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This high-performance Three Mode Brushless DC Controller Kit with Throttle is built for advanced e-bike and electric vehicle applications, supporting a wide voltage range from 36V to 84V with 2500W power output. It features Sine Wave, Square Wave, and Sensorless modes for smooth operation, strong torque response, and reliable riding performance. With a 45A high-current design and compatibility with BLDC, PMSM, hub motors, and mid-drive motors, this controller kit ensures stable power delivery and efficient control. The Sensorless mode enables maximum-speed operation and gear shifting without Hall sensors, making it an ideal choice for e-bike upgrades, conversions, and DIY electric vehicle builds.

Current

45A

Voltage

36V-48V-60V-72V- 84V

Power

2500W

Three modes

Sine wave mode (FOC), Square wave mode, Hallless mode

Protection: Overcurrent

Overcurrent, overtemperature, stall, undervoltage protection

Customization

Supported

Get In Touch

Line Description

1. Motor phase wire
2.Battery power
3. Electric door lock (key switch)
4. One-line communication
5. Special for differential motor
6.PAS
7. Phase line speed measurement
8. Hall speed test
9. Hall sensor
10. Anti-theft signal
11.Cruising
12. Throttle
13. Low level braking
14. Anti-theft power supply
15. Reversal
16. Three-speed shifting
17. High level braking
18. Intelligent learning line

Main Specification

	36V-48V-60V-72V-84V
Current	45A
Power	2500W
Three modes	Sine wave mode (FOC), Square wave mode, Hallless mode
Protection	Overcurrent, overtemperature, stall, undervoltage protection
Motor phase angle	60°/120° Hall Sensors (Auto-Identify)
Protocol Type	UART2
Material	Aluminium alloy
Weight	1359 G
Maximum size	19510760mm

We provide PDF documents for installation instructions for various products.

You can check out our installation and maintenance videos

Service

Precision Engineered for Your Vision

Customer-Focused Partnership

At JRAHK, we build trust through adaptive innovation and dedicated support.
From custom ODM/OEM solutions to robust warranty coverage and agile technical service,
we are committed to powering your products and accelerating your success at every stage.

Warranty Service

We ensure reliable performance and long-term durability. Every controller undergoes strict testing and certification, and is backed by a responsive warranty—so you can focus on growing your business with confidence.

ODM Service

We specialize in fully customizable electric bike scooters, dirt bikes, scooters, all-terrain vehicles, three-wheelers, four-wheelers controllers tailored to your specifications. With experienced R&D and design teams, we deliver intelligent, high-compatibility solutions built for your brand and market.

Customer Support

Our technical support team provides end-to-end assistance, from pre-sales consultation to after-sales service. With fast response times and expert guidance, we’re here to help you succeed at every stage.

JRAHK Intelligent Controller Catalog

Learn how to select the ideal controller for your motor type, configure voltage, current, and power, and explore advanced tuning options.

The catalog in this guide is designed to help you quickly find the optimal controller solution for your specific application.

Share Your Requirements

Our expert team is ready to deliver customized technical solutions to drive your product innovation and business growth.

How do I know if the controller is compatible with my vehicle/motor?

Our controllers feature wide voltage support (36-84V) and auto-identification for Hall sensors. Provide your motor specs or vehicle model, and we will help confirm compatibility.

Is there a minimum order quantity?

We accommodate both small trial orders and large batches—MOQ and pricing vary based on configuration and order size.

What is the lead time and how is shipping handled?

For retail orders, we typically ship within 1-3 business days via express carriers (e.g., DHL, FedEx). For wholesale orders, production takes 15-30 days (depending on quantity), with shipping options including air freight and sea freight. All shipments include tracking details, and we support FOB, CIF, DDP based on your needs.

What payment methods do you accept?

We support T/T, PayPal, Secure and flexible payment options are available for both retail and bulk orders.

What components can be customized? How do I start a custom order?

We offer customization services for key components, such as controller voltage, current, power, functions, and connectors.
Or simply share your requirements (such as a design sketch or functional requirements) and our team will provide a customized solution.

Looking for a Trusted Partner？

We offer flexible wholesale solutions and customised ODM services tailored to your brand. Partner with us to bring innovative and reliable mobility solutions to your market.

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