|Hydrometers are an easy, affordable tool to test your airplane battery. We carry specialized hydrometers that are ideal for your toolbox and for do-it-yourself battery testing. Try the Coleman Cable 991 Mini Battery Tester, priced at $1.39. This inexpensive battery tester is acid-resistant and is equipped with an eight-inch glass filler tube. The Mini Battery Tester is an unbeatable product at an unbeatable price. We carry two additional Coleman Cable Hydrometers, including the Premium Hydrometer. This $2.99 product is designed to measure the specific gravity of electrolytes in your battery to reveal its charge level. Priced at $3.99, the Coleman Cable Professional Hydrometer also measures the specific gravity of electrolytes and helps maintain the best battery pH levels. Our Gill FR-1 Battery Hydrometer will monitor your electrolyte levels with ease. This Gill hydrometer is offered at $24.99, and is made of the highest quality products so you can check your battery for years to come. |
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