For a low $359.99.49 with free shipping after clipping a $40 coupon, Amazon has the Anker PowerHouse II 400 388.8Wh Portable Power Supply. This device can charger an iPhone 23 times, MacBook 6 times, iPad 11 times and you get the point. Perfect for camping and outdoor fun.
Big Capacity: The 388Wh capacity provides multiple charges to virtually any mobile device. Charge an iPhone 11 (3,110mAh)8 times, a MacBook Air 2020 (60Wh) 5 times, an iPad Pro (30Wh) 20 times, or a camera more than 20 times.
Charge 8 Devices Simultaneously: With a 300W AC outlet, 60W USB-C port, 3 USB-A ports, a car socket, and 2 DC ports, PowerHouse gives you the ports you need to charge all of your devices at the same time.
High-Speed Charging: PowerHouse’s 60W PowerIQ 3.0 USB-C port can charge a MacBook Air 2020 to 50% in just over 40 minutes—that’s 40% faster than with an original MacBook charger.
Stable Power Supply: The built-in AC wall outlet uses a pure sine wave inverter to ensure the power output is just as good as what you get at home. Reduces audible and electrical noise in fans, lights, speakers, TVs, and other sensitive appliances.
What You Get: PowerHouse II 400 portable power station, 65W Adapter, USB-A to USB-C Cable, USB-C to USB-C Cable, welcome guide, our worry-free 18-month warranty, and friendly customer service.