The REGO 500A Combiner Box (Communication Version) is a space-efficient and reliable central hub for connecting and distributing electrical cables in a power system. Now featuring built-in Bluetooth functionality and LED indicator lights, this innovative addition allows users to conveniently monitor the status of each circuit through Bluetooth communication, CAN communication, and LED lights, providing enhanced control and peace of mind. Equipped with 2 busbars (positive and negative) and 4 cable ports, plus a ground port, this combiner box enables easy system expansion by connecting it to other combiner boxes through extended terminals. Compatible with various components such as batteries (12V, 24V, 36V, and 48V), inverters, charge controllers, battery chargers, and DC loads, it offers a versatile solution for both new and existing power systems.