{"product_id":"flysky-noble-nb4-pcba-board","title":"Flysky Noble NB4 Plus Power PCBA board","description":"\u003c!-- SOP:v1.7 | 2026-08-27 | executor:Sidekick --\u003e\n\u003cp\u003eWhen your Flysky Noble won't power on, the culprit is often the power management circuit. The \u003cstrong\u003eFlysky Noble NB4 Plus Power PCBA Board\u003c\/strong\u003e is the OEM replacement board that handles all power supply functions for the Noble series — including battery management, power-on logic, and circuit protection. Whether you've suffered a short circuit from incorrect 18650 installation or general power circuit failure, this is the part you need to get your transmitter back in action.\u003c\/p\u003e\n\u003cp\u003eAvailable in two variants: \u003cstrong\u003eNB4\u003c\/strong\u003e (fits NB4, NB4 Pro, NB4 Lite) and \u003cstrong\u003eNoble Plus NB4+\u003c\/strong\u003e (fits NB4+). Select the correct version for your model before ordering.\u003c\/p\u003e\n\u003ch3 id=\"features\" style=\"scroll-margin-top: 100px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e✅ \u003cstrong\u003eOEM Power PCBA Replacement\u003c\/strong\u003e — Direct replacement for the Noble series power management board; restores full power-on functionality\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eFixes Power-On Failures\u003c\/strong\u003e — Resolves issues caused by short circuits, incorrect 18650 battery installation, or power circuit damage\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eNoble Series Compatible\u003c\/strong\u003e — Fits NB4, NB4 Pro, NB4 Lite (NB4 variant) and NB4+ \/ NB4 Plus (Noble Plus NB4+\/NB4 Pro Plus variant)\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eIntegrated Power Management\u003c\/strong\u003e — Handles battery charging, power regulation, and protection circuitry in one board\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003ePlug-in Connector Design\u003c\/strong\u003e — Connects via existing harness; no soldering required for standard replacement\u003c\/p\u003e\n\u003cdiv style=\"background-color: #fff8e0; padding: 10px 14px; border-left: 4px solid #FFBF00; border-radius: 4px; margin: 15px 0;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e If your transmitter is an \u003cstrong\u003eNB4 or NB4 Pro\u003c\/strong\u003e and you are installing the \u003cstrong\u003eNB4 Plus board\u003c\/strong\u003e, you must also replace the clasp with the NB4 Plus version. Please confirm your model before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 id=\"reviews\" style=\"scroll-margin-top: 100px;\"\u003eReview \u0026amp; Installation Video\u003c\/h3\u003e\n\u003cp style=\"text-align: center; margin: 15px 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/6Q29LsDHAd4?start=382\" title=\"Flysky Noble NB4 Plus Power PCBA Board replacement installation tutorial | SoarSky\" style=\"max-width: 500px; width: 100%; aspect-ratio: 16\/9; border-radius: 8px; border: 0;\" loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center; color: #666; font-size: 13px; margin-top: -10px;\"\u003e\u003cem\u003eReal-world review of the Noble Power PCBA Board — available at SoarSky\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f5f8fc; padding: 10px 14px; border-left: 4px solid #1A2B3C; border-radius: 4px; margin: 15px 0;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003e📘 Installation Tutorial:\u003c\/strong\u003e The step-by-step replacement guide is available in the \u003cstrong\u003evideo description\u003c\/strong\u003e below the YouTube video above. Please open the video on YouTube and expand the description section for full installation instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 id=\"specs\" style=\"scroll-margin-top: 100px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #1a2b3c; color: #ffffff; display: flex; align-items: center; padding: 10px 14px; border-radius: 6px 6px 0 0; font-size: 14px; font-weight: 600;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eSpecification\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eDetail\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eFunction\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003ePower management PCBA (charging, regulation, protection)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eCompatibility\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eFlysky Noble NB4 \/ NB4 Pro \/ NB4 Lite \/ NB4+ (NB4 Plus)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eVariants\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003eNB4 version \/ Noble Plus NB4+ version\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #f5f8fc; border-bottom: 1px solid #e8e8e8; font-size: 14px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eInstallation\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003ePlug-in connector; no soldering required\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; padding: 10px 14px; background: #ffffff; border-bottom: 1px solid #e8e8e8; font-size: 14px; border-radius: 0 0 6px 6px;\"\u003e\n\u003cspan style=\"flex: 1;\"\u003eQuantity\u003c\/span\u003e\u003cspan style=\"flex: 1; text-align: right;\"\u003e1 × Power PCBA Board\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; margin-top: 24px;\"\u003e\u003cstrong\u003eNeed to repair your Noble transmitter?\u003c\/strong\u003e\u003cbr\u003eSelect your model variant and add to cart — fast shipping from SoarSky.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Parts \u0026amp; Collections:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/soarskyrc.com\/products\/nb4-trigger?variant=48740234494237\" title=\"FLYSKY Noble NB4\/NB4+\/Pro\/Pro+ Throttle\/Brake Trigger\"\u003eFLYSKY Noble NB4\/NB4+\/Pro\/Pro+ Throttle\/Brake Trigger\u003c\/a\u003e — Available at SoarSky\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/soarskyrc.com\/collections\/flysky-noble-radio-parts\" title=\"Flysky Noble Radio Parts\"\u003eFlysky Noble Radio Parts\u003c\/a\u003e — All Noble transmitter parts and repair components\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/soarskyrc.com\/collections\/flysky-nb4-noble-series-parts-accessories\" title=\"Flysky NB4 \/ Noble Series Parts \u0026amp; Accessories\"\u003eFlysky NB4 \/ Noble Series Parts \u0026amp; Accessories\u003c\/a\u003e — Complete Noble series parts lineup\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SoarSky","offers":[{"title":"NB4","offer_id":49159685046557,"sku":"","price":22.59,"currency_code":"USD","in_stock":false},{"title":"Noble Plus NB4+\/(NB4 Pro+)","offer_id":49159685013789,"sku":"202502SID316","price":24.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/4013\/1357\/files\/NB4PowerPCBA-1.jpg?v=1710257954","url":"https:\/\/soarskyrc.com\/en-de\/products\/flysky-noble-nb4-pcba-board","provider":"SoarSky","version":"1.0","type":"link"}