Pick Up Ur Needs Monocrystalline Solar Panel is a vital component to any Solar Power (PV) system. Each solar panel includes standard solar connectors that extend from a junction box affixed to the back of each panel. Standard solar connectors to be used with solar cables - allows a quick and simple connection. Whether you take it camping in the mountains or for a trip to the beach, this off-grid panel can be a great start or addition to any solar off-grid system! Environmental protection and energy saving, built-in blocking diode to prevent reverse discharge, not only prolongs battery life but also prevents battery from dead.