The Solar Charger 50W is a foldable solar panel providing high-performance crystalline solar cells. It measures 60 x 38 cm folded and includes a handy bag for easy transport and safe storage. This Solar Charger from torqeedo offers watertight plug-&-play connection for charging Travel 503/1003 models. It is only compatible with batteries parts no. 1146-00 and 1147-00, however, it can be used for other 12 V devices.