Anker’s tiny but mighty power bank is only $20 for a few more hours
Anker has a lot of items on sale, including this MagSafe-compatible portable wireless charger. Another good product on sale is Anker’s Nano Power Bank. It’s smaller than most portable chargers and connects to the iPhone through its Lightning connector. It’s on sale right now for a scant $20, down from its usual price of $32.