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Will an interlock device drain my car's battery?

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Schedule Now

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Will an interlock device drain my car's battery?

POSTED ON: 06/09/2021

You're getting an ignition interlock device installed in your vehicle but you have a few questions first. One thing you're concerned about is whether an interlock device will drain your car battery.

Ignition interlocks work with, not against, your car’s battery

Many vehicle accessories, such as your clock, radio, the internal memory of your engine computers, or your cellphone charger, draw a minimal amount of electricity. Leaving your headlights on overnight or not closing your trunk completely will cause your car’s battery to drain much more than these electrical accessories. When you have an ignition interlock device installed into your electrical system, the device will draw a tiny amount of power from your car’s battery but it is not enough to drain your car battery totally. If your vehicle’s battery does die, it is typically because of an old battery or a defective alternator which are not due to the interlock device. If this occurs, you may need to visit a mechanic.

Ignition interlocks draw less than ¼ of an amp while the vehicle is not operating and ½ of an amp when it is preparing for a breath test. This is a very minimal amount compared to even your car’s stereo or clock.

Use your vehicle on a consistent basis

Your car may not start if you do not use it for a while, too. Your accessories are constantly using your car’s battery, so if you are not keeping the battery charged by starting your car regularly, your battery may die. Make sure you are using your vehicle to maintain its battery power.

Checking your current battery voltage with the ignition interlock device

With Smart Start of Alabama, clients have an easy way to check their car battery’s current voltage right on their ignition interlock device screen. To check your car battery’s voltage, press the pound (#) sign then the number 2 on your device’s keypad. If your battery is below 12 volts you may want to charge or change your car battery. Our team is always standing by to help if you use a Smart Start ignition interlock. If you ever have any questions about your ignition interlock, feel free to call us at 1-866-447-8686.

Need an ignition interlock?

As the best ignition interlock provider, you are in good hands at Smart Start of Alabama. With friendly technicians providing the best care to you and your vehicle and a 24/7/365 customer care center for any questions during your program, fulfilling your ignition interlock requirement will be a seamless and easy process. Schedule your installation appointment today by calling 1-866-447-8686 or save 20% by filling out our short online contact form.

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