Traxxas 3445 Velineon VXL-4s Brushless Electronic Controller
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The Velineon® VXL-4s brushless electronic speed controller delivers next-level performance for RC enthusiasts. Traxxas’ all-new High-Resolution Linear Braking system offers the most precise and intuitive braking control ever. With built-in telemetry and a selectable high-voltage BEC (6.0 or 7.4 volts), the VXL-4s harnesses up to 14.8 volts of LiPo power for jaw-dropping performance. An oversized heat sink keeps temperatures under control, allowing longer, cooler runs.
Compatible with 2s–4s LiPo batteries
Real-time telemetry via Traxxas Link™
Selectable high-voltage BEC: 6.0 V or 7.4 V
High-Resolution Linear Braking for ultimate brake modulation
Large heat sink supports optional cooling fan (Part #3340)
Three programmable driving profiles:
Sport Mode – Forward / Brake / Reverse
Race Mode – Forward / Brake
Training Mode™ – 50% Forward / Brake / 50% Reverse
Simple one-button setup with EZ-Set®
Integrated protection circuitry
LED status indicators

The VXL-4s features a selectable BEC that lets you choose 6.0 V for standard servos or 7.4 V for high-performance models like Traxxas 2280, 2255, and 2250. High-torque brushless servos such as the High-Torque 600 gain over 20% more torque at 7.4 V. Voltage selection is quick and easy via the Traxxas Link app.

Traxxas’ patent-pending High-Resolution Linear Braking technology offers ultra-smooth, intuitive brake feel. The advanced communication system responds instantly to your input—perfect for gentle adjustments or aggressive braking maneuvers. The optional Traxxas Link app gives you full control over brake force tuning to match your track and driving style.
Input Voltage: 2s–4s LiPo (7.4 V – 16.8 V)
Dimensions: 2.40″ x 2.09″ x 1.42″ (61 x 53 x 36 mm)
Weight: 4.20 oz (119 g)
BEC Voltage: Selectable 6.0 or 7.4 volts
Motor Connectors: Traxxas 6.5 mm bullet connectors
Battery Connectors: Traxxas High-Current connectors
Thermal Protection: Two-stage thermal shutdown
Ports: RX input, auxiliary fan connector
Traxxas 3445 Velineon VXL-4s Brushless Electronic Controller