Re: item 3 bt hub. when is the rs485 hub needed? don't the 48v x 50ah batteries have multiple ports for up and link to daisy chain?

Some components (like the 12/100 smart Lithium batteries) can be daisy chained and use the BT-2 Bluetooth transmitter, the hub is for components without this feature

Will this work with another brand controller? I need a communications hub for another system that actually has several Rs485 devices.

I bought another charge controller but a different brand and it would not work with it.

So this is actually not used for just multiple battery montitoring say like 4 of the 48V x 50Ah batteries?

I doubt it. But, if you have a Renogy controller that supports the 48 volt it should work. It’s just going to report over all voltage and amps of the 48 volt system not each individual battery.

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Renogy Communication Hub RJ45 for Multiple Renogy Devices via BT-2 Module

Product ID: 215338180

Details

Brand
Renogy
Color
Bluetooth Hub
Compatible Devices
Smartphones
Hardware Interface
Bluetooth
Special Feature
LED Indication

💡LED protocol status indicators

📶Bluetooth wireless monitoring

🔗RJ45 multi-device connectivity

Description

🔌 Power your solar ecosystem smarter, not harder.

PLUG PLAY SIMPLICITY - Easy installation with LED indicators that instantly show your active communication protocol, eliminating guesswork.
SMARTPHONE CONTROL HUB - Monitor and control your entire solar system remotely via the intuitive Renogy DC Home app—anytime, anywhere.
SOLAR POWERED EFFICIENCY - Powered by your solar setup, this hub integrates sustainably without adding extra power demands.
SEAMLESS MULTI DEVICE SYNC - Connect multiple Renogy devices effortlessly through a single RJ45 port and BT-2 module for streamlined system management.
DUAL PROTOCOL COMPATIBILITY - Switch between RS485 and CAN communication protocols to maximize device compatibility and future-proof your setup.

The Renogy Communication Hub RJ45 consolidates multiple Renogy devices into a single Bluetooth-enabled monitoring system. Supporting both RS485 and CAN protocols, it offers flexible connectivity options with clear LED indicators and seamless integration via the Renogy DC Home app. Designed for solar-powered setups, this compact hub simplifies device management for professionals seeking efficient, scalable energy solutions.

Specifications

ASIN	B08C7DC42D
Additional Features	LED Indication, Plug and Play
Best Sellers Rank	#6,082 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #4 in Renewable Energy Controllers
Brand	Renogy
Color	Bluetooth Hub
Compatible Devices	Smartphones
Customer Reviews	4.0 4.0 out of 5 stars (69)
Enclosure Material	Plastic
Global Trade Identification Number	00810009714507
Hardware Interface	Bluetooth
Item Dimensions L x W x H	6.29"L x 1.89"W x 0.91"H
Item Highlight	RJ45 ports, RS485/CAN protocol, wireless monitoring via DC Home App,82ft range,RJ45 powered, for Batteries/MPPT/Inverters
Item Type Name	with RJ45 Communication Port Wirelessly Monitor Multiple Devices
Item Weight	125 g
Manufacturer	Renogy
Mfr Part Number	Bluetooth Hub
Model Number	Bluetooth Hub
Number of Items	1
UPC	810009714507
Warranty Description	1-year material and workmanship warranty

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