Anker Portable Generator (PowerHouse 289Wh) | $240 | Amazon
You can save $120 on an Anker portable generator for Prime Day. The PowerHouse holds quite a high capacity at 289Wh. To put that in practical terms, this generator is able to charge an iPhone 12 twenty times over. You can even charger up to eight devices simultaneously between the 300W AC outlet, 60W USB-C port, three USB-A ports, car socket, and two DC ports. Versatile to meet your every charging need. Not only that. It also charges at super-high speeds, able to charge a MacBook Air 2020 to 50% in just 40 minutes. That ends up being roughly 40% faster than using the standard MacBook charger.