If you’re looking for a portable battery, check out Aukey’s 20,000 power bank on Amazon.ca, as it’s the one-day Lightning Deal, available for 44% off at $22.39 (save $17.60) and is eligible for free shipping and Prime.
This unit can be recharged with either your Apple Lightning cable or micro USB, which is very handy, saving you a cable to carry. The AiPower feature can bring up to 2.4A of power per USB port, charging an iPad or larger iPhone easily, or any other USB device. Aukey claims it can recharge your iPhone 7 Plus 4.5 times or 9.7-inch iPad Pro 1.5 times.
The deal is 67% claimed, so act fast if you are looking for a portable power bank. Aukey makes some decent stuff and this comes with a 2-year warranty.