Renogy BT-1 Bluetooth Module for Solar Charge Controller W/ RS232 Port OFF-Grid
Renogy N-Type 100W 175W 200W 320W 640W Solar Panel 12V Mono Off Grid RV Caravan. Renogy BT-1 Bluetooth Module (New Version). Renogy BT-1 Bluetooth Module. Communication Protocol: RS232 Port Type: RJ12.