It doesn’t have to be a crisis to leave home while your phone’s battery is almost dead. With the 16750mAh Portable Power Bank from RAVPower, you can charge it on-the-go and recharge other devices with plenty of juice leftover. Although it is normally sold for $36, when you enter 8YBSJ925 promo code during checkout, Amazon offers nearly 45% off its regular price. This is one of the best prices ever reached, although the code is valid only on the black model.

This power bank was designed to be much smaller and lighter than previous RAVPower portable chargers, and with its battery capacity of 16750mAh, it is able to recharge devices like the iPhone 8 more than five times before it needs to be recharged. Its 2A input provides a fast way to refuel while its two USB ports provide a total of 4.5A of power. There is also a LED light for the battery indicator so you never have to wonder about its charge, while advanced safety features protect against overload and short-circuit.

You’ll need a way to keep this portable charger powered, and while at home a USB wall charger is fine, adding a car charger to your order will allow you to power it while you’re on the road as well. While the power bank of RAVPower is one of the most important items you should pack for each trip, it is not the only one.

On orders totaling $25 or more, or with an Amazon Prime membership, shipping at Amazon is free. Consider signing up for a free 30-day trial to see how it is, score free two-day shipping, and more if you’re not already a member.

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