When connecting a solar panel to a 12V battery, you should use a solar charge controller. The solar charge controller prevents overcharging and will recharge the battery without damaging it. There are differe.
[pdf] Most solar installations require an electrical and/or building permit. Determine if your utility requires an interconnection agreement to connect your solar system to their grid. Contact them early in the process. Decide between a DIY or professional install.
[pdf] The best angle for solar panels usually matches your latitude. Flatter tilts work better in summer, steeper tilts in winter. Adjustable mounts give more output but cost more. Roof pitch, shading, and budget also affect the right angle. Fixed setups near your latitude are simple and efficient.
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