If the boat moors in the hard drive on a trailer or water in a port, you can drain the battery if you have been facing the ignition key to start the engine. It always seems to happen, if you have a perfect driving weather with calm seas. A charger is very useful for moments like this, because it can hold a charge for the rounded floating batteries. With marine solar panels you can avoid these situations, because they are a practical ecologicalChoosing to keep your batteries fully charged.
The rule of thumb, marine batteries disperse on average 1% of their office on a daily basis depending on the weather. So to get a trickle charge the battery, a 100-amp battery would need a solar system that have been printed in a position from 1 amp / day.
Since a photovoltaic system is actually rated in watts, divide the figure in the output amps, simply by the power of a panel of 15 Nexttypical 5-watt panel would you give a maximum output of 0.33 amperes per day. Due to the fact that the highest rate of output when the sun is directly above, expect an average rating of 5 hours a day. In this way, would give the 5-watt panel, about 1.65 Ah (5 x 0.33).
When designing a system for your boat, use 3.5 watts per 100 Ah of battery capacity in relation to the cloudy days and the major operating systems such as bilge pump when you areWater. As for the normal maintenance of the battery, check the water level regularly!
Regardless of the size of the panel decides to go to be absolutely sure to have a minimum of 33 cells. Less than 33 cells are not sufficient to recharge the batteries. At sea in an area where cloudy days seem numerically those without clouds you might want to turn the panels thinner than normal lens because this type much better with the search for low light.
Mount thePlates in an area, allowing direct access to forget the sun, which moves the boat is in itself (especially in the harbor), which will be able to keep the plates corresponding angle for contact with the sun. Normally this would be the highest point of the boat as radar arches, or manipulated in order to navigate the trees. However, I have a series of deck equipment mounted seen, but remember that the plates of the heat, you can create enough space under the panel, so that heat candissipated.
Linking it all together with marine rated wire. The positive (+) terminal of the plate connect the positive terminal of the battery and the - terminal of the battery's negative plate in place (). Althoug courses with a maximum capacity of not more than 1% of the battery power is not a regulatory agency, certainly recommend it for a controller as a precautionary measure and give you peace of mind when the boat is unattended. It is both an in-line fuse willwhich is near the battery, this would protect against short to prevent possible fires. If the boat has both a starter and main bank, you can get a solar electric system that is dedicated to each separately wired.
