A 2 metre cable that connects your Roamer battery to a Victron GX device or inverter. One end is a right angle M12 5 pin male connector, the other is a male RJ45 connector. Add this to your cart if you want to use your SMART4 battery with a Victron Cerbo GX, and monitor your roamer battery on the app, Touch GX screen or VRM online portal. Note, this is only for SMART4 batteries, and only for connection to Victron products. Includes free Roamercare setup call to help you configure your Victron system to work with your Roamer SMART4 battery.