The QuicRun WP Mini24 ESC & 1621SL 3500KV Motor Combo is an ultra-compact, all-weather power system tailor-made for 1/24, 1/18, and 1/16 scale crawlers and micro RC vehicles. Featuring fully waterproof construction, dual compatibility for brushed or brushless motors, and highly efficient low-speed torque, this combo is perfect for mini crawler enthusiasts seeking smooth performance, precise control, and easy installation.

Includes:

QuicRun WP Mini24 ESC (sensorless brushless/brushed support, IP67 waterproof, built-in BEC)
QuicRun 1621SL Brushless Motor (3500KV) (outer rotor design, low-cogging torque)
Brushed adapter cable
User manual

Features:

All-Weather Performance
- IP67 Waterproof Rating: Confidently run in rain, sand, or mud.
- Dustproof Construction: Withstands harsh off-road conditions.
Brushed and Brushless Support
- Operates with sensorless brushless motors (e.g., the included 1621SL) or brushed motors, offering maximum flexibility.
FOC-Style Smoothness
- Low-speed Field-Oriented Control (FOC) design ensures ultra-smooth throttle response and consistent torque at crawling RPMs.
Real-Time Drag Brake Adjustment
- Plug the AUX cable into an open channel on the receiver to fine-tune drag brake force while driving.
Built-in BEC for HV Servos
- Switchable 6V/7.4V, continuous current of 2A (max 6A peak) to power high-torque servos.
Safe and Reliable
- Multiple protections: motor lock-up, low-voltage cutoff, thermal overload, fail-safe, and more.
Easy Installation & Compact Size
- Utilizes PH 2.0 connectors for quick plug-and-play with SCX24 or other mini platforms.
- Very small footprint fits easily into tight chassis layouts.
High-Efficiency 1621SL Motor
- Outer Rotor design reduces vibration and improves cooling.
- Flexible mounting with three sets of M2 screw holes (9, 10, and 12.5mm spacing).
Versatile Programming Options
- Supports LED Program Card or LCD boxes.
- 13 adjustable parameters let you dial in power and response precisely for your setup.

Specifications:

QuicRun WP Mini24 ESC

Continuous/Peak Current: 25A/60A
Battery Input: 2–3S LiPo
Waterproof Rating: IP67
BEC Output: 6V/7.4V @ 2A (Switch-mode)
Dimensions (L×W×H): 28×17.8×13mm
Weight: ~13.5g (with wires & connectors)
Programmable: 13 adjustable parameters via optional LED/LCD program box

QuicRun 1621SL Brushless Motor (3500KV)

Design: Outer rotor, sensorless
KV Rating: 3500KV
Compatibility: 9mm, 10mm, 12.5mm mounting hole patterns
Low Cogging Torque: Smooth throttle and minimal torque pulsation at low speeds
Construction: High-temp enameled wire, high-precision bearings, balanced rotor for minimal vibration

Compatibility:

Suited for 1/24, 1/18, or 1/16 scale crawler and scale trucks
Accepts 2–3S LiPo for varied power levels
Fits popular mini crawler platforms, including the Axial SCX24 (with easy plug-and-play connectors)

Elevate your mini crawler experience with the Hobbywing QuicRun WP Mini24 ESC & 1621SL 3500KV Motor Combo. Its IP67 waterproof design, advanced low-speed torque, real-time drag brake tuning, and brushed/brushless flexibility make it the ultimate mini-size system for serious rock crawling, trail adventures, or backyard bashing. Enjoy the confidence of smooth control and powerful performance wherever you roam!