Charmast 20000mAh Power Bank — Built-in Cables, Charges 5 Devices! $36.99 CAD (38% Off)

Amazon.ca has the Charmast 20000mAh power bank with built-in cables for $36.99 CAD (list $59.99, 38% off). Prime members get free shipping; otherwise orders over $35 CAD ship free.

What makes it convenient is that the cables are part of the unit: it has built-in Micro USB, USB-C and iPhone output cables plus two standard USB-A ports, so you don't have to dig for a cord when you're out. The 20000mAh capacity is roughly 3-4 phone charges, and it can power up to 5 devices at once, with fast charging up to 22.5W for both Android and iPhone.

The front has a digital display that shows remaining power down to the percentage, so you're not guessing from four old-school LED bars. Earbuds and watches can drop into a low-current mode for a gentler charge. To top the bank itself up, USB-C gets it full in about 6 hours, or about 12 hours through the built-in USB-A cable.

With 8,327 ratings, 4.5 stars and 2K+ bought in the past month, it's one of the steadier sellers in the power bank category (currently ranked #18). The 20000mAh capacity is allowed in carry-on luggage but not in checked bags. If you want a big-capacity backup battery that doesn't require carrying a separate cable, $36.99 is a solid price.

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