{"product_id":"nulkomma-jh4aj6057dzxw-brushless-motor-controller-48v-20a-lithium-ion-sine-wave-e-bike-speed-controller-suitable-for-electric-bicycles","title":"Nulkomma  JH4AJ6057DZXW Brushless Motor Controller 48V 20A Lithium-Ion Sine Wave E-Bike Speed Controller Suitable for Electric Bicycles","description":"\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003eThe \u003cstrong\u003eJH4AJ6057DZXW Brushless Motor Controller\u003c\/strong\u003e is a high-performance sine wave speed controller specially designed for 48V electric bicycle systems. With a rated current of 20A and optimized for lithium‑ion battery use, it provides smooth, quiet, and efficient power delivery for a comfortable riding experience.\u003c\/div\u003e\n\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003eAdopting advanced \u003cstrong\u003esine wave control technology\u003c\/strong\u003e, this controller ensures low noise, minimal vibration, stable torque output, and improved energy efficiency, effectively extending both motor lifespan and riding range. It offers precise speed regulation, sensitive throttle response, and smooth acceleration, making it ideal for daily commuting and leisure riding.\u003c\/div\u003e\n\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003eBuilt‑in comprehensive safety protections include overcurrent, undervoltage, short‑circuit, and overheating protection, effectively safeguarding the motor, battery, and electrical system. Its stable circuit design and reliable structure ensure consistent performance under various riding conditions.\u003c\/div\u003e\n\u003cdiv class=\"auto-hide-last-sibling-br paragraph-pP9ZLC paragraph-element br-paragraph-space\"\u003eSpecially engineered for 48V lithium‑ion electric bicycles, this JH4AJ6057DZXW controller is an excellent replacement or upgrade part, combining stable performance, quiet operation, and long‑term durability for your electric bike.\u003c\/div\u003e","brand":"NULKOMMA","offers":[{"title":"Default Title","offer_id":54041439273235,"sku":null,"price":136.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/6163\/8931\/files\/1_ec7ba4d9-3b11-4b0f-adfa-668ad972854c.png?v=1775978056","url":"https:\/\/nulkomma.com\/products\/nulkomma-jh4aj6057dzxw-brushless-motor-controller-48v-20a-lithium-ion-sine-wave-e-bike-speed-controller-suitable-for-electric-bicycles","provider":"NULKOMMA","version":"1.0","type":"link"}