Renogy BT-2 Bluetooth Module RJ45 Communication Port Wirelessly Monitor Real-time Insight Precise Control, Compatible Solar Charge Controllers, Battery Charger, Inverter, BT-2 RS485 (Amazon Affiliate)
US: https://amzn.to/3tW29Vg
Renogy 40A 12V/24V Auto MPPT Solar Charge Controller with LCD Backlit Display w/ Temp Sensor Fit for Gel Sealed Flooded and Lithium Battery, Rover Elite 40A (Amazon Affiliate)
US: https://amzn.to/3FDzve4
Solar Charge Converter Upgrade to Renogy Rover Elite in Escape Hatch Off Grid: https://youtu.be/raAF0CoI5Ck