hqst 100 watt 12 volt polycrystalline solar panel with solar connectors high efficiency module pv power for battery charging boat, caravan, rv and any other off grid applications hqst the panel is designed to withstand heavy snow and wind loads. the back of the panel features a waterproof junction box and solar connect leads for easy plug and play use! use this panel alone or add additional panels to create a custom solar energy system.