Hobbywing EZRun MAX4 HV 300A ESC

The Hobbywing EZRun MAX4 HV 300A ESC (HW30104002) is a heavy-duty brushless speed controller designed for large-scale 1/4–1/5 vehicles. With a robust waterproof and dust-proof construction, it is built to handle harsh conditions such as sediment, ice, snow and water accumulation. Supporting both sensored and sensorless brushless motors, 6–12S LiPo input and a powerful high-voltage BEC, it provides reliable control for demanding setups.

Features

• Innovative waterproof and dust-proof design for dependable running in varied climates and challenging terrain.
• Built-in switch-mode BEC: 10A continuous, 25A burst with selectable 6V / 7.4V / 8.4V to support powerful and high-voltage servos.
• Advanced electronic switch for enhanced reliability, helping to prevent issues linked with traditional mechanical switches in harsh environments.
• Fire-proof circuitry helps protect the battery plug and reduces the risk of case damage from electrical sparks.
• Comprehensive protection suite: low-voltage cutoff, ESC and motor overheat protection, signal loss protection and current protection.
• Parameter setup supported via LED program card, LCD program box or OTA programmer (optional).
• Real-time data recording available through the HW LINK app when using the OTA Bluetooth module.

Key Specifications

• Scale vehicles: 1/4 – 1/5th
• Continuous / peak current: 300A / 2000A
• Motor mode: Sensored and sensorless brushless
• Input: 6–12S LiPo
• Motor limit: With 12S LiPo, KV ≤ 600 (70125 size motor)
• BEC output: 6V / 7.4V / 8.4V adjustable, 10A continuous (switch-mode)
• Programming port: Shares with Fab interface
• Switch mode: Electronic switch
• Capacitor protection: Yes
• Waterproof: Yes
• Size (L x W x H): 125 x 85 x 61.7 mm
• Weight: 775.4 g

Combining high current handling with a configurable HV BEC and extensive protections, the EZRun MAX4 HV 300A provides the control and durability required for large-scale performance. Optional programming accessories and OTA connectivity make setup and data review straightforward for fine-tuning.