Auto Battery Testers: 5 Fast Facts

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Fact #1. You don't need it until you do. You probably remember when you were a kid taking trips in your family's Oldsmobile that if they ever forgot to turn off the headlights, you could be waiting for hours for AAA to come or a good Samaritan to give you a jump. Modern cars can shut off lights automatically, but if your battery dies when it's cold out, you might be waiting on a snowy highway for a long time.
Fact #2. Get ahead of things. When you've been out of town on a business trip for a long time, there's a chance your car battery could be dead by the time you get home after sitting in the garage for so long. But you're not a mechanic, so you need help determining if that's the problem. With an auto battery tester, you can make sure it's working okay before shelling out for a new one.
Fact #3. Beginners are welcome. You don't need to be a genius to work most of these. Color-coded displays will allow you to easily read the levels. Make sure you get an option that won't get hot as you're holding it. Insulated wires will also protect you from any danger during operation.
Fact #4. They're not just for cars. If you're a fisherman planning a big trip out to the lake, you don't want to be stuck out on the water. A unit that can also work with your fishing boat is vital so you can take care of any problems before you head out on the open sea.
Fact #5. Storage is important. You can't be counted on to remember what it said the last time you used it, so a unit with the ability to store and look up past results will be welcome.