The solar panel TX14152 is ideal for charging the battery in winter storage. With the mast upright, shackle the upper D-eyes to two halyards, e.g. of jib or mainsail and align to the south . Fasten the lower two D-eyes e.g. railing, bow or stern pulpit with ropes. Apply tension to the halyards - done! 17.0 Wp power, dimensions: 750 x 250 x 5 mm. Sufficient for a battery capacity of up to 400 Ah (12 V), 4 towing eyes on the strap, breaking load strap: 500 kg, connection cable 10m, self-cleaning module surface. Made in Germany by SunWare.