Bac 4000 Controller Distributor
Overview
Supplier sourcing insights & recommendations


The market for ASI BAC 4000 controllers is experiencing significant growth, driven by the surging demand for high-performance e-bike and electric motorcycle modifications, particularly for the Sur-Ron and Talaria platforms RedditReddit.
Market Trends & Insights
* Performance Benchmark: The BAC 4000 is widely considered the "sweet spot" in the upgrade market, offering peak power outputs of 20+ kW and high efficiency (up to 99%) through Field-Oriented Control (FOC) technology E-RacingAcceleratedsystems.
* Growing Ecosystem: Demand is supported by a robust secondary market of "tuner" companies like EBMX and E-Racing, who provide the proprietary tunes and software apps necessary for non-technical users to access the controller's full potential EbmxApple.
* Consumer Shift: While the BAC 4000 remains a top choice, emerging competitors like Torp and KO Moto are gaining traction by offering more user-friendly, "plug-and-play" solutions that avoid the complexity of manual tuning YoutubeYoutube.
Supplier Overview
The supplier landscape includes established industrial controller manufacturers and specialized electric vehicle component distributors. I have identified several key suppliers categorized by their manufacturing capabilities and regional presence.
The provided files include a comprehensive list of distributors and manufacturers, along with their certifications, annual revenue, and specific product offerings.
Here are the suppliers and market insights for the BAC 4000 controller. You can continue with:
Bac 4000 Controller Distributor Manufacturer
Verified suppliers · 2 lists

Tang Cheng International Trade Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection according to client's requirement

Fujian Kaiyue Electronics Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
17 years of experience in industry

Changzhou Hoprio E-Commerce Co., Ltd.
Has served Fortune 500 clients
100% quality control across all production lines
Annual export revenue: 6 million

Hefei Huanxin Technology Development Co., Ltd.
Top 10% for inquiries in Motor Controllers - United States of America market
Annual export revenue: 15.2 million
21 years of experience in exporting

Taizhou Sia Science And Technology Co., Ltd.
Top 10% for buyers in Motor Controllers - United States of America market
Annual export revenue: 8.7 million
Main category includes Motor Controller

Zhejiang Siaecosys Technology Co., Ltd.
Top 10% for buyers in Motor Controllers
Annual export revenue: 3 million
Supports shipping to FBA warehouses

Hefei Changxin Forklift Parts Co., Ltd.
Top 20% for inquiries in Motor Controllers
Annual export revenue: 1.4 million
Provides e-commerce design services

TOMMY CNC TECHNOLOGY CO., LIMITED
100% quality control across all production lines
Inspection of all products

Golden Motor Technology Co., Ltd.
Top 20% for inquiries in Motor Controllers
Inspection of all products
Provides e-commerce design services

Shenzhen Working Technology Co.,Ltd.
100% quality control across all production lines
16 years of experience in exporting
Annual export revenue: 3.1 million

WUXI TIANKANG Electrical Technology Co.,LTD
Top 10% for inquiries in Motor Controllers
100% quality control across all production lines
Provides e-commerce design services

Shenzhen Lonwill Technology Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Changzhou Hejie Motors Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Ningbo Emp Dc Motor Dynamics Co., Ltd.
20 years of experience in industry
100% quality control across all production lines
Provides e-commerce design services

Chongqing Yurui Agricultural Machinery Sales Co., Ltd.
Provides e-commerce design services
Inspection of all products
Dedicated R&D team with 145 engineers

Henan 4.0 Automation Equipment Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Fuzhou Fouwell Technology Co., Ltd.
Well‑matched supplier in PLC, PAC, & Dedicated Controllers

Wuxi Dingkuo Technology Co., Ltd
Top 10% for orders in Motor Controllers - United States of America market
Main category includes Brushless DC Controller
Inspection according to client's requirement

Anhui Forerunner Electronic Technology Co., Ltd.
Top 10% for orders in Motor Controllers - United States of America market
22 years of experience in exporting
100% quality control across all production lines

Changzhou Holry Electric Technology Co., Ltd.
100% quality control across all production lines
Inspection of all products
After-sales service includes equipment-installation and maintenance, technical advice, etc

Chongqing YOKDEN E&M Co.,Ltd
Comply with ISO standards
100% quality control across all production lines
15 years of experience in exporting

Taizhou Sia Science And Technology Co., Ltd.
Top 10% for buyers in Motor Controllers
Main category includes Motor Controller
Annual export revenue: 8.7 million

Sumtor (wuxi) Electric Co., Ltd.
100% quality control across all production lines
Provides e-commerce design services
Inspection of all products

Zhejiang Shuntong Electric Co., Ltd.
100% quality control across all production lines
16 years of experience in exporting
16 years of experience in industry
Related Searches
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Sources & References
24 sources cited · Verified industry data & reports

BAC4000 Electric Motor Controller
Accelerated Systems Inc.
The BAC4000 is an mid level high-power density compact Motor Controller (inverter). These units are optimized for the latest in Lithium Ion battery technology ...

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The Industrial Robot Controller Market worth USD 1.3 billion in 2026 is growing at a CAGR of 9.1% to reach USD 3.1 billion by 2036.

Global Brushless DC Motor Controller Market Forecast (2026
The Brushless DC Motor Controller market is poised for significant growth, with an impressive projected CAGR of 9.6% from 2026 to 2033.

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The Global Intelligent Motor Controller Market was raised from USD 1.9 billion in 2024 to USD 2.8 billion by 2030, growing at a CAGR of 6.8% ...

Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT ...
Endless Sphere DIY EV Forum
463A Max Phase 70% Battery Current limit. It has outstanding performance on paper. Battery current limit is 0-100% of the user defined System power rating. ...

ASI Bac4000 / ASI Bac8000 : r/Surron
Reddit · r/Surron
This often causes the controller to enter a protection mode, limiting power or preventing the bike from starting to prevent damage.






































































