49 Last-Minute Amazon Prime Day Deals You Can Still Shop Now

iWALK Small Portable Charger Power Bank ($28, originally $40)

If you (like us) are guilty of spending endless hours on your phone — perhaps even more during Prime Day — then you're all too familiar with the struggle of preserving your phone's battery when you're away from a charger. Fortunately, you don't have to worry about switching your cell onto low-battery mode with this cool power bank in tow. The compact tool can provide a full charge for your phone even when you're away from home.