 8.4V). It can drive various servos and high voltage servos with ease and give the driver a great sense of control.

Advanced and safe electronic switch

The electronic switch has a lifetime of over 50,000 switching on and off and has a completely waterproof, dustproof and shockproof design. It solves problems such as stuck and rusted contact points caused by dust and moisture that automatically turn off after violent shocks (like landing after a jump) that conventional mechanical switches can often have.

Connect and use

Standard 6.5mm gold plated connectors on the output end of the ESC are perfectly compatible with motor connectors in many popular 1/8 scale monster trucks such as TRAXXAS and HPI. In addition, the TRAXXAS or DEANS / T connector has been soldered to the input end of the ESC for various battery connectors. To match the mounting holes on the TRAXXAS chassis, we have added some mounting holes for the ESC enclosure to match.

Wide applicability

ESC is a fantastic upgrade solution for the large 1/5 scale RC cars, where the amount of quality parts can otherwise be limited.


  • Vehicles: Large 1/5 scale vehicles
  • Motors: Sensored, brushless motors
  • KV Rating: 12S LiPo: KV≤600 (Hobbywing 70125 motor)
  • Waterproof: Yes
  • Cont./Peak current: 300A / 3000A
  • Input voltage: 6-12S LiPo
  • BEC output: Switch Mode: 6V / 7.4V / 8.4V, 10A
  • Size: 125x85x61.7mm
  • Weight: 775.4 g

Wires and plugs

  • Input cables: Red-8AWG-200mm / Black-8AWG-200mm
  • Input connector: None
  • Output connector: 8 mm Bullet Female Gold connector

(Note: The wire length above is the original length and not the length you see from the outside.)


  • Size: 50x50x15mm
  • Voltage range: 6-8.4V
  • Powered by the BEC

ESC Programming via

  • SET Button on ESC: Not Supported
  • LED Program Box: Supported
  • LCD program box: Supported
  • WiFi Module: Supported
  • Program Port: FAN / Program Port
  • Firmware Upgrade: Supported