The SL-C310 series are robust, completely self-contained 3-5NM+ Solar LED Lantern marine lanterns. They are designed to be maintenance-free, installed in minutes, and have a service life of over 12 years. These lanterns are available in three chassis size configurations; compact, standard and extended. They accommodate larger battery capacity and additional solar charging capability. Satellite connectivity is available as an option. The four (4) premium-grade solar modules are integrated into the assembly, and mounted to collect sunlight at all angles. The lanterns are IP68 water ingress rated with a handle incorporated into the chassis for safe lifting.