The Jinghui JH4AJ5525DZBL Brushless Motor Controller is a high-performance, dedicated speed controller engineered for 48V electric bicycle systems. Designed as a reliable replacement and upgrade part, this 21A controller delivers stable power output, smooth acceleration, and precise speed regulation for enhanced riding performance.
Built with advanced brushless DC technology, it features low power consumption, low noise, and efficient heat dissipation to ensure long‑term durability. The controller includes full intelligent safety protection: over‑current, over‑temperature, under‑voltage, phase loss, and short‑circuit protection, effectively safeguarding the motor, battery, and electrical system.
Specifically compatible with DEEPWER Fatbike DP‑A1 and similar fat tire electric bikes, this unit offers perfect matching, easy installation, and stable signal connection. Rugged, compact, and highly reliable, the Jinghui JH4AJ5525DZBL is the ideal bicycle accessory to maintain or upgrade your e‑bike’s control system.
