{"product_id":"jh4aj7060dzhtmt-v8-500w-4-0-brushless-dc-motor-controller-dc48v-21a-low-level-brake-e-bike-controller-for-20-inch-electric-bike","title":"JH4AJ7060DZHTMT V8-500W 4.0 Brushless DC Motor Controller, DC48V 21A Low Level Brake E-bike Controller for 20 Inch Electric Bike","description":"\u003ch3\u003eJH4AJ7060DZHTMT V8-500W 4.0 Brushless DC E-bike Controller\u003c\/h3\u003e\n\u003cp\u003eThis V8-500W 4.0 brushless controller is a professional replacement part for 20-inch electric bicycles. It adopts high-performance main chip, delivers smooth and stable power output for your 48V hub motor, bringing you a comfortable riding experience.\u003c\/p\u003e\n\u003cp\u003eBuilt-in multi-protection system to guard your riding safety: ✅ Low voltage protection: 39±1V, prevent battery over-discharge and extend battery life ✅ Over-current protection: 21±1A maximum current, avoid circuit burnout ✅ Low level brake signal, compatible with most low-level brake levers ✅ Excellent aluminum alloy housing, great heat dissipation, reduce overheat shutdown risk on long rides\u003c\/p\u003e\n\u003cp\u003eEasy plug-and-play installation. Match the wire color and connectors to finish installation quickly. It is widely used for repairing and upgrading 20-inch e-bikes, folding electric bikes and e-bike conversion kits.\u003c\/p\u003e\n\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\n\u003cul style=\"list-style-type: disc;\"\u003e\n\u003cli\u003eModel: JH4AJ7060DZHTMT\u003c\/li\u003e\n\u003cli\u003eVersion: V8-500W 4.0\u003c\/li\u003e\n\u003cli\u003eType: Brushless DC Motor Controller\u003c\/li\u003e\n\u003cli\u003eRated Voltage: DC 48V\u003c\/li\u003e\n\u003cli\u003eLow Voltage Protection: 39±1V\u003c\/li\u003e\n\u003cli\u003eBrake Type: Low level\u003c\/li\u003e\n\u003cli\u003eMaximum Current: 21±1A\u003c\/li\u003e\n\u003cli\u003eFit Size: 20 inches electric bike\u003c\/li\u003e\n\u003cli\u003eHousing: Aluminum alloy heat sink\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePackage Includes\u003c\/h4\u003e\n\u003cp\u003e1 × JH4AJ7060DZHTMT V8-500W 4.0 E-bike Controller\u003c\/p\u003e\n\u003cp\u003e⚠️ Important Notes\u003c\/p\u003e\n\u003col style=\"list-style-type: decimal;\"\u003e\n\u003cli\u003eThis controller is only for 48V battery system, please confirm your battery voltage before purchase.\u003c\/li\u003e\n\u003cli\u003eIt supports low level brake, please check your brake lever signal type.\u003c\/li\u003e\n\u003cli\u003eConfirm your motor protocol and connector style to avoid compatibility issues.\u003c\/li\u003e\n\u003cli\u003eIf you are not sure about compatibility, send us your motor and display model, we will help you check\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"NULKOMMA","offers":[{"title":"China Mainland","offer_id":67862540026131,"sku":"12000049336450804","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0888\/6163\/8931\/files\/20261028153033_349_15.png?v=1793173010","url":"https:\/\/nulkomma.com\/products\/jh4aj7060dzhtmt-v8-500w-4-0-brushless-dc-motor-controller-dc48v-21a-low-level-brake-e-bike-controller-for-20-inch-electric-bike","provider":"NULKOMMA","version":"1.0","type":"link"}