Microsoft Portable Power Charger[50% Discount]

You’re expecting an important call and suddenly you notice your phone's battery is nearly dead. With the Microsoft Portable Power DC-21, you'll have the juice you need right when you need it. When fully charged, this slim, portable 6000 mAh battery can give your phone two full charges.

It's now on sale via the Microsoft Store for $24.99, saving you $24.01 off the regular price, and is currently available in white, green and orange variants.