When your Raymarine wireless wind indicator at the top of the mast stops working, as did ours, this is the correct Raymarine 2-up Replacement battery and seal kit that you need. Just click on the yellow “shop now” photo above to go right there…
Patrick made a great video on how to replace it which can be found in 2 parts:
Part 1 Anemometer Disassembly and Lubrication
