{"product_id":"eg4-rs232-firmware-update-cable-ll","title":"EG4 RS232 Firmware Update Cable - LL","description":"\u003cp\u003eThe \u003cstrong\u003eEG4 RS232 Firmware Update Cable - LL\u003c\/strong\u003e is a PV cable and connector component from EG4 Electronics, stocked by Urban Supply for solar and storage builds.\u003c\/p\u003e\u003ch2\u003eWhy It Matters\u003c\/h2\u003e\u003cp\u003eFirmware is how these devices get bug fixes and new battery profiles, and most of them will not take an update over the air. The manufacturer's own service cable is the supported path — a generic USB-to-serial adapter with the wrong chipset is the usual reason an update stops halfway.\u003c\/p\u003e\u003ch2\u003eFitting It To Your System\u003c\/h2\u003e\u003cp\u003eEG4 equipment uses closed-loop communication between inverter and battery over RS485 or CAN, which is what gives the inverter true state of charge instead of a voltage estimate. Accessories are keyed to specific models, so check the model number before ordering.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eCompatibility: EG4 6500EX, 6000EX, 3000EHV\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eUrban Supply is an authorized EG4 Electronics dealer. If you are not certain this is the correct part for your build, send us the run length and the equipment on both ends and we will confirm the gauge before you order.\u003c\/p\u003e","brand":"EG4 Electronics","offers":[{"title":"Default Title","offer_id":48222435147941,"sku":"1511221","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0454\/1916\/7909\/files\/6cba3c21-1158-4a51-aff4-2fa652085b7f__81735.1743622769_25923dec-c395-4f08-9d9b-a49aa834c2be.jpg?v=1788729607","url":"https:\/\/www.urbansupplyinc.com\/products\/eg4-rs232-firmware-update-cable-ll","provider":"Urban Supply Incorporated","version":"1.0","type":"link"}