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Bring your electric mobility back to life with Ewheel's 48V 21A controller, designed to control and regulate the power supply of a 48V system. The real "brain" of the electronics, this controller ensures stable current management for fluid assistance, smoother acceleration and more consistent everyday behavior.
Aimed at the world of electric bicycles and, more broadly, electric mobility, this component is designed for users looking for a replacement or refurbishment solution for their electronics, with an announced rating of 21A. The word " unboltable" indicates a configuration that can be adjusted according to assembly; the exact details depend on the vehicle and installation.
To choose the right part and secure your purchase, always check that it matches your assembly (connectors, harness, vehicle version) before installation.
Scroll down the page to consult the detailed technical specifications at the bottom ↓
Warranty : 2 years
Last items in stock
Last items in stock
Product overview
The Ewheel 48V 21A controller for Urbanglide E-cross Pro S is an essential electronic component for the smooth operation of your electric mobility machine. It controls motor power by managing current distribution from the 48V battery, ensuring consistent acceleration response and stable power management. This model is indicated as "unbridgable", which can be used to adapt assistance/acceleration behavior according to configuration (in compliance with current regulations).
Benefits for the user
By replacing a faulty or unstable controller, you re-establish reliable management of motor power, with smoother control and better control of overall operation (starting, maintaining speed, response to control). This type of 48V controller also contributes to the safe operation of your battery and electronics by ensuring correct regulation of the rated current (21A), when the configuration is compliant.
Technical specifications
This controller is designed for a 48V system, with a rated current of 21A. It is described as "unridable".
Recommended uses
This controller is recommended as a replacement for an original Urbanglide E-cross Pro S controller, particularly in the event of power cuts, jerking, lack of assistance/traction or power management malfunctions. It can also be used to restore electronics (controller/electronics category) after diagnostics.
Known compatibilities
Compatibility explicitly stated: Urbanglide E-cross Pro S. No other compatibility with other brands, motors, displays, harnesses or connector standards is mentioned in the information provided.
Information not provided
Weight, dimensions, connector type, communication protocol, display/counter compatibility, motor type (brushless, Hall sensor, etc.) and any data relating to sealing or cooling are not specified in the information available.
Expert advice
Before purchasing, check the system voltage (48V) and make sure the original controller is rated for an equivalent current (21A) to avoid any electrical incompatibility. When replacing, check the condition of the harness and connectors (oxidation, bent pins, overheating) and secure the assembly to limit vibrations. Any "debriding" operation must be carried out with care and only in compliance with local regulations, as it may affect safety, component wear and vehicle conformity.