If the battery shows less voltage or won't take a charge, it's time to get out the hydrometer. This device checks the proportions of sulfuric acid and water in the electrolyte, which is a precise indication of the level of charge.
Common causes of cat hair loss, or alopecia, can range from allergic reactions to hormone imbalances to an infestation of some pest or another. Although the different causes can be difficult to pinpoint, most are fairly easy to address and remedy.
In addition to the visible hair loss, the cat may display a few additional symptoms which may include: 1  Bumps on the skin, caused by allergies. 2  Skin swelling. 3  Scratching, licking and chewing. 4  Sneezing, due to inhalant allergies. 5  Melanomas on the skin. 6  Dry, flaky skin, which can be caused by allergies or a poor diet.