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Amazon.com: 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 : Everything Else
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Bluetooth Adapter for MC2420 MC2430 MC2440 MC2450 Charge Controllers BT-2 SRNE – Azimuth Solar Products US Website
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