SAVE 11%: Make sure your phone never runs out of juice with Apple's MagSafe Battery Pack(opens in a new tab) . As of March 18, it's on sale at Amazon for $87.95, 11% less than its regular price of $99.

We've all borne the consequences of thinking we plugged in our phones overnight when in fact we just fell into bed and passed out. The missed alarms, the dead phone when you really need to use Google Maps... it's something of a crisis.

For those occasions, it's probably a good idea to have a portable charger on hand, particularly if you're out and about for big chunks of the day. Enter Apple's MagSafe Battery Pack(opens in a new tab) , which you can place on top of (or under) your phone for a quick boost.

Its magnets keep it aligned once it's on, so you don't have to worry about accidentally nudging it out of place and waiting an hour to find your phone hasn't charged at all (definitely not speaking from experience here). And if you actually like cables, you can plug one in and charge that way too.

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