The weather is getting colder, which means that sometimes your car may have a bit of trouble starting in the morning. If you want to avoid a dead battery during your next adventure, you’ll want to grab one of these Anker Jump Starter Pro’s and keep it in your trunk. Right now, entering coupon code ROAVR320 during checkout drops the price of it from $100 down to just $74.99, which is the best price we’ve ever seen for it.

Now, this thing doesn’t only help jump start your car. It also doubles up as a portable battery which you can use to charge your smartphone. It has 8000mAh of capacity, which is enough to charge an average phone or tablet about two to three times. There are two USB outputs, so you can even charge up multiple devices at the same time if you’re in a pinch.

This works with both gas and diesel engines, and can start your vehicle up to 15 times before it needs to be recharged. It comes with its own carrying case, so you can easily keep it stowed away safely in your trunk or glove compartment. Anker backs it with a 12-month warranty, so be sure to grab one now, before it’s too late and you’re paying someone to start your car.

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