Be sure to check your battery water every two months. When adding water to batteries use only 'distilled' water. Fill so that metal fins are covered, but not up to neck of opening.
Bob-O has written a variety of articles dealing with the realities of being an installer of Renewable Energy systems. He brings all his own wrenching experience into his writing.
These PDF files were taken from the pages of Home Power Magazine. You will need Adobe Acrobat to open them.