Google
Ordered a 30A MPPT Controller (Tracer), Bluetooth and Temperature Kit. It arrived the next day along with some sweets. They are a brilliant company. Well respected in the Camper and Motorhome communities. If you are looking for advice, they will generally reply to emails.
• Battery terminal connection lead with in-line fuse unit. • Weatherproof cap to offer protection from water ingress when the connector is not in use. • Can be left on the vehicle and simply connected when required.