40A mini brushed electric speed controller with adjustable two-way climbing mode for 1/16 and 1/18 scale RC models, compatible with scooters, trucks, tanks and Bigfoot vehicles, using 2S LiPo or 5-6 NiMH batteries, colour G500
40A mini brushed electric speed controller with two-way climbing mode for 1/16 and 1/18 scale RC models

This compact brushed electric speed controller delivers 40A continuous current with 160A peak capability in forward direction, designed specifically for miniature RC vehicles in 1/16 and 1/18 scales. Its adjustable two-way climbing mode provides versatile control for various terrains and driving conditions, from smooth surfaces to challenging inclines. The unit supports multiple battery types including 2S lithium polymer and 5-6 cell nickel metal hydride configurations, offering flexibility in power source selection. With compatibility for scooters, trucks, Bigfoot vehicles and tank models, this controller serves as a central power management component for small-scale RC enthusiasts seeking reliable performance.
Features and Construction

This miniature speed controller combines compact dimensions with robust power handling capabilities, featuring specific current ratings for both forward and reverse operation. The unit's construction focuses on reliable performance within the constraints of small-scale RC applications.
Material and Build
The controller utilises electronic components designed for power regulation in compact spaces, with circuit board assembly optimised for motor control applications. The build incorporates thermal management considerations appropriate for the 40A continuous current rating, ensuring stable operation during extended use. The G500 colour finish provides visual identification while maintaining a professional appearance suitable for installation in various RC vehicle types.
Size and Practical Fit
Designed specifically for miniature applications, the controller's compact dimensions allow installation in 1/16 and 1/18 scale models without compromising interior space. The physical configuration accommodates standard wiring practices for small-scale RC vehicles, with connection points positioned for accessibility during installation. The miniature size ensures compatibility with scooters, trucks, climbing vehicles and tank models in the specified scale ranges.
Uses and Placement

This speed controller serves as the power management centre for various small-scale RC applications, offering three distinct operation modes to match different driving requirements and scenarios.
Event or Professional Use
For organised RC events or professional applications, the controller's climbing mode provides precise control during competitive situations requiring terrain navigation. The 40A continuous forward current supports sustained performance during extended runs, while the 160A peak capability handles acceleration demands. The two-way operation allows for tactical positioning and recovery manoeuvres in competitive environments, with the reverse current of 20A continuous and 80A peak supporting controlled backing operations.
Everyday Home Use
For casual home use and hobby applications, the controller's compatibility with multiple battery types (2S LiPo or 5-6 NiMH) offers flexibility in power source selection based on availability and preference. The one-way operation mode provides straightforward control for beginners, while the climbing mode adds capability for backyard terrain exploration. Support for 280, 370 and 380 size motors allows matching with various power plants depending on performance requirements and vehicle characteristics.
Benefits and Buying Value

This speed controller provides practical advantages through its specific design features and compatibility with common small-scale RC components.
Reuse and Low Maintenance
The controller's support for multiple battery chemistries and motor sizes increases its potential for reuse across different projects and vehicle types. The BEC output providing 3V/6V through switched voltage regulator mode powers auxiliary equipment without requiring separate components. The robust current ratings reduce the likelihood of overload conditions during normal operation, contributing to reliable performance over time with minimal maintenance requirements.
Why Choose This Product
This speed controller offers a balanced combination of power handling (40A continuous forward current) and compact dimensions suitable for 1/16 and 1/18 scale applications. The adjustable two-way climbing mode adds versatility beyond basic speed control, while compatibility with common battery types and motor sizes ensures broad applicability. The specific current ratings for both forward and reverse operation provide predictable performance across different driving scenarios, from smooth surfaces to challenging terrains.
